How-to Guides                                                   

Case fans play a critical role in keeping your PC running cool and stable. When they malfunction—whether it’s strange noises, erratic spinning, or not spinning at all—it can lead to overheating, performance drops, or even hardware failure.

In this guide, we’ll walk you through common case fan problems and how to fix them step by step, ensuring your system runs smoothly and quietly.

If the fan still doesn’t spin, the fan itself may be defective and should be replaced.

2. The Fan Is Noisy or Makes Strange Sounds

3. The Fan’s RGB Lighting Isn’t Working

Keep in mind that fans often spin slowly at low system temperatures—that’s completely normal for smart fan profiles.

If the fan still spins abnormally, the fan itself may be defective and should be replaced.

A malfunctioning case fan doesn’t just make noise—it can compromise your whole system’s cooling efficiency. Thankfully, most fan issues are easy to identify and fix with a little inspection and testing.

To prevent problems down the line, invest in quality fans, clean them regularly, and keep your wiring neat and secure.

Looking for reliable, high-performance case fans? Explore the full lineup of darkFlash fans—built for silent operation, vibrant RGB lighting, and long-lasting durability.





Case fans play a critical role in keeping your PC running cool and stable. When they malfunction—whether it’s strange noises, erratic spinning, or not spinning at all—it can lead to overheating, performance drops, or even hardware failure.



In this guide, we’ll walk you through common case fan problems and how to fix them step by step, ensuring your system runs smoothly and quietly.







Common Reasons for PC fans not spinning





Dust buildup: Over time, dust and debris can accumulate on fan blades and bearings, leading to reduced performance or complete failure.



Power issues: Loose cables, faulty connections, or inadequate power supply can prevent fans from operating properly.



Physical Interference: Inadequate cable management might cause the fan blades hitting the cables and lead to slow downs or immobilization.



Faulty motors: Fan motors can degrade with use, eventually failing to spin at all.



BIOS misconfiguration: Incorrect settings in the BIOS may disable the fan or restrict its speed.



Software issues: Malfunctions in fan control software can cause the fan to behave erratically or stop working.



Identifying and Resolving Fan Issues

1. The Fan Isn’t Spinning





⚠️ Common Causes:





Insufficient power due to daisy-chain wiring



Improper cable splicing or loose connections



Malfunctioning fan hub or controller



Fan blades hitting loose cables

👉 How to Fix:





Power down your PC and unplug it from the wall



Open your case and check the fan connections—ensure the fan cable is securely plugged into the correct motherboard header or fan hub.



Try connecting the 4-pin fan directly to another motherboard header to isolate the issue.



You can also test the fan individually by unplugging it from the hub or series connection and powering it separately.

If the fan still doesn’t spin, the fan itself may be defective and should be replaced.



2. The Fan Is Noisy or Makes Strange Sounds





⚠️ Common Causes:





Dust buildup in the bearings or blades



Fan blades hitting loose cables



Vibration-induced resonance between the fan and case

👉 How to Fix:





Turn off your PC and inspect the fan closely.



Clean the blades and bearings using compressed air, a soft brush or alcohol wipes to remove any dust.



Ensure no cables are interfering with the blades.



Check for any physical damage like bent blades or worn mounts.



Test the fan in another system or on an open bench to rule out case vibration as the cause.



If the fan still makes strange noises, the fan itself may be defective and should be replaced



3. The Fan’s RGB Lighting Isn’t Working





⚠️ Common Causes:





Outdated or missing RGB firmware/software



Inadequate power supply



Improper RGB header connection

👉 How to Fix:





Connect the fan’s RGB (3-pin or proprietary) cable to a different RGB header on your motherboard or controller.



Ensure your motherboard lighting software is installed and updated (e.g., ASUS Aura Sync, MSI Center, GIGABYTE RGB Fusion).



If the issue persists, consider using a powered RGB hub to supply sufficient power to the lighting.



As a last check, test the fan’s lighting functionality outside your current build to confirm if it’s a hardware issue.



4. The Fan Spins Too Slowly





⚠️ Common Causes:





Fan speed settings configured to low via BIOS or software



Fan blades hitting loose cables causing slow downs



Internal temperature not high enough to trigger higher fan speed

👉 How to Fix:





Check if the cable is interfering with the fan blades.



Boot into BIOS or open your motherboard’s fan control software.



Adjust the fan curve to increase speeds earlier or set a custom performance profile.

Keep in mind that fans often spin slowly at low system temperatures—that’s completely normal for smart fan profiles.

If the fan still spins abnormally, the fan itself may be defective and should be replaced.



Final Thoughts

A malfunctioning case fan doesn’t just make noise—it can compromise your whole system’s cooling efficiency. Thankfully, most fan issues are easy to identify and fix with a little inspection and testing.





(Gauss G24 ARGB Fan)



To prevent problems down the line, invest in quality fans, clean them regularly, and keep your wiring neat and secure.

Looking for reliable, high-performance case fans? Explore the full lineup of darkFlash fans—built for silent operation, vibrant RGB lighting, and long-lasting durability.





(INF34 ARGB Cooling Fan)

The go-to guide for identifying and resolving common fan issues with ease

How to Troubleshoot PC Case Fan Issues Like a Pro

When it comes to building a PC, planning is everything. Whether you're a first-time builder or a seasoned enthusiast, visualizing your setup ahead of time helps avoid compatibility issues and makes the whole process smoother and more cost-effective.

That’s why we are excited to introduce you to 

 — an incredibly useful online tool that lets you create and preview your custom PC builds in real time. Even better? Many of our darkFlash cases and cooling products are available on the platform, so you can see exactly how your setup will look before you make a purchase!

 is a browser-based PC builder that focuses on 

. You can select your components — from the CPU and GPU to the case, fans, and power supply — and the site will automatically check compatibility between parts. 

 apart is its stunning 3D rendering: it allows you to see how everything fits together, down to cable clearance, airflow direction, and lighting layout.

Pick your Case, CPU, motherboard, GPU, RAM, and other components step by step. If you already have some parts in mind, you can load them directly.

3. Select Your Case (Example: darkFlash DY470)

 — this is required before adding any components. You can browse the list 

 in the search bar to begin building with that case.

💡 Note: Make sure to choose products labeled with “3D” to enable 3D preview features.

After clicking on a component, you’ll see its 

 — making it easy to learn more or buy directly from online stores.

Once you’ve selected all your components, you can preview the full build in 3D. Use your mouse to rotate and view from different angles. You can also use the controls below the preview window to adjust RGB lighting effects in real time.

Happy with your setup? Save it for later or share it with friends or on forums. It’s a great way to get feedback or make sure everything’s ready before you hit “buy.”

Before You Buy, Try It Out on Buildcores!

 before making any final purchases. It’s the perfect way to visualize your setup and make sure everything works — and looks — just the way you want it.

If a product isn’t available for direct purchase, feel free to contact a local dealer in your region for assistance. We hope this tool makes your PC building experience smoother and more enjoyable!

PC building is about more than just hardware — it’s about creating something uniquely yours. Let 





When it comes to building a PC, planning is everything. Whether you're a first-time builder or a seasoned enthusiast, visualizing your setup ahead of time helps avoid compatibility issues and makes the whole process smoother and more cost-effective.

That’s why we are excited to introduce you to Buildcores — an incredibly useful online tool that lets you create and preview your custom PC builds in real time. Even better? Many of our darkFlash cases and cooling products are available on the platform, so you can see exactly how your setup will look before you make a purchase!



What is Buildcores?





Buildcores is a browser-based PC builder that focuses on visualizing your build in 3D. You can select your components — from the CPU and GPU to the case, fans, and power supply — and the site will automatically check compatibility between parts. 

What sets Buildcores apart is its stunning 3D rendering: it allows you to see how everything fits together, down to cable clearance, airflow direction, and lighting layout.



How to Use Buildcores

1. Visit the Buildcores Website

Head to https://buildcores.com and click on “Start Building” to begin.







2. Choose Your Components

Pick your Case, CPU, motherboard, GPU, RAM, and other components step by step. If you already have some parts in mind, you can load them directly.







3. Select Your Case (Example: darkFlash DY470)

Start by selecting your PC case — this is required before adding any components. You can browse the list use the filters on the left, or search for a specific model. For example, type “darkFlash DY470” in the search bar to begin building with that case.

💡 Note: Make sure to choose products labeled with “3D” to enable 3D preview features.









4. View Specs and Buy Links

After clicking on a component, you’ll see its detailed specifications along with purchase links — making it easy to learn more or buy directly from online stores.







5. Preview Your Build in 3D

Once you’ve selected all your components, you can preview the full build in 3D. Use your mouse to rotate and view from different angles. You can also use the controls below the preview window to adjust RGB lighting effects in real time.









6. Save or Share Your Build

Happy with your setup? Save it for later or share it with friends or on forums. It’s a great way to get feedback or make sure everything’s ready before you hit “buy.”



Before You Buy, Try It Out on Buildcores!





We recommend exploring your build on Buildcores before making any final purchases. It’s the perfect way to visualize your setup and make sure everything works — and looks — just the way you want it.

If a product isn’t available for direct purchase, feel free to contact a local dealer in your region for assistance. We hope this tool makes your PC building experience smoother and more enjoyable!

PC building is about more than just hardware — it’s about creating something uniquely yours. Let Buildcores and darkFlash help you bring that vision to life!

Get a realistic view of your build, check compatibility, and plan with confidence.

Visualize Your PC Build in 3D — No More Guesswork

While many modern games come with built-in benchmarks to help you instantly assess whether your system runs the game smoothly or if settings are too high or too low, not everyone buys a PC just for gaming. For productivity or professional use, third-party benchmarking tools are a better way to measure your system's performance through detailed data.

Developed by Maxon, Cinebench R23 is a free CPU benchmarking tool that evaluates both single-core and multi-core performance using the Cinema 4D rendering engine to simulate real 3D scene rendering. It’s one of the most widely used benchmarking standards in the industry and among DIY enthusiasts. Bonus: It also supports macOS!

Created by CPUID, CPU-Z is a popular tool for viewing detailed hardware information. It also includes a built-in benchmark module that tests both single-core and multi-core performance using compute-heavy tasks. Unlike Cinebench, it doesn’t simulate real-world scenarios but provides quick and simple performance data.

3DMark is a professional-grade benchmarking tool for testing GPU and overall system performance. It can simulate gaming scenarios, heavy graphics rendering, ray tracing, and more—providing a performance score based on your hardware.In addition to GPU tests (like ray tracing and DirectX 12), it can also evaluate CPU performance. 3DMark is an all-in-one solution, but it comes with a price tag.

FurMark is a stress-testing tool specifically for GPUs. It pushes your graphics card to its limits with a highly demanding "furry donut" rendering, helping you test stability, temperature, and cooling efficiency. This type of testing is often referred to as a “burn-in test.” Thanks to its signature rotating donut graphics, FurMark is jokingly nicknamed "the donut test."





While many modern games come with built-in benchmarks to help you instantly assess whether your system runs the game smoothly or if settings are too high or too low, not everyone buys a PC just for gaming. For productivity or professional use, third-party benchmarking tools are a better way to measure your system's performance through detailed data.



Recommended CPU Benchmark Tools

Cinebench R23 – Free

Developed by Maxon, Cinebench R23 is a free CPU benchmarking tool that evaluates both single-core and multi-core performance using the Cinema 4D rendering engine to simulate real 3D scene rendering. It’s one of the most widely used benchmarking standards in the industry and among DIY enthusiasts. Bonus: It also supports macOS!







CPU-Z Benchmark – Free

Created by CPUID, CPU-Z is a popular tool for viewing detailed hardware information. It also includes a built-in benchmark module that tests both single-core and multi-core performance using compute-heavy tasks. Unlike Cinebench, it doesn’t simulate real-world scenarios but provides quick and simple performance data.







Recommended GPU Benchmark Tools

3DMark Benchmark – Paid

3DMark is a professional-grade benchmarking tool for testing GPU and overall system performance. It can simulate gaming scenarios, heavy graphics rendering, ray tracing, and more—providing a performance score based on your hardware.In addition to GPU tests (like ray tracing and DirectX 12), it can also evaluate CPU performance. 3DMark is an all-in-one solution, but it comes with a price tag.







FurMark Benchmark – Free

FurMark is a stress-testing tool specifically for GPUs. It pushes your graphics card to its limits with a highly demanding "furry donut" rendering, helping you test stability, temperature, and cooling efficiency. This type of testing is often referred to as a “burn-in test.” Thanks to its signature rotating donut graphics, FurMark is jokingly nicknamed "the donut test."





Get to Know the 4 Most Popular Benchmarking Tools for Testing CPUs and GPUs Today.

Recommended Software for Testing CPU and GPU Performance

Your PC works hard—whether it’s powering through work tasks, running games, or keeping you connected. But while we rely on our computers every day, cleaning and maintaining them is often overlooked. 

One of the biggest hidden threats? Dust. It builds up over time and can seriously impact performance and even damage your hardware. Let’s break down why regular cleaning is important, how often you should do it, and the best way to safely clean your PC.

Dust might not seem like a big deal, but inside your PC, it’s a different story. Dust buildup can block airflow, causing your system to overheat. When that happens, your CPU and GPU may throttle their performance to stay safe—meaning slower speeds for you. In extreme cases, it can even damage parts permanently.

Performance Drops, Hardware Risk, and a Shorter Lifespan

When fans and vents get clogged with dust, cooling becomes much less efficient. That means higher temperatures, louder fan noise, and increased wear on components. Plus, dust on the motherboard, graphics card, or RAM can lead to static discharge, corrosion, or even short circuits.

Shut down your PC and switch off the power supply. Unplug everything before you open the case.

Most cases have dust filters on the front, top, or bottom. These are easy to remove—some slide out, others are magnetic. You can rinse them with water or wipe them with a damp cloth. Just make sure they’re completely dry before reinstalling.

Remove the side panel carefully. With your compressed air can held upright, blow short bursts of air to clear dust from top to bottom. Focus on fans, heat sinks, and vents.

Use a soft brush to get stubborn dust off fan blades and heatsinks. It helps to hold the fan blades in place while using compressed air so they don’t spin wildly.

5. Be Gentle with the Motherboard and RAM

These parts are delicate. Use short bursts of air only—don’t brush them directly.

A microfiber cloth is perfect for wiping your hard drives, SSDs, and any other visible areas. Use compressed air to clean the PSU vents too.

It depends on your environment and how heavily you use your computer, but here are some general guidelines:

Keeping your PC clean isn’t just about looks—it makes a real difference:





Your PC works hard—whether it’s powering through work tasks, running games, or keeping you connected. But while we rely on our computers every day, cleaning and maintaining them is often overlooked. 



One of the biggest hidden threats? Dust. It builds up over time and can seriously impact performance and even damage your hardware. Let’s break down why regular cleaning is important, how often you should do it, and the best way to safely clean your PC.



Why Dust Is Bad for Your PC

Dust might not seem like a big deal, but inside your PC, it’s a different story. Dust buildup can block airflow, causing your system to overheat. When that happens, your CPU and GPU may throttle their performance to stay safe—meaning slower speeds for you. In extreme cases, it can even damage parts permanently.







Performance Drops, Hardware Risk, and a Shorter Lifespan

When fans and vents get clogged with dust, cooling becomes much less efficient. That means higher temperatures, louder fan noise, and increased wear on components. Plus, dust on the motherboard, graphics card, or RAM can lead to static discharge, corrosion, or even short circuits.



What You’ll Need





Compressed Air – This is your go-to tool. It blows dust out of tight spots without you needing to touch anything.



Soft Brushes – Great for gently loosening dust in fans or corners.



Microfiber Cloths – Ideal for wiping off surfaces without scratching them.







Step-by-Step: How to Clean Your PC

1. Turn Everything Off

Shut down your PC and switch off the power supply. Unplug everything before you open the case.



2. Start with the Dust Filters

Most cases have dust filters on the front, top, or bottom. These are easy to remove—some slide out, others are magnetic. You can rinse them with water or wipe them with a damp cloth. Just make sure they’re completely dry before reinstalling.



3. Open the Case

Remove the side panel carefully. With your compressed air can held upright, blow short bursts of air to clear dust from top to bottom. Focus on fans, heat sinks, and vents.



4. Use Brushes and Cloths

Use a soft brush to get stubborn dust off fan blades and heatsinks. It helps to hold the fan blades in place while using compressed air so they don’t spin wildly.



5. Be Gentle with the Motherboard and RAM

These parts are delicate. Use short bursts of air only—don’t brush them directly.



6. Wipe Down Other Parts

A microfiber cloth is perfect for wiping your hard drives, SSDs, and any other visible areas. Use compressed air to clean the PSU vents too.





Bottom dust filters on DY470.



How Often Should You Clean Your PC?

It depends on your environment and how heavily you use your computer, but here are some general guidelines:







Every 3 to 6 Months is a good rule of thumb for most users.



If you have pets, smoke indoors, or live in a dusty area, aim for every 2 to 3 months.



If you’re a heavy gamer or use your PC for demanding tasks, clean it more often due to higher heat output.



For light users in clean environments, cleaning twice a year is usually fine.







Why It’s Worth It

Keeping your PC clean isn’t just about looks—it makes a real difference:





Better Performance – Lower temps mean your system can run faster and more efficiently.



Longer Lifespan – Less heat and dust stress mean your parts will last longer.



Quieter Operation – Clean fans don’t have to work as hard, which cuts down on noise.

A little maintenance goes a long way toward keeping your system running smoothly, quietly, and for years to come.

Keeping Your PC Clean: How and When to Do It

When using the latest ATX 3.1 power supply, the most important thing to be aware of is the 12V 2x6 connector used for GPU power cables. Although this revised connector has significantly reduced the risk of connector burnouts, improper handling can still cause damage. Please pay special attention to the following points:

Connection Status Between Power Cable and GPU Connector

When connecting the GPU, ensure the direction of the cable and GPU connector matches. Also, confirm that the latch is fully engaged and locked in place.

Avoid Bending the Cable Within 35mm of the Connector

Whether installing the GPU horizontally or vertically, you'll likely need to bend the power cable. If the cable is bent too close to the connector, it can cause the plastic sheath near the connector to peel off, potentially leading to short circuits. It is recommended to bend the cable only after at least 35mm of straight length from the connector.

Do Not Force or Repeatedly Bend the Cable

While modern power cables are built to be durable, excessive force or repeated bending can still damage them, increasing the risk of electrical issues.





When using the latest ATX 3.1 power supply, the most important thing to be aware of is the 12V 2x6 connector used for GPU power cables. Although this revised connector has significantly reduced the risk of connector burnouts, improper handling can still cause damage. Please pay special attention to the following points:



Connection Status Between Power Cable and GPU Connector

When connecting the GPU, ensure the direction of the cable and GPU connector matches. Also, confirm that the latch is fully engaged and locked in place.







Avoid Bending the Cable Within 35mm of the Connector

Whether installing the GPU horizontally or vertically, you'll likely need to bend the power cable. If the cable is bent too close to the connector, it can cause the plastic sheath near the connector to peel off, potentially leading to short circuits. It is recommended to bend the cable only after at least 35mm of straight length from the connector.







Do Not Force or Repeatedly Bend the Cable

While modern power cables are built to be durable, excessive force or repeated bending can still damage them, increasing the risk of electrical issues.





When using the latest 12V-2x6 GPU power cable, please pay attention to the following points.

Precautions When Using the Latest ATX 3.1 Power Supply GPU Cables

Have you bought a Mac Mini or MacBook but don't want to use the thin membrane keyboard or pay for the expensive official keyboards? 

Found a mechanical keyboard you love but noticed it doesn’t come with a dedicated Mac layout? No worries! As long as it’s a keyboard, it can generally be used with a Mac — you just need a few settings adjustments to make everything run smoothly.

How to Set Up Windows Layout Function Keys on a Mac

 | Open the Settings menu, select "Keyboard," and then click "Keyboard Shortcuts."

 | Scroll down to find "Modifier Keys" and choose the name of the keyboard you want to modify.

 | Click "Done" and test if everything works correctly.

When connecting an external keyboard to a Mac for the first time, the Command and Option keys may behave differently, so you’ll need to remap them.

The DF98 mechanical keyboards also support key customization, allowing seamless switching between Windows and Mac systems, truly delivering a one-key dual-system experience!





Have you bought a Mac Mini or MacBook but don't want to use the thin membrane keyboard or pay for the expensive official keyboards? 



Found a mechanical keyboard you love but noticed it doesn’t come with a dedicated Mac layout? No worries! As long as it’s a keyboard, it can generally be used with a Mac — you just need a few settings adjustments to make everything run smoothly.



How to Set Up Windows Layout Function Keys on a Mac

Step 1 | Open the Settings menu, select "Keyboard," and then click "Keyboard Shortcuts."







Step 2 | Scroll down to find "Modifier Keys" and choose the name of the keyboard you want to modify.







Step 3 | Change the key assignments:





Change the Option key to act as the Command key.



Change the Command key to act as the Option key.







Step 4 | Click "Done" and test if everything works correctly.


When connecting an external keyboard to a Mac for the first time, the Command and Option keys may behave differently, so you’ll need to remap them.







Recommended Mechanical Keyboard: DF98

The DF98 mechanical keyboards also support key customization, allowing seamless switching between Windows and Mac systems, truly delivering a one-key dual-system experience!





Here's how to switch to Mac key layout and quickly toggle between dual systems!

A Must-Read for Mac Users: How to Remap a Regular Keyboard to Mac Layout

After installing the CPU, the correct installation of the cooler also affects the processor's cooling efficiency and system stability. If installed improperly, it may cause various issues when using the computer. This article will help new DIY users understand the situation and learn how to troubleshoot problems.

What Happens if the CPU Cooler is Not Installed Properly?

If the CPU cooler is not installed correctly during computer assembly, the following issues may occur:

How to Confirm if the CPU Cooler is Properly Installed

If the CPU cooler is not installed properly, it can lead to overheating, automatic shutdowns, throttling, and other issues. By checking the mounting clips, testing stability, verifying thermal paste application, and monitoring temperatures, you can ensure that the cooler is correctly installed and keep your computer running stably!





After installing the CPU, the correct installation of the cooler also affects the processor's cooling efficiency and system stability. If installed improperly, it may cause various issues when using the computer. This article will help new DIY users understand the situation and learn how to troubleshoot problems.



What Happens if the CPU Cooler is Not Installed Properly?

If the CPU cooler is not installed correctly during computer assembly, the following issues may occur:





CPU Overheating: If the cooler is not properly secured, it may fail to dissipate heat effectively, causing the CPU temperature to rise excessively.



System Instability: When the CPU temperature is too high, it will trigger automatic protection mechanisms, leading to shutdowns, frequent blue screens, or crashes.



Automatic Throttling: The CPU will automatically reduce its clock speed due to excessive heat, affecting overall performance.



Risk of Damage: Prolonged CPU overheating may significantly shorten its lifespan.







How to Confirm if the CPU Cooler is Properly Installed

Physical Inspection





Check if the cooler is properly attached to the CPU: Observe from the side to ensure there are no visible gaps between the cooler and the CPU.



Verify if the mounting clips are securely fastened: Follow the instructions provided with the cooler to confirm that all mounting points are tightened and evenly secured.



Test for movement: Gently shake the cooler to check if it moves easily. If it does, the installation is unstable and needs to be reinstalled.







Check Thermal Paste Application





Ensure thermal paste is applied: When installing the cooler, you may forget to apply thermal paste to the processor surface or to remove the protective film from the base of a liquid cooler.



Confirm correct thermal paste application: The application method may vary, so refer to a thermal paste application guide.







Check CPU Temperature





Enter BIOS after booting (press F2 or DEL repeatedly during startup) to check the CPU temperature.



Use third-party software like CPU-Z or other monitoring tools to check the CPU's idle temperature (a normal idle temperature should be below 45°C).



Monitoring Tools



If the CPU cooler is not installed properly, it can lead to overheating, automatic shutdowns, throttling, and other issues. By checking the mounting clips, testing stability, verifying thermal paste application, and monitoring temperatures, you can ensure that the cooler is correctly installed and keep your computer running stably!

CPU Cooler is a crucial component, and improper installation may lead to a series of issues.

How to Confirm If the CPU Cooler is Installed Correctly

During computer use, various issues may arise, such as failure to boot, continuous restarting, or sluggish performance. Most of these problems can be resolved through simple inspections and troubleshooting. Below are some common computer malfunctions, their possible causes, and corresponding solutions.

Common Issue | Computer Slows Down and Becomes Laggy

Most common computer issues stem from hardware or software problems. However, using elimination and cross-testing methods can resolve most issues. 

If the problem persists, consider contacting the component manufacturer or a computer repair shop for further diagnosis!





During computer use, various issues may arise, such as failure to boot, continuous restarting, or sluggish performance. Most of these problems can be resolved through simple inspections and troubleshooting. Below are some common computer malfunctions, their possible causes, and corresponding solutions.



Common Issue | Computer Won’t Turn On







📍 Possible Causes





Power Issues: Power supply failure or forgetting to turn on the power switch.



Power Button Issues: Improperly connected case button or loose wiring.



🛠️ Solutions





Check if the power supply is functioning properly.



Inspect hardware installation, especially ensuring the RAM and power cables are securely connected.



Verify that the case button is correctly wired to the motherboard.



Common Issue | No Display After Booting







📍 Possible Causes





Monitor Issues: The screen is turned off, faulty, or the incorrect input source is selected.



Graphics Card Issues: The graphics card is faulty or not properly connected to the motherboard.



🛠️ Solutions





Ensure the monitor is powered on and receiving the correct signal input.



Reinsert the graphics card and clean the gold contacts using an eraser.



Test booting using an integrated GPU to check if the display works.



Common Issue | Computer Keeps Restarting







📍 Possible Causes





RAM is not properly installed.



The CPU cooler is not functioning correctly, causing the processor to overheat and shut down.



Insufficient power supply wattage, triggering automatic shutdown.



🛠️ Solutions





Reinsert the RAM and ensure it is firmly seated.



Check if the CPU cooler has thermal paste applied and is operating normally.



Use a power supply wattage calculator to verify if the power supply is sufficient.



Common Issue | Computer Slows Down and Becomes Laggy







📍 Possible Causes





Insufficient RAM capacity.



Lack of hard drive space or hard drive failure.



Too many running programs consuming CPU and RAM resources for extended periods.



🛠️ Solutions





Upgrade the RAM capacity.



Add a new hard drive or replace the existing one.



Use Task Manager (Ctrl + Shift + ESC) to close unnecessary programs.



Most common computer issues stem from hardware or software problems. However, using elimination and cross-testing methods can resolve most issues. 



If the problem persists, consider contacting the component manufacturer or a computer repair shop for further diagnosis!

Understand common issues and troubleshoot quickly.

Common Computer Malfunctions: Causes and Solutions

Building a PC can be a big challenge for DIY beginners, but it’s also an incredibly fun and rewarding process. Before starting your build, you need to understand the following key points:

Before planning your PC build, it's essential to define your specific needs. Are you building a PC for gaming, office work, content creation, or streaming?

If you don’t clarify your needs beforehand, you might end up buying incompatible components or wasting money on unnecessary parts.

Step 2: Essential Components for Building a PC

Before building your PC, you need to prepare the following components:

To help choose the right components and avoid compatibility issues, we’ll demonstrate how to use PCPartPicker for selecting and purchasing parts.

Use PCPartPicker’s system to select preferred components and brands. If a specific component is unavailable on the website, it can manually search for it on other platforms.

III. Purchase Components from Your Preferred Store

For example, if buying from Amazon, simply add the selected parts to the cart and proceed with the checkout process.

IV. Purchase From Other Platforms (If needed)

If the selected PC components are out of stock or unavailable on usual shopping websites, alternative suppliers can be found below, or local distributors can be contacted for assistance.

Magnetic Screwdriver or Electric Screwdriver

Using a magnetic screwdriver or an electric screwdriver makes component installation faster and more convenient.

After assembling the components, it's important to manage the cables. Cable ties help keep the wiring neat and organized.

Before installation, carefully read the user manuals of each component. This ensures a smooth installation process and helps prevent damage due to incorrect assembly.

With proper planning and the right tools, even beginners can successfully build a powerful and efficient PC! 





Building a PC can be a big challenge for DIY beginners, but it’s also an incredibly fun and rewarding process. Before starting your build, you need to understand the following key points:



Step 1: Determine Your Usage Needs

Before planning your PC build, it's essential to define your specific needs. Are you building a PC for gaming, office work, content creation, or streaming?



If you don’t clarify your needs beforehand, you might end up buying incompatible components or wasting money on unnecessary parts.







Step 2: Essential Components for Building a PC

Before building your PC, you need to prepare the following components:





CPU (Processor) – Responsible for executing calculations and instructions.



CPU Cooler – Helps dissipate heat from the processor to ensure optimal performance.



Motherboard – Serves as the bridge connecting all PC components.



RAM (Memory) – Temporarily stores data to speed up program execution.



Storage (SSD/HDD) – Stores system files and user data.



Graphics Card (GPU) – Handles graphics processing for gaming, video editing, and rendering tasks.



Power Supply Unit (PSU) – Provides power to all components.



PC Case – Houses all components, offering protection and extending the system’s lifespan.







Step 3: Planning Your PC Build 

(Using the PCPartPicker website as an example)



To help choose the right components and avoid compatibility issues, we’ll demonstrate how to use PCPartPicker for selecting and purchasing parts.



I. Visit the PCPartPicker Website





↑PCPartPicker



II. Select the PC Components

Use PCPartPicker’s system to select preferred components and brands. If a specific component is unavailable on the website, it can manually search for it on other platforms.







III. Purchase Components from Your Preferred Store

For example, if buying from Amazon, simply add the selected parts to the cart and proceed with the checkout process.







IV. Purchase From Other Platforms (If needed)

If the selected PC components are out of stock or unavailable on usual shopping websites, alternative suppliers can be found below, or local distributors can be contacted for assistance.





↑Purchase darkFlash DY470 on newegg



Step 4: Tools Needed for PC Build

Magnetic Screwdriver or Electric Screwdriver

Using a magnetic screwdriver or an electric screwdriver makes component installation faster and more convenient.







Cable Ties and Scissors

After assembling the components, it's important to manage the cables. Cable ties help keep the wiring neat and organized.







Component Manuals

Before installation, carefully read the user manuals of each component. This ensures a smooth installation process and helps prevent damage due to incorrect assembly.







With proper planning and the right tools, even beginners can successfully build a powerful and efficient PC! 

Here're a few things you need to know first.

Build Your Own PC! A Must-Know Guide for DIY Beginners

As an enthusiast of games and computer DIY in this age, we, darkFlash, feel proud and grateful for keep thinking how to develop impressive and extraordinary products with high-end facilities by assembling and using the PC cases, CPU coolers, case fans, and even gaming chairs and tables in person.

Our goal is to create products that could extremely exert its effect by every user.