Computer hardware troubleshooting

It’s difficult to envision life in the present day without computers. Computers can have a range of hardware issues, despite their effectiveness. This article will examine some of these typical hardware problems and offer detailed instructions for fixing them.

Computer Hardware Issues and Fixes

No one enjoys a glitchy computer. Fear not, tech warriors! This table equips you to tackle common hardware woes with efficient fixes.

IssuePossible CauseFix
Computer won’t turn on* Power supply unit (PSU) failure * Faulty motherboard * Loose cables * Dead battery (laptops)– Check if power is plugged in and cable connections are secure. – Test power outlet with another device. – Try a different power cable. – Listen for fan or disk activity (indicating potential motherboard issue). – For laptops, replace battery if necessary.
Slow performance* Overheating * Insufficient RAM * Outdated software * Hard drive issues * Malware– Ensure proper ventilation and clean dust from vents. – Close unnecessary programs and browser tabs. – Update operating system and drivers. – Run disk defragmentation or check for drive errors. – Scan for malware and remove if found. – Upgrade RAM if needed.
Frequent crashes or freezes* Overheating * RAM issues * Software conflicts * Graphics card problems– Check for overheating and dust buildup. – Run memory diagnostics to test RAM stability. – Uninstall recently installed software or update drivers. – Check for overheating or faulty graphics card (laptops may require professional repair).
Noisy computer* Failing fan * Hard drive issues * Optical drive malfunction– Clean dust from fans and replace if necessary. – Check for hard drive health and potentially back up data. – Eject any discs from the optical drive and ensure it’s not faulty.
Blurry or distorted screen* Faulty graphics card * Loose cable connection * Driver issues– Update graphics card drivers. – Check for loose cables connecting the monitor and graphics card. – Consider replacing graphics card if issues persist (laptops might require professional repair).
Keyboard or mouse not working* Faulty USB port * Driver issues * Physical damage– Try different USB ports. – Update keyboard and mouse drivers. – Check for physical damage or debris under keys/buttons. – Replace if necessary.

Bonus Tip: Regular preventative maintenance, like cleaning dust and updating software, can help prevent many hardware issues.

Top 9 Most Common Issues

Computer Repair Sign
Computer Repair Sign


Overheating is a hardware issue that is frequently disregarded yet can seriously harm your computer. Usually, inadequate ventilation, a buildup of dust, or a broken fan cause overheating.

How to Repair

Overheating can be avoided by performing regular cleaning. Make sure the air vents on your computer are not obstructed, and use compressed air frequently to blow off dust. Consider replacing the fan or getting professional assistance if the issue doesn’t go away.

Hard drive malfunction

Hard drive failures can happen for a number of causes, including physical harm, power outages, or excessive use. Frequent freezing, data loss, odd noises, or the dreaded “blue screen of death” are all signs of a failing hard drive.

How to Repair

To protect your data in the event of a hard disk failure, routinely backup your data. If your hard drive is showing signs of failure, think about replacing it or hiring a data recovery specialist. Defragmenting and doing routine disk checks can both contribute to the longevity of your hard drive.

Defective RAM

Problems with Random Access Memory (RAM) frequently show up as boot-up troubles, blue screen errors, or recurrent system crashes.

How to Repair

A memory check is the first step in identifying a RAM problem. If you discover defective modules, replacing them should fix the issue. Ensure sure your system can accommodate the new Memory modules.

Electricity Supply Problems

Your computer may shut down, reboot, or not turn on at all due to problems with the power supply. Power supply unit (PSU) malfunctions, issues with electrical outlets, or problems with the power line can all cause these issues.

How to Repair

Make sure the outlets and power cord are working properly by checking them. If the issue doesn’t go away, think about switching out the Supply. Ensure your system is compatible with the new PSU and that it has enough power for all of your hardware.

Intel Arc GPU
Intel Arc GPU

Problems with Graphics Cards

Video playback issues, such as freezing, pixelation, or subpar performance in graphics-intensive programs, are frequently brought on by problems with the graphics card.

How to Repair

First, ensure sure the drivers for your graphics card are current. If the issue still exists, consider using a different video cable or reseating the graphics card. If none of these remedies work, think about getting a new graphics card.

Inoperable Peripherals

Peripheral equipment like keyboards, mouse, and printers can malfunction occasionally. This issue might be brought on by malfunctioning hardware, out-of-date drivers, or issues with the USB ports.

How to Repair

To see if it works, try connecting the item to a different USB port or computer. Refresh the device drivers, and if the issue still exists, think about buying a new device.

Network Problems

Your computer may not be able to connect to the internet due to network troubles. These troubles may be brought on by router or network card hardware issues, problems with your ISP, or issues with your network configuration.

How to Repair

Restarting your computer and router might help. Make sure your network card drivers are up to current if this doesn’t work. Resetting your network settings is another option. Contact your ISP or think about getting a new network card or router if the issue continues.

Board problems

Many issues, including blue screen errors, erratic restarts, and computer booting issues, can be brought on by a defective motherboard.

How to Repair

A motherboard problem can be difficult to diagnose. It’s usually preferable to get professional assistance if you think your motherboard might be malfunctioning.

BIOS Problems

An essential component that manages the first boot process is the BIOS (Basic Input Output System). System instability or booting problems can be brought on by BIOS problems.

How to Repair

Try restoring the default settings in your BIOS. If this doesn’t work, your BIOS may need to be updated. Nonetheless, this procedure can be dangerous and is best carried out with professional supervision.


Although while problems with computer hardware might be annoying, the majority of them can be fixed with some patience and troubleshooting. Many issues can be avoided with regular maintenance, which includes cleaning and updating your system. When in doubt, don’t be afraid to ask for professional assistance to prevent harming your system even more.

Keep in mind that computers are necessary tools in our lives, and knowing how to solve their typical issues can help us avoid potential data loss and save time and money.

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