Pc Hardware Problems and Solutions
1.Turns On CPU, But No Display Issues
Solution:
- Check if the monitor is properly connected and powered on.
- Try reseating the RAM sticks or swapping them if needed.
- Ensure the graphics card is seated correctly and the power cables are connected.
- If the motherboard has onboard video output, remove the graphics card and test with integrated graphics.
- Reset CMOS by removing the battery for 10 seconds and reinserting it.
2. Computer Keeps Restarting Randomly
Solution:
- Check the power supply (PSU) for voltage fluctuations or overheating.
- Scan for overheating issues – clean the CPU fan and apply fresh thermal paste if necessary.
- and also check also check in BIOS how many Ram Display in Ram section Run Windows Memory Diagnostics check for faulty RAMs.
3. Slow Boot Time or Freezing on Startup
Solution:
- Disable unnecessary startup programs using **Task Manager > Startup**.
- If using an HDD, defragment the drive or upgrade to an SSD for better performance.
- First check which types virus view in pc then use CMD or Scan for malware using Windows Defender and a third-party antivirus.
- Check the health of your drive with CrystalDiskInfo – replace the drive if failing.
4. PC Overheating and Shutting Down
Solution:
- Clean dust buildup inside the PC, especially around the CPU and GPU.
- Replace and remove old thermal paste on the CPU and GPU.
- Improve airflow by adding case fans or repositioning existing ones.
- Check the BIOS fan speed settings and increase them if necessary.
5. USB Ports Not Working
Solution:
- Restart your PC and check if the from bios usb ports on/off.
- Go to **Device Manager > Universal Serial Bus Controllers**, right-click, and update drivers.
- Try check one by one usb port sometime any one port has been short.
- If using a USB hub, plug the device directly into the PC.
- Disable USB Selective Suspend in Power Options and also repair selective usb port.
6. Lots of Blue Screen of Death (BSOD) Errors
Solution:
- Note down the error code (e.g., **0x000000D1**) and search for specific causes.
- Update all drivers, Network, Wifi, especially graphics and chipset drivers.
- Run **sfc /scannow** and **chkdsk /f** in Command Prompt to fix system file errors.
- Test RAM with **MemTest86** and replace faulty sticks if errors appear.
7. No Sound or Audio Issues
Solution:
- Check if the audio device is properly connected and selected as the default output device.
- Right-click on the speaker icon > **Sounds** > **Playback** and set the correct device.
- Update or reinstall audio drivers from **Device Manager**.
- Run the Windows **Audio Troubleshooter**.
8. Hard Drive and SDD, NVMe, Not Detected in BIOS
Solution:
- Check if the SATA or NVMe connection is loose and reconnect the drive.
- Enter BIOS and check if the drive is listed under **Boot Devices**.
- Try a different options like SATA cable or port .
- If it’s an M.2 NVMe SSD, ensure the correct slot is being used and enabled in BIOS.
9. WiFi or Ethernet Not Working
Solution:
- Restart your router and PC.
- Run **Network Troubleshooter** from **Settings > Network & Internet**.
- Update your network drivers via Device Manager or download from internet which support driver.
- Try using a different Ethernet cable or USB WiFi adapter.
- Resets network settings using the command and powershell:
netsh winsock reset
10. PC Not Powering On at All
Solution:
- Check if the power supply switch is turned on.
- Try a different power outlet or cables also check the power supply in back side button.
- Test the **power supply unit (PSU)** with another PC or a tester.
- Remove and reseat RAM, GPU, and CPU power cables.
- Short the **power switch pins** on the motherboard to check if the case power button is faulty.
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