How to Fix PC Won't Turn on But Motherboard Light Is on

If you find that your c PC won't turn on but motherboard light is on, don't panic, you can follow this tutorial on MiniTool to find out the reasons and corresponding solutions. Now, keep on your reading.

Have you ever been troubled by the “PC won’t turn on but motherboard light is on” issue. You may be wondering what causes this problem and how to fix it. Let’s find out the possible reasons and explore some feasible solutions.

The following are the main reasons for the “PC won’t turn on but power light is on” issue.

• Power failure
• Loose connections
• Hardware component failure

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How to Fix PC Won’t Turn on But Motherboard Light Is on

How to fix the “PC won’t turn on but power light is blinking” issue. The following are the solutions you can try.

1. Check the power supply: Make sure the power supply unit is working properly. Check for any signs of damage or overheating.
2. Check the power connections: Verify that all power cords are securely connected to the power supply and motherboard. Sometimes, cables can become loose during transportation or maintenance.
3. Test the power button: Check that the power button itself is working properly. Sometimes, a faulty power button prevents the computer from turning on.
4. Check the motherboard indicator light: If the motherboard has an indicator light, check to see if the indicator light comes on when power is applied. This helps determine if the motherboard is receiving power.
5. Check for beep codes or error messages: Some motherboards will emit a beep code or display an error message when there is a problem during startup. Please refer to your motherboard manual for interpretation of these codes.
6. Check BIOS settings: Make sure that RAM-related BIOS settings are configured correctly. Incorrect settings may cause compatibility issues or prevent the PC from booting. Please refer to your motherboard manual or manufacturer’s website.
7. Check RAM: Try reinstalling or replacing the RAM strip. Faulty or improperly inserted RAM can cause the “motherboard lights up but PC won’t turn on” issue.

Back up Important Files After Fixing the Issue

After fixing the “PC won’t turn on but motherboard light is on” issue, it’s recommended to back up your important data. Just imagine such a scenario – the issue can’t be fixed and all of the data are missing. It’s convenient to get your PC data back once you have created the backup.

To back up your files, a piece of Windows backup software – MiniTool ShadowMaker is a top choice for you. This free tool can satisfy your different backup needs including backing up files, folders, systems, disks, partitions, and systems. Besides, it allows you to create a scheduled backup to provide better protection for your data. 

Final Words

In summary, the “PC won’t turn on but power light is on” issue can be caused by a number of factors. Power supply issues, motherboard failures, RAM issues, and other potential causes should be systematically investigated to identify and resolve the problem. By following the troubleshooting steps outlined in this post, you can diagnose and resolve it.

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