Desktop Computer Won't Turn on? Step and Procedure with Picture

To fix a computer that won't turn on, first try ruling out a faulty power supply or outlet

1.       You can also try checking for beep codes, display issues, unusual BIOS settings, or troubleshoot the PC in Safe Mode

2.       Other fixes include disconnecting non-essential devices and checking for loose components and malware

3.       unplugging the cable from the power supply to the outlet

4.       checking your monitor connection

5.       and listening for beeps

 

PC No Power?

Computer Turn On But No Display?

PC Won't Start?

Steps and Procedures

1.    1.   Check Power Cable - Try Different One, Continuity

2.     2.  Check UPS or AVR

 Check AVR Fuse

3.     3. Listen to Beep Codes

1 Beep - Refresh Failure

Reseat/replace memory, troubleshoot motherboard.

2 Beeps - Parity Error

Reseat/replace memory, troubleshoot motherboard.

3 Beeps - Memory Error 

Reseat/replace memory.

4 Beeps - Timer Failure

Troubleshoot motherboard.

5 Beeps - Processor Failure

Troubleshoot CPU, motherboard.

6 Beeps - Keyboard Controller Failure

Troubleshoot keyboard, motherboard.

7 Beeps - Virtual Mode Exception Error

Troubleshoot CPU, motherboard.

8 Beeps - Display Memory Failure

Troubleshoot graphics card, motherboard.

9 Beeps - ROM BIOS Checksum Failure

Replace ROM BIOS, troubleshoot motherboard.

10 Beeps - CMOS Shutdown Register Failure

Troubleshoot motherboard.

11 Beeps - L2 Cache Failure

Troubleshoot L2 cache, motherboard.

Continuous Beeps - Memory or Video Failure

Troubleshoot memory, graphics card, motherboard.

4.     4.  Check your Motherboard

 Power Switch Wire, Check Power Button

F_Panel - Check if shorted in Power SW

Remove Battery

 Try to Reset Motherboard

5.      5.  Check VGA Cable

6.

6. Check RAM - Clean the Bronze with bond Paper or Pencil Eraser

7. Force Power On Motherboard Jumper the Green and Black then Locate what part getting hot

8. Power Supply Unit Problem - Replace with New One with same Wattage

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