Steps to Troubleshoot a Computer that is Not Powering On

When troubleshooting a computer that is not powering on, a Desktop Support Engineer should follow these steps:

1. Check Power Source: Ensure that the power cable is properly connected to both the computer and the power outlet.
2. Verify Power Supply: Test the power outlet with another device or plug the computer into a different outlet to ensure the issue is not with the power supply.
3. Inspect Power Button: Make sure the power button is functioning properly by checking for any physical damage or obstructions.
4. Look for Indicator Lights: Check for any indicator lights on the computer or power supply unit that might indicate a power issue.
5. Check Internal Components: Open the computer case and inspect the internal components, such as the motherboard, RAM, and power connections, for any loose connections or damage.
6. Reset BIOS/CMOS: Reset the BIOS/CMOS settings by removing the CMOS battery and/or using the jumper on the motherboard to clear the settings.
7. Test Power Supply: Use a multimeter to test the power supply output to ensure it is providing the correct voltage.
8. Try a Different Power Supply: If possible, test the computer with a different power supply to rule out a faulty power supply as the cause of the issue.
9. Consult Documentation: Refer to the computer's user manual or online troubleshooting guides for specific instructions on diagnosing power-related issues.

By following these steps systematically, a Desktop Support Engineer can effectively troubleshoot a computer that is not powering on and identify the root cause of the problem.