台式电脑主机开不了机怎么办

If your desktop computer is not turning on, here are a few steps you can try to troubleshoot the issue:

1. Check the power source: Make sure the power cord is securely plugged into both the computer and the power outlet. Try plugging the cord into a different outlet to see if that resolves the issue.

2. Check the power button: Ensure that the power button on the computer is functioning properly. Sometimes the button may be stuck or not making proper contact.

3. Check for any visible damage: Inspect the power cord, power supply unit, and other components for any signs of physical damage. If you notice any damage, it may need to be repaired or replaced.

4. Reset the power supply: If the computer is connected to a surge protector or power strip, try resetting the power supply by unplugging it for a few minutes and then plugging it back in.

5. Test the power supply: If possible, test the power supply unit with a multimeter to determine if it is providing the correct voltage. If the power supply is faulty, it may need to be replaced.

If none of these steps resolve the issue, it may be best to consult a professional technician for further diagnosis and repair.