Why does the computer automatically turn on a power supply?

Computer host a power to automatically start the boot, do not press the host to start the button.

　　The reason for the appearance

1. Power plug can not guarantee a good contact

2. Computer Power problem

3.bios Setup Issues

　Solving method

1. Repair Plug

2. Replace the computer power

3. Configure BIOS: In PowerManagement setup in Pwron after Pwfall, select the state on, off, and former_sts after the power outage.

　　Attention matters

If the power supply can not be resolved, it is the motherboard problem, can be sent to the supplier overhaul or replacement. Remove the keyboard to try, if not boot, because the system starts the BIOS will automatically detect hardware configuration, if the hardware is missing, self-test will be interrupted, missing solution, self-test to continue.