My pc is booting and startingup but suddenly display gone but my i/o devices and

[basha521]

when i press power button the pc starts but some times when i press power button display is gone and nothing on the screen when this occur it is not starts immediately to again start the pc i need to completly remove the power and wait for more than 1/2 an hour

can any one help me what is happend to my pc

 

[COLGeek]

Sounds like your power supply is failing. Time to replace it.

Good luck!