Computer power doesn't work

[Trubine]

My Father's PC Seems to have a problem with its Power It will Slightly turn on then off. The PC Monitor also does not Get a signal From The Desktop.

 

[brucethetech]

not sure how it turns slightly on. but your power supply may be bad. thats the cheapest fix. the motherboard will be the worst case scenerio.

 

[Trubine]

I thought so Just wanted to make sure . Thank you very much