PC Randomly Does Not Turn On

[Udgnim]

This is my PSU:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817438018

My PC will randomly not turn at times. Once it does turn on, everything is ok but getting it to turn on is a waiting game at times.

I've tried leaving it in Sleep mode and come back to the PC not waking up & turned off.

I haven't had the PC randomly restart or turn off while I was actively using it.

More recently, I've been unplugging all cables from the PC and flipping the PSU off and that has been consistently getting the PC to turn on the last couple days.

I could remove all PC components and put them back together, but I really don't want to do that. Primarily want to know why my PC randomly does not turn on at times.

 

[Ketchup]

What are your other components?

 

[corkyg]

Try this. When it won't turn on, reach back and turn the PSU master switch off and then back on, and then see if the front button works.

 

[C1]

If it turns out to be your front panel "push button" switch, then they are easily replaceable & Fry's Electronics features them in their computer parts section. (They are only a few dollars.)

 

[pigsty]

Any problems when you boot / run Linux from a flash drive or optical disk? If not, there is nothing wrong with your hardware...