Question Windows 7 Screen Goes Black After Few Minutes of Booting

[the AnimatedStick]

Hi,
I have Windows 7 Ultimate SP1 its like 10 Years old PC
and
recently i didn't use the PC
so today i Switched on the PC all works fine and after that like 5 mins Later my screen at once went to sleep and mouse didn't respond at all All i saw was no Signal but my CPU was still turned on.

 

[rgd1101]

Probably gpu or psu failed

 

[IRONRIDER]

Hi,
I have Windows 7 Ultimate SP1 its like 10 Years old PC
and
recently i didn't use the PC
so today i Switched on the PC all works fine and after that like 5 mins Later my screen at once went to sleep and mouse didn't respond at all All i saw was no Signal but my CPU was still turned on.

power supply u need to get a new power supply let me geuss everytime u swicth it on is just black screen