video card?...or power supply?

[nuttyone]

while playing a game my screen went whacko! it was all scrambled an unreadable. I restarted my pc then everything was fine...for about an hour. then it got all scrambled again so I rebooted. Now I can not get it to come on at all!..Monitor is just blank. I have an acer aspire m1100. windows vista. Can anybody tell me what is wrong?
Thanks in advance

 

[Chris A]

Scrambled screen sounds like video card went bad. What kind of computer and what kind of video card?

 

[dustyjay]

THe fact that you can not get it to boot at all now seems to be a Power Supply issue rather than video card issue. A power supply going out can cause video problems as well as other seemingly unrelated problems.

 

[nuttyone]

THe fact that you can not get it to boot at all now seems to be a Power Supply issue rather than video card issue. A power supply going out can cause video problems as well as other seemingly unrelated problems.

is there anyway to check before buying, which one it could be?

 

[frankjohn]

Is this a on board video or a card?

 

[dustyjay]

As far as testing it. The best way is to attached a known good power supply to your system. see if it corrects the problem.

 

[nuttyone]

Is this a on board video or a card?

on board