Screen goes blank and have to hard boot it to get it going again?

[robodob]

hi all.

my computer is,
acer aspire x1300
amd phenom (tm) 9650
quad core processor (4cpu,s)
2.30gz
3gb of ram
nvidia geforce 9200. windows vista premium.

i hav had my computer for 2 months now and hav a problem while playing on world of warcraft, where my screen goes blank at random times and i cant move the mouse or press anything to get it going so i hav to hard boot the computer. sometimes it goes black and sometimes white just wondering if any1 could help me whith this problem as ive tried everything i no which aint alot but driving me mad now .

thnx .

 

[vectorsigma32]

is ur video onbord or card ?

 

[robodob]

screen goes blank

its a on board video card. if u mean its a built in graphics card

 

[mailpup]

...ive tried everything...

What are some of the things you've tried?

 

[vectorsigma32]

it probable be cause ur on Bord video is not good enf to play games u should never use on bord video for gamming they ually not granty enf XD