Acer aspire help is it my ati radeon graphics card?

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Guest

Guest
Hello

i current have an acer aspire everything is stock hardware apart from my graphics card. my cpu is amd phenom quad core 9550
GPU is ati radeon 4870 dual sonic edition.
my PSU is a stock Sparkle FSP400-60THA-B/THA-B204 400W ATX12V 2.0
my problem is that i just wanna create a decent gaming rig and atm im having trouble on wat part i should change in my pc as i get noticeable lag on steam with a really old game

the only game i can run full spec smoothly is grand theft auto san andreas. do i need a better power suply please write specificly and detailed

please help
 
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Guest

Guest
The resolution in which im gaming on is not higher then that i can ensure.

i run both grand theft auto and stalker (the older game) at the same resolution(1440x900)
 
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Guest

Guest
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