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Video card clocks

Last response: in Graphics & Displays
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:hello: 

my 4890 has been tripping out with my new board, ram and cpu... i have a vantec ion2 520watt PSU and was thinking it might be that although windows thinks its a driver fail( i have unistalled drivers and got new ones(using driver sweeper and add/remover programs)

i want to underclock my GPU by 30mhz on core and 40mhz on memory using the CCC overdrive.

is this okay as it will only be temporary until i findout what the problem is.

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Graphics card Master

What do u mean by "tripping" ?
crash? errors?

i never heard of vantec PSU, it seems not reliable...
What driver's version did u use? Have u try with the latest or the older one?
Graphics card Master

Did u check the card temps?
U can try on your friend's computer(make sure he has a good PSU) to make sure whether the games are still freeze or not. If it yes then it's your card is in trouble.

No need 1200W of PSU, u just need a good brands(like Corsair, OCZ, Antec, SilverStone, etc)
Also make sure all of the power connector cables are properly inserted. :) 
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i ran ATItool and scanned for artifacts, it said 0 errors and then my PC froze up(nothing would happen on the screen except my mouse would move) and then the screen went blank and i restarted.

what could the problem be? :( 
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