Graphic Cards HD6770 Problems (Corrupt Cursor | Screen fluctuation | PC hang )

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nikhilkdipsar

Contributor
PC Specs :
Processor: AMD Phenomâ„¢ II X4 925 Processor (4 CPUs), ~2.8GHz
Windows 7 Ultimate 64-bit
MOBO: Gigabyte GA-880GM-UD2H
Memory: Kingston 2x2 Gb DDR3 1333
HDD: WD Caviar Green 500 GB HDD
PSU: CoolerMaster 600W

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AMD catalyst version : 12.10

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Problem :

I bought this card in April 2012 , it was performing good , but recently from some time i am having problems in performance while gaming
I usually play Dota 2 , Counter strike `.6 , Counter strike Global offensive..
Nowdays

In dota 2 : frequently while gaming my cursor gets corrupted ingame , and my screen fluctuates and sometimes it hangs and i need to restart PC

In CS : previously i get 100 constant fps but now My fps is fluctuating very quickly ingame like from "50-60-70-80-90-100 > repeat this happens in a fraction of a second)"

In CS:GO : again my screen in fluctuating/blank screen pauses like changing channels in TV, Game hangs and i need to restart PC

I havnt done any overcloking or something like that my card is default like i got from vendor. I think its because of GPU card as i dont get display related problem when i am not gaming

Please help Thanks
 
As you are using latest drivers, I just want to know did this issue started after installing new drivers? If so, just try reverting back to old drivers and see whether the issue persists.
 
no , it was happening before as well (this problem started few weeks back), i read somwwhere that if i update catalyst version it will be resolved but it didnt
 
First try installing old drivers like 12.4 OR 12.8 Catalyst,If the issue still continues then try the GPU at some other machine else you won't know if the issue is in GPU or not,If your psu is of CM Extreme Power series then it's risky to keep that one,Try to replace it with Corsair CX430V2-2.4k when you can,Cheers.
nikhilkdipsar said:
dont have any friends with good PSU , u think its because of PSU ? or its some software/driver related issue ?
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