i just brought a powercolor ati hd 4850.
but the card is highly unstable.
the screen gets blank and the system does not respond
for a short period and get an error message from ati.
I tried it in both XP and Vista Sp1.
I hav used Ati driver 9.5 and 8.5.
Waht is the problem with my system...
I Brought a ZEBRONICS REAL WATTS PRO-550
Is This Enough for a Palit NVIDIA GeForce GTX 260 Core 216 896MB GDDR3 Sonic Edition Graphics Card
Please Help.....:)