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PSU failure or GPU failure?

PostPosted: Wed Sep 26, 2012 5:44 am
by foraquid
Hi,

I bought an MSI 7850 twin frozr III to replace my 6770, when I installed it however and tried to boot up no display came up whatsoever (no bios, nothing), although I could hear that the PC is still on. As a side detail not even the little LED in my mouse lit up. When I put my 6770 back in all was fine and normal. The reason I don't simply assume its the PSU is because from what I understand these cards have similar power requirements, any ideas? (btw my psu is an Antec 500W Continious power).