i bought thermaltake smartm 850w and xfx radeon r7 260x. everything works fine with my old graphics card. but once i put the new on in, it starts up but doesnt beep. just black screen.
mobo: MSI USA H61M-P23 (B3)
cpu intel i5 2400 3.10Ghz
gpu: xfx radeon r7 260x / using atm radeon hd 6670
os: windows 8.1 pro 64 bit
mobo: MSI USA H61M-P23 (B3)
cpu intel i5 2400 3.10Ghz
gpu: xfx radeon r7 260x / using atm radeon hd 6670
os: windows 8.1 pro 64 bit