Next I try putting my 7970m's back into the computer and guess what, still a black internal display. The flash was successful, but still a dead internal display. For some reason, after the flash windows stopped detecting the internal display.Īt this point I decide to flash back to the original vbios to try and fix the issue. I plug the computer into an external monitor via HDMI, and it works. The computer boots into windows fine, but the internal display is black. I flashed the card, restarted my computer, and all I get is a black screen. I decided to flash Prema's custom GTX 970m vbios which is supposed to take care of that issue. The only problem was the throttling due to the TDP limit imposed by the vbios. I got the first card in the mail and installed it without any problems. I recently bought two GTX 970m's to replace the 7970m CFX setup in my p-377sm-a.
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