I just bought an MA78GM-US2H board, installed a Athlon 64x2 5000+, 2 GB Crucial memory, and a 9800GT graphics card. I disabled the onboard graphics and installed the latest NVIDIA drivers. Windows will boot, but when it gets to the desktop, I lose all video. My LCD just says "No Input." The same version of the driver in Linux works flawlessly. The same setup with an older motherboard worked flawlessly. Any ideas?
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Do you have "Init Display First" on the "Advanced BIOS Features" page set to "PEG"?