HP 280 G1 MT/Intel HD4600 Dual Monitor DVI Problem Finally Resolved

Personally I’d been fighting this Intel HD 4600 DVI/dual monitor issue for several months now, but at the time I had bigger fish to fry, so I kept putting it off until today. Those poor people on the Intel forums have been complaining about this issue for like three or four years now because “they weren’t able to reproduce the issue”, very sad. Indeed it is a very strange problem. Initially I was convinced it was strictly a driver problem, but now I think it may be some sort of weird driver/OS oddity.

If you’re unfamiliar with the issue, there are multiple threads out there on the Intel forums and several I’ve seen on the HP forums as well. The problem is that after a system reboot, the display on the DVI port is no longer detected and all you get is a black screen. The second monitor is not detected in the operating system whatsoever and the monitor shows no input signal. Right after the initial installation of the display driver, dual monitors would work, but only until the next system reboot. One workaround for this issue was to uninstall/reinstall the display driver and just never reboot the machine again, which totally sucked donkey balls. Continue reading “HP 280 G1 MT/Intel HD4600 Dual Monitor DVI Problem Finally Resolved”