I have a new Windows 7 (64) PC which has built-in graphics on its (MSI H61M-P31/W8 (MS-7788)) motherboard. I have also added an NVIDIA GeForce 8500 GT graphics card, which is working fine, driving two monitors.
Now I wish to have a third monitor attached to the motherboard graphics, but it appears that my system doesn't know of the existence of the motherboard graphics. If I look at "Display Adapters" in Device Manager, I only see the NVIDIA card. What have I done wrong?
EDIT: There was a similar question on SU here, but the accepted answer did not indicate exactly what to do to make it work, i.e., no mention of BIOS settings.