No problem M3RK. Sorry it didn't work out. The more I read, the more I feel lucky to have gotten mine worked out. Take care.

M3RK,

That sucks! Well, it does sound like you are making progress though.
When you install the NVIDIA drivers are you using Windows Update or GeForce Experience?
If you are using GeForce...

M3RK,
Have you had any luck yet? Just curious.

M3RK,
Okay, here is where the iGPU settings are located on my ASUS Sabertooth Z77 board.

Advanced>>>System Agent Configuration>>>Graphics Configuration>>>Primary Display
The 3 choices are Auto...

For some reason, it seams that W10 is not integrating the NVIDIA drivers properly, In my situation, I had updated the NVIDIA drivers to the latest 353.62 before doing the W10 upgrade. Even so, I...

No problem M3RK, happy to help.

Another thing you might want to try is to physically remove the two graphics cards and plugging a monitor into the integrated graphics port on your MB's I/O panel. ...

Are you able to boot into Safe mode? I have read that some people have boot into safe mode, uninstalled the NVIDIA drivers, then reboot and used Windows Update to install the new NVIDIA drivers. ...

When you used the HDMI cable or VGA cable, did you remember to change the input source in your monitor's settings?

M3RK
have you tried booting with only a single monitor connected via DVI to your top graphics card, that is, the card located in your primary PCI16 slot?

I doubt it will help; your problem does...

PROBLEM: W10 boots to black screen, no curser
SYSTEM: ASUS Sabertooth Z77 / i7 3770K / GTX570 in SLI and GTX550Ti / 16GB DDR3
STATUS: Solved (for me anyway)

I updated to W10 last night only to...