Official GIGABYTE Forum

Gigabyte z77x-ud3h does not support dual monitors in Win7? Defective?

Hi all,

I'm trying to run two monitors in Win7 using my Gigabyte z77x-ud3h. If I install NO drivers, I get a mirrored display; if I install either the Gigabyte Intel VGA driver or the native Intel driver, however, I get dual monitor performance... but only when the driver is freshly installed and the computer is still on.

If I restart or reboot, Win7 "forgets" the second monitor and only uses the VGA monitor.

If I uninstall the drivers and disconnect the VGA monitor, Windows will use the DVI monitor with no drivers installed.

But if I install the drivers again, Windows -- even if the VGA monitor has never been connected -- will "use" the VGA monitor and the DVI monitor will stay dark.

Is the motherboard defective? Or is this something about Windows 7?