How do to wake up the second screen after computer fell asleep

We have win 7 x 64 ultimate systems with two monitors in several floors in the building.

We often spend the system sleep when we go to meetings. When we return, we wake up the system, but only the #1 screen is active, and #2 display will be black. We can only get display #2 will be active, after that shut down the system and boot the system again.

These systems were under Vista before and double active poster awake after sleep.

What can we do to create the active #2 display?

Boring, but it worked for me...

  1. Device Manager > graphics cards
  2. Disable all video cards
  3. Turn on all video cards

Tags: Windows

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