For the last several years I have been having this issue every day once I resume from hibernation. For example, this is what Firefox tabs look like:
What you see is actually 2 Firefox windows (one behind the other, with the one behind's tabs showing through the top one).
This applies to Chrome too, so it's not FireFox specific at all. In fact it applies to everything which has extended client area on their windows. That extended client area is either rendered completely transparent or black.
This applies to Windows 7, Windows 8, and Windows 8.1 - I have had exactly the same issue on all these OS-s with the same hardware.
Now, this will NOT happen after resume if you minimize all the windows (by clicking on the bottom right-most button in the taskbar to show desktop) BEFORE hibernating
Note: restarting DWM does not fix the problem. The only way to "fix" it is to restart all the affected apps themselves, which kinda defeats the purpose of hibernation.
I DO have the latest video drivers, in fact I update them regularly, but it does not seem to do a thing.
My setup is 3 monitors: Left - Intel HD Graphics 4000 - Intel Driver 10.18.10.4176 (30.03.2015) Right - the same as left Center - Nividi9a GeForce GTX 660 Ti - Nvidia Driver 9.18.13.5306 (27.05.2015)
The issue happens on ALL monitors.
NOTE: This is not a FireFox-specific issue or a bug. It happens with any / all programs left unminimized before hibernation that have their client area extended via DWM API.
One final observation is that after resuming from hibernation CPU usage seems to be higher in DWM and other apps that were NOT minimized PRIOR to hibernation.
Any ideas on how to tackle this?
