Your Windows Vista-based or Windows Server 2008-based portable computer crashes when a GPU mode transition occurs
Consider the following scenario:
- You run Windows Vista or Windows Server 2008 on a portable computer that has multiple hybrid graphics processing units (GPUs).
- A GPU mode transition occurs. This usually occurs when you unplug the AC power cord and the computer switches to power saving mode.
- You try to put the computer to sleep or into hibernation.
In this scenario, the computer crashes.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB972182.