Fixes:

Known Issues in Build 5421:
- World in Conflict - Part of the terrain is rendered as multicolored tetrahedrons

Issues Resolved in Build 5421:
- GetSupportedGraphicsModes() in the CUISDK is not passing the correct parameters
- When docking system with lid closed (and set to do nothing) to a dock with one or two DVI monitors attached, display does not switch to either one or both of the DVI displays.
- If external DP display is turned off first and system is shut down, during reboot, there is no display on external DP monitor when turnign on DP monitor after system is booted and at the log on screen.
- Screen display offset is not correct with some panels

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