Feature Changed: 1. Disable Intel VT-d for display garbage issue. Issue Fixed: 1. DF344982: PK-U:show garbage on Media Center window frame when use different size of memory. 2. DF349345: PK-U:it will show garbage when open more solitaire games w/different size memory. Feature Changed: 1. Fix some keys on internal KB lose function while perform Delldiag Video test. 2. Not to power on when lid close. 3. Modify SMBus read-block function for stability.