Screen Rotation Shortcut For Vista

Supported OS: Windows XP Tablet Edition

Supported Graphic Card: Intel Graphic Card

Note: "complementary with ..." means if the combination does not function, try the other combination after "with".

Ctrl-Alt-Up: -180 degress (complementary with Ctrl-Alt-Down)

Ctrl-Alt-Right: 90 degrees (complementary with Ctrl-Alt-Left)

Ctrl-Alt-Down: +180 degrees (complementary with Ctrl-Alt-Up)

Ctrl-Alt-Left: 270 degree (complementary with Ctrl-Alt-Right)

To disable it:

On XP: Start >> Control Panel >> Display >> Settings >> Advanced >> Intel Graphics >> Graphics Properties >> Hot Keys >> Disable the combination

On Vista : Start >> Control Panel >> Personalization >> Display Settings >> Advanced Settings >> Intel Graphics >> Graphics Properties >> Hot Keys >> Disable the combination

Reference: Link

Faster Shutdown Using Command Line

Command: shutdown -f -t 0

Execute this line either by using the Run dialog in windows (Windows Key+R or Start-->Run)
or by using the command prompt.

-f stands for forced
-t stands for time

Other shortcut commands:
shutdown.exe -s -t 0
Shuts down the computer as if you clicked start--->stop--->shutdown

shutdown.exe -r -t 0
Restarts the computer as if you clicked start--->stop--->restart