Sony VGN-U750P - Manual (Page 41)

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Using your VAIO computer
The pointer does not move
Depending on the application in use, the pointer may temporarily freeze.
Wait for a while and try again. If the pointer sill does not move, proceed as follows to turn off or restart your computer.
1 Press <Ctrl>+<Alt>+<Delete> simultaneously.
The Windows Task Manager window appears.
2 Press <Alt>+<U> simultaneously, use <R> or <r> to choose Turn off or Restart, and then press <Enter>.
If this procedure does not work, slide the POWER switch in the direction of the arrow and hold it for at least four seconds until the
computer turns off.
The pointer moves on its own while I'm not touching the multi-pointer
Remove the folding keyboard and connect it back to your computer. It takes some time for your computer to detect the connected
folding keyboard. Allow a few seconds before using the multi-pointer on the keyboard.
My computer responds to click when I touch the multi-pointer
The Press-to-Select function of the multi-pointer on the folding keyboard is enabled. Disable the function.