Sony PCG-GRT230 VAIO User Manual page 164

What do I do if the pointer doesn't move when I use the mouse?

Make sure another mouse is not installed.
 If you are playing a disc, press the Ctrl+Alt+Delete keys simultaneously to stop playback and restart the computer.
 If you still cannot use the pointer, restart the computer. You can restart the computer three different ways:

Press the Windows key

Press the Ctrl+Alt+Delete keys simultaneously. When the Windows Task Manager window appears, press
the Alt key to highlight the menu bar, and press the Right Arrow key
and then press R.

Press and hold the power button. When the computer turns off, press the power button again to restart the
computer.
, and press U. When the Turn Off Computer window appears, press R.
to select Shut Down. Press Enter,
Page 164