Sony VAIO VGN-SZ600 - Manual (Page 189)

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Troubleshooting
Mouse
What should I do if my computer does not recognize my mouse?
❑ Make sure your mouse is securely plugged into the port.
❑ Restart your computer with your mouse connected.
What should I do if the pointer does not move when I use my mouse?
❑ Make sure another mouse is not connected.
❑ If the pointer does not move while a software application is running, press the Alt+F4 keys to close the application window.
❑ If the Alt+F4 keys do not work, click Start, Turn Off Computer, and then Restart.
❑ If your computer does not restart, press the Ctrl+Alt+Delete keys and select Restart from the Shut Down menu.
❑ If this procedure does not work, press and hold the power button until the computer turns off.
!
Turning off your computer with the power button may cause loss of unsaved data.