Mouse; Speakers - Sony VAIO VGN-TZ100 Series User Manual

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, the arrow next to the Lock button, and Restart to restart your computer.
If your computer does not restart, press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and
Restart.
If the Windows Security window appears, click Restart.
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.

Speakers

What should I do if my external speakers do not work?
Make sure your speakers are properly connected and the volume is turned up loud enough to hear sound.
Make sure your speakers are designed for computer use.
If your speakers have a muting button, set the button to off.
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Troubleshooting