Sony VGC-V617G Manual

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Troubleshooting
Pointing Device
What should I do if the pointing device does not work? 
Try restarting your computer. Follow these steps:
1
Press the Windows key.
2
Press the U key. The Turn off computer window opens.
3
Press the R key to restart the computer.
If the computer does not restart, follow these steps:
1
Press the Ctrl+Alt+Delete keys simultaneously. The Windows Task Manager window appears.
2
Press and release the Alt key to highlight the menu bar, and press the 
,
 key to select Shut Down.
3
Press the Enter key.
4
Press the R key to restart the computer
If you still cannot restart your computer, press and hold the power button to turn off the computer.
If the pointer does not move while playing a disc, press the Ctrl+Alt+Delete keys simultaneously to stop playback and restart 
the computer.
If you are still experiencing problems, make sure another mouse is not installed.
You may have disabled the pointing device without connecting a mouse to the computer. See Using the Pointing Device (on 
Selected Models Only)