Sony PCG-GRT290ZP Handbuch

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Make sure another mouse is not installed. 

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If you are playing a disc, press the Ctrl+Alt+Delete keys simultaneously to stop playback and restart the computer. 

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If you still cannot use the pointer, restart the computer. You can restart the computer three different ways: 

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Press the Windows key 

, and press U. When the Shut Down window appears, press R, and then press Enter. 

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Press the Ctrl+Alt+Delete keys simultaneously. When the Windows Security window appears, press the Right

Arrow key 

to select Shut Down. Press Enter, then press R, and press Enter. 

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Press and hold the power button. When the computer turns off, press the power button again to restart the
computer.