Sony VAIO Viao PictureBook Computer User Manual page 128

VAIO® Computer User Guide
If you cannot restart your computer as described in the step above, press and
❑
hold the power button for at least four seconds to turn off the computer.
If the pointer does not move while playing a disc, press the Ctrl+Alt+Delete
❑
keys (at the same time) to stop playback and restart the computer.
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