Sony VGC-JS450F - Manual (Page 89)

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Troubleshooting >
Computer
What should I do if the green power indicator light turns on but my screen remains blank?
❑ Press the Alt+F4 keys several times to close the application window. An application error may have occurred.
❑ Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart.
❑ Press and hold the power button for more than four seconds to shut down your computer. Unplug the AC adapter and
leave the computer for about five minutes. Then, plug the AC adapter and turn on the computer again.
!
Turning off your computer with the Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data.
What should I do if my computer or software stops responding?
❑ If your computer stops responding 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 and the Shut down button to turn off your computer.
❑ If your computer does not turn off, press the Ctrl+Alt+Delete keys and click the Shut down button.
If the Windows Security window appears, click Shut Down.
❑ If this procedure does not work, press and hold the power button until the computer turns off.
!
Turning off your computer with the Ctrl+Alt+Delete keys or the power button may cause loss of unsaved data.
❑ Unplug the AC adapter. Wait three to five minutes. Plug the AC adapter again and press the power button to turn on your
computer.
❑ Try reinstalling the software.
❑ Contact the software publisher or designated provider for technical support.