Sony VAIO VGC-RA940GN3, User Manual

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Troubleshooting
Computer
What should I do if my computer does not start?
❑
Make sure your computer is securely plugged into a power source and turned on. Make sure the power indicator shows
the power is on.
❑
Make sure the floppy disk drive (if applicable) is empty.
❑
Make sure the brightness and contrast controls are adjusted correctly.
❑
Disconnect the AC adapter. Wait three to five minutes. Reattach the AC adapter and press the power button to turn on
your computer.
❑
Condensation may cause your computer to malfunction. If this occurs, do not use the computer for at least one hour.
❑
Remove any extra memory modules you may have installed since purchase.
❑
Check that you are using the supplied Sony AC adapter. For your safety, use only the genuine Sony AC adapter, which is
supplied by Sony for your VAIO computer.
❑
Make sure your computer is not in Sleep mode by pressing the power button on the computer or the sleep button on the
wireless keyboard or the remote commander. If you press and hold the power button for more than four seconds, your
computer will turn off automatically.