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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 optical disc drive 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 inserted since purchase.
❑ Check that you are using the supplied Sony AC adapter. For your safety, use only genuine Sony AC adapter, which is
supplied by Sony for your VAIO computer.
❑ Make sure your computer is not in Standby mode by pressing the power button.