Sony VGN-UX180P - Manual (Page 137)

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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 battery is installed properly and charged.
❑ Make sure the floppy disk drive (if applicable) is empty.
❑ If your computer is plugged into a power strip or uninterruptible power supply (UPS), make sure the power strip or UPS
is plugged into a power source and turned on.
❑ If you are using an external display, make sure it is plugged into a power source and turned on. Make sure the brightness
and contrast controls are adjusted correctly. See the manual that came with your display for more information.
❑ Disconnect the AC adapter and remove the battery. Wait three to five minutes. Reattach the AC adapter and reinstall the
battery, and slide up the power switch (in the direction of
f on the switch) 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.
❑ Check that you are using the supplied Sony AC adapter. For your safety, use only genuine Sony rechargeable battery
packs and AC adapters, which are supplied by Sony for your VAIO computer.