Troubleshooting – Sony SVD1121BPXB User Manual
Page 397
VAIO User Guide
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Troubleshooting
What should I do if the power indicator light turns
on in green when I press the power button but
the screen remains blank?
Make sure the brightness and contrast controls are adjusted correctly.
An external display may be selected as the display output.
Press the
Fn+F7 keys several times to select your desired display output, and then
press the
Enter key.
If you are using an external display, make sure it is plugged into an AC outlet and is on.
Make sure the brightness and contrast controls are adjusted correctly.
Refer to the manual that came with your display for information on how to change the
settings.
Press the
Alt+F4 keys several times to close the app window.
An app error may have occurred.
If you wait for a while and the computer screen remains blank, restart your VAIO
computer by following the procedures below in order. Note that following these
procedures may cause working data to become corrupted.
Disconnect all peripheral devices, such as a printer or a USB device, and your VAIO
computer from the network, if any.
Press and hold down the (Power) button for more than four seconds and make sure
the power indicator light is off. Then, turn on your VAIO computer again.
If the problem persists, reset the battery pack.
Press and hold down the (Power) button for more than four seconds and make sure
the power indicator light is off. Disconnect all cables connected to your VAIO computer,
such as the AC adapter, and push and hold the battery off button for three to five
seconds with a thin, straight object (such as a paper clip).
Wait about five minutes and then put all cables back in place and turn on the computer
again.
If you bring your VAIO computer directly from a cold location to a warm one, or use it in a
high humidity location, moisture may condense inside the computer.
In such a case, allow at least one hour before turning on the computer.
Do not use the computer in a high humidity location (a relative humidity of more than 80
%), as it may cause the computer to malfunction.
© 2012 Sony Corporation
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