Sony VGNSZ640N02 Laptop User Manual


 
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Troubleshooting
What should I do if a BIOS error appears when I turn on my computer?
If the message "Press <F1> to resume, <F2> to setup" appears at the bottom of the screen, follow these steps:
1 Press the F2 key.
The BIOS setup screen appears. If not, restart the computer and press the F2 key several times when the VAIO logo
appears.
2 Set the date (month/day/year). Press the Enter key.
3 Press the
m key to select System Time, and then set the time (hour: minute: second). Press the Enter key.
4 Press the
, key to select the Exit tab, and then press the F9 key.
At the confirmation prompt, press the Enter key.
5 Select Exit Setup, and press the Enter key.
At the confirmation prompt, press the Enter key.
Your computer restarts.
If this occurs frequently, contact an authorized Sony Service Center. To find the nearest center or agent, see Sony Support
Information (page 210) or visit the Sony online support Web site.
What should I do if the power indicator (Green) lights but my screen stays blank?
Follow these steps:
1 Press and hold the power button for more than four seconds to check that the power indicator goes out. Then turn on your
computer again.
2 If your computer screen still stays blank, unplug the AC adapter, remove the battery pack, and leave the computer for
about a minute. Then reinstall the battery pack, plug in the AC adapter, and turn on the computer again.