Sony PCG-F420 Primary User Manual page 71

Press the arrow keys to select Get Default Values and then press
the Enter key. The message "Load default configuration now?"
appears.
Check that Yes is selected, then press the Enter key.
Press the arrow keys to select Exit (Save Changes) and then press
the Enter key. The message "Save configuration changes and exit
now?" appears.
Check that Yes is selected, then press the Enter key. The computer
restarts.
If your computer still displays the message "Operating system not
found" and Windows does not start, contact Sony Customer Support.
❑
Check that the computer is plugged into a power source and that it is
turned on. Check that the power indicator on the front panel of the
computer is on.
❑
Check that the battery packs are inserted properly and that they are
charged.
❑
The computer may be in LCD (Video) Standby mode. Press any key
to activate the display.
Use the controls on your external display to adjust the image. See the
manual supplied with your display for more information.
❑
Try restarting the computer. On the Windows taskbar, click the Start
button, click Shut Down, and then click Restart the computer.
❑
If you cannot restart as described in the preceding step, you can
restart the computer by pressing Ctrl+Alt+Delete.
❑
If the previous step does not work, press the power button and hold it
for at least four seconds. This turns off the power.
❑
If your computer locks up while playing a DVD-ROM/CD-ROM,
stop the DVD-ROM/CD-ROM, and restart the computer by pressing
Ctrl+Alt+Delete.
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