Sony PCG-F540 Primary User Manual page 83

Press the Windows key and D keys twice to refresh 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.
Contact the software publisher or designated provider for technical
support. See either the printed or the online version of Read Me First for a
complete list of phone numbers.
Make sure the computer is turned on.
Press the Eject button on the DVD-ROM drive.
If the Eject button does not work, you can open the tray by inserting a
sharp, pointed object into the hole to the right of the Eject button.
Make sure the label of the CD-ROM is facing up.
If the CD-ROM requires software, make sure the software is installed
according to the program's instructions.
Moisture condensation may have occurred. Leave the computer for at
least 1 hour while the computer is turned on.
Clean the CD-ROM.
Check the speaker volume.