Simultaneous display/multi-display does not work.
Make sure that you turn on the external monitor before turning on the
computer.
ress the Fn+F5 hot key to toggle through the display options or change
the Display Settings Properties in Windows.
DVD Drive Problems
The DVD drive cannot read a disc.
Make sure that the disc is correctly seated in the tray, with the label
facing up.
Make sure that the disc is not dirty. Clean the disc with a disc cleaning
kit, available in most computer stores.
Make sure that the computer supports the disc or the files contained.
You cannot eject a disc.
The disc is not properly seated in the drive. Manually release the disc by
inserting a small rod, such as a straightened paperclip, into the drive's
manual eject hole and pushing firmly to release the tray
Hardware Device Problems
The computer does not recognize a newly installed device.
The device may not be correctly configured in the BIOS Setup program.
Run the BIOS Setup program to identify the new type.
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Troubleshooting