Operation Manual
The computer does not detect the optional external optical drive
If your operating system does not detect an installed device, the device driver software may be missing or
corrupted.
1. Remove any discs from the optical drive.
2. Select Start > Control Panel, and then click System and Security.
3. Click Devices and Printers, and then click Device Manager.
4. In the Device Manager window, click the triangle next to DVD/CD-ROM drives. If the drive is listed, it
should be functioning correctly.
An optional external optical disc does not play
●
Save your work and close all open programs before playing a CD or a DVD.
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Log o the Internet before playing a CD or a DVD.
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Be sure that you insert the disc properly.
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Be sure that the disc is clean. If necessary, clean the disc with ltered water and a lint-free cloth. Wipe
from the center of the disc to the outer edge.
●
Check the disc for scratches. If you nd scratches, treat the disc with an optical disc repair kit available at
many electronics stores.
●
Disable Sleep mode before playing the disc.
Do not initiate Sleep while playing a disc. Otherwise, you may see a warning message asking if you want
to continue. If this message is displayed, click No. After you click No, the computer may behave in either
of the following ways:
◦
Playback may resume.
– or –
◦
The playback window in the multimedia program may close. To return to playing the disc, click the
Play button in your multimedia program to restart the disc. In rare cases, you may need to exit the
program and then restart it.
A movie is not visible on an external display
1. If both the computer display and an external display are turned on, press fn+f4 one or more times to
switch between the 2 displays.
2. Congure the monitor settings to make the external display primary:
a. From the Windows desktop, right-click on a blank area of the computer desktop, and select Screen
resolution.
b. Specify a primary display and a secondary display.
NOTE: When using both displays, the DVD image will not appear on any display designated as the
secondary display.
72 Appendix B Troubleshooting