HP EliteBook Folio 1040 G1 Notebook PC - Manual (Page 86)

An optional external optical disc does not play
● Save your work and close all open programs before playing a CD or a DVD.
● Log off the Internet before playing a CD or a DVD.
● Be sure that you insert the disc properly.
● Be sure that the disc is clean. If necessary, clean the disc with filtered water and a lint-free cloth.
Wipe from the center of the disc to the outer edge.
● Check the disc for scratches. If you find 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. Configure 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.
The process of burning an optional external disc does not begin, or it stops
before completion
● Be sure that all other programs are closed.
● Turn off Sleep mode.
● Be sure that you are using the right kind of disc for your drive.
● Be sure that the disc is inserted properly.
● Select a slower write speed and try again.
● If you are copying a disc, save the information on the source disc to your hard drive before trying
to burn the contents to a new disc, and then burn from your hard drive.
76 Appendix B Troubleshooting