A Disc Does Not Play; A Movie Is Not Visible On An External Display - HP EliteBook 820 User Manual

●
To enable or disable a wireless or wired network device, right-click the Network Connection icon on the
Windows desktop in the notification area, at the far right of the taskbar. To enable devices, select the
check box from the menu option. To disable the device, clear the check box.
● Be sure that the wireless device is turned on.
● Be sure that the computer wireless antennas are free from obstructions.
● Be sure that the cable or DSL modem and its power cord are properly connected and that the lights are
on.
● Be sure that the wireless router or access point is properly connected to its power adapter and to the
cable or DSL modem, and that the lights are on.
● Disconnect and then reconnect all cables, and turn the power off and then back on.

A disc does not play

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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
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:
secondary display.
When using both displays, the DVD image will not appear on any display designated as the
fn+f4 one or more times to
Resolving issues 97