HP ZBook 14 Mobile An external device is not working, Wireless network connection is not working

An external device is not working

Follow these suggestions if an external device does not function as expected:

●Turn on the device according to the manufacturer's instructions.

●Be sure that all device connections are secure.

●Be sure that the device is receiving electrical power.

●Be sure that the device, especially if it is older, is compatible with the operating system.

●Be sure that the correct drivers are installed and updated.

The wireless network connection is not working

If a wireless network connection is not working as expected, follow these suggestions:

●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

●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.

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