DeskBook B145, User Manual

Page: 86 / 104

5 Troubleshooting 76
No audio from the computer.
Check the following:
•
The volume may be muted. In Windows, look at the volume control icon on
the taskbar. If it is crossed-out, click on the icon and deselect the Mute
option.
• The speakers may be turned off. Press Fn-F5 to turn the speakers on (this
hotkey also turns the speakers off).
• The volume level may be too low. Adjust the level using the volume control
knob. In Windows, look at the volume control icon on the taskbar. Click on
the icon and adjust the level.
If headphones, earphones or external speakers are connected to the line-out port on
the computer’s left panel, the internal speakers automatically turn off.
External microphone does not work.
Check the following:
•
Make sure the external microphone is connected to the microphone-in jack on
the computer’s left panel.
• If you cannot hear playback, the speakers may be muted.
How do I eject the optical drive tray with the computer turned off?
There is a mechanical eject slot on the optical drive. Simply insert the tip of a pen
or paperclip and push to eject the optical drive tray.
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