Solving Audio Problems - HP Z1 Maintenance And Service Manual

Table 4-4 External display problems (continued)
Problem
monitors using an
analog VGA input
connection only.)
Some typed symbols
do not appear
correctly.

Solving audio problems

Table 4-5 Audio problems
Problem
Sound does not come
out of the speaker or
headphones.
Cause
The font you are using does not
support that symbol.
The graphics driver does is not
working properly or does not
support the symbol set with that
resolution.
Cause
Software volume control is
turned down.
The external speakers are
not turned on.
External speakers plugged
into the wrong audio jack.
Digital CD audio is
not enabled.
Headphones or devices
connected to the line-out
connector have muted the
internal speaker.
Volume is muted.
Computer is in Standby
mode.
Solution
Use the Character Map to locate and select the
appropriate symbol.
Select Start > All Programs > Accessories > System Tools
> Character Map. You can copy the symbol from the
Character Map into a document.
Try either solution:
Change the panel resolution in the Windows Control
●
Panel > Screen Resolution menu or through the
control panel for the graphics controller (Intel or
nVidia).
Install the latest graphics driver:
●
1. Boot into the OS and uninstall the graphics driver.
2. Restart the computer.
3. Install the latest graphics driver for your graphics
controller.
Solution
Click the Speaker icon on the taskbar and use the volume slider
to adjust the volume, and/or adjust the volume control in the
audio player.
Turn on the external speakers.
See your sound card documentation for proper speaker
connection.
Enable digital CD audio:
1. From the Control Panel, select Device Manager.
2. Right-click the DVD/CD-ROM device and select
Properties.
3. On the Driver Properties tab, select Enable.
Turn on and use headphones or external speakers, if
connected, or disconnect headphones or external speakers.
Click the Speaker icon on the taskbar and make sure the mute
button below the volume slider is not selected.
Press the power button to resume from Standby mode.
Troubleshooting scenarios and solutions 69