Speaker Failure - Acer Z5700 Series Service Manual

Speaker Failure

If the internal speaker fails, use the following flowchart to determine the required action:
Sound Problems
If sound problems are experienced, perform the following actions one at a time to correct the problem.
1. Reboot the computer.
2. Navigate to Start Control Panel System and Maintenance System Device Manager. Check
the Device Manager to determine that:
• The device is properly installed.
• There are no red Xs or yellow exclamation marks.
• There are no device conflicts.
• No hardware is listed under Other Devices.
3. Roll back the audio driver to the previous version, if updated recently.
4. Remove and reinstall the audio driver.
5. Ensure that all volume controls are set mid range:
a. Click the volume icon on the taskbar and drag the slider to 50. Ensure that the volume is not muted.
b. Click Mixer to verify that other audio applications are set to 50 and not muted.
6. Navigate to Start Control Panel Hardware and Sound Sound. Ensure that Speakers are selected
as the default audio device (green check mark).
NOTE: If Speakers does not show, right-click on the Playback tab and select Show Disabled Devices
(clear by default).
7. Select Speakers and click Configure to start Speaker Setup. Follow the onscreen prompts to configure
the speakers.
8. Remove and recently installed hardware or software.
Chapter 4
START
Speaker
function failure
Check speaker
NG
cable connection
OK
Check speaker
NG
module
OK
Reconnect
OK
cable correctly
NG
Replace
speaker
OK
module
NG
Replace
OK
Mainboard
160
Close
Close
Close