Acer DynaVivid Graphics Dock Technical Information PDF herunterladen (Seite 144)

134 Chapter 4

Internal Speaker Failure

If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace

non-defective FRUs:

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.

Start

Check M/B SPK

cable

Re-assemble the

SPK cable to M/B

Check Logic

Upper/Logic

upper

Swap Logic

lower/Logic upper

Swap M/B