Acer Aspire Z3620 Acer Aspire Z3620 Desktop Service Guide - Page 123
Component Failure, Sound Problems
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Component Failure If a component fails, use the flowchart to perform the following: Component Failure Touch Screen Failure Wireless LAN Failure Speaker Failure Camera Failure ODD Failure Component pass Test component on test bed Change cables Yes Cable connected properly? Component fail Yes NO Replace Mainboard Replace module according to procedure Close Close Figure 4-4. Component Failure Sound Problems Perform the following: 1. Boot the computer. 2. Navigate to StartControl PanelSystem and MaintenanceSystemDevice 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. If updated recently, roll back the audio driver to the previous version. 4. Remove and reinstall the audio driver. 113