Aspire 3680/5570/5580 Service Guide
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...System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. The system doesn't resume from the computer. LCD cover switch System board See...Hard disk connection board Hard disk drive System board See "Save to Disk (S4)" on page 45. Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings, then ... different from hibernation mode. Internal speakers make noise or emit no sound comes from standby mode after closing the LCD The system doesn't resume from actual size.
...System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. The system doesn't resume from the computer. LCD cover switch System board See...Hard disk connection board Hard disk drive System board See "Save to Disk (S4)" on page 45. Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings, then ... different from hibernation mode. Internal speakers make noise or emit no sound comes from standby mode after closing the LCD The system doesn't resume from actual size.