Acer Aspire 1640Z and 1650Z Service Guide
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... System board See "S4 Sleeping State" on page 28. DIMM System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. LCD cover switch System board See "S4 Sleeping State" on page 28. Action in Sequence Power Management-Related Symptoms Symptom / Error The system...standby mode after closing the LCD The system doesn't resume from actual size. LCD cover switch System board Chapter 4 80 Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings, then reboot system. ...
... System board See "S4 Sleeping State" on page 28. DIMM System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. LCD cover switch System board See "S4 Sleeping State" on page 28. Action in Sequence Power Management-Related Symptoms Symptom / Error The system...standby mode after closing the LCD The system doesn't resume from actual size. LCD cover switch System board Chapter 4 80 Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings, then reboot system. ...