Aspire 3100 - 5100 - 5110 Service Guide
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...Error System cannot detect the PC Card (PCMCIA). DIMM System board Speaker-Related Symptoms Symptom/Error In Windows, multimedia programs, no sound. Action in Sequence PCMCIA slot assembly System board PCMCIA slot assembly Memory-Related Symptoms Symptom / Error Memory count (size) appears different... enter hibernation. The system does not enter hibernation mode and four short beeps every minute. See Power System Check. Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute Load Default Settings, then reboot system....
...Error System cannot detect the PC Card (PCMCIA). DIMM System board Speaker-Related Symptoms Symptom/Error In Windows, multimedia programs, no sound. Action in Sequence PCMCIA slot assembly System board PCMCIA slot assembly Memory-Related Symptoms Symptom / Error Memory count (size) appears different... enter hibernation. The system does not enter hibernation mode and four short beeps every minute. See Power System Check. Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute Load Default Settings, then reboot system....