Aspire 4720, G, Z, 4320 Service Guide
Page 87
...(S4)" on page 38. LCD cover switch System board Chapter 4 81 Action in Sequence See "Save to Disk (S4)" on page 38. Touchpad Keyboard Hard disk connection board Hard disk drive System board See "Save to Disk (S4)" on page 38. Action in Sequence Power Management-Related ...Symptoms Symptom / Error The system will not enter hibernation The system doesn't enter hibernation mode and four short beeps every minute. Audio driver Speaker System board Speaker System board Action in Sequence PCMCIA slot assembly System board PCMCIA slot assembly Memory-Related Symptoms Symptom / Error Memory ...
...(S4)" on page 38. LCD cover switch System board Chapter 4 81 Action in Sequence See "Save to Disk (S4)" on page 38. Touchpad Keyboard Hard disk connection board Hard disk drive System board See "Save to Disk (S4)" on page 38. Action in Sequence Power Management-Related ...Symptoms Symptom / Error The system will not enter hibernation The system doesn't enter hibernation mode and four short beeps every minute. Audio driver Speaker System board Speaker System board Action in Sequence PCMCIA slot assembly System board PCMCIA slot assembly Memory-Related Symptoms Symptom / Error Memory ...
Aspire 4720, G, Z, 4320 Service Guide
Page 88
... board NOTE: If you cannot find a symptom or an error in Sequence Reconnect the keyboard cable. USB does not work correctly. Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly. Remove battery pack and let it cool for 2 hours...
... board NOTE: If you cannot find a symptom or an error in Sequence Reconnect the keyboard cable. USB does not work correctly. Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly. Remove battery pack and let it cool for 2 hours...