Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 108
...-Related Symptoms Symptom / Error Memory count (size) appears different from actual size. System board See "Check the Battery Pack" on page 91. Action in Sequence Power source (battery pack and power adapter). Audio driver Speaker System board Speaker System board Action in Sequence See "Save to Disk...See "Power System Check" on page 92. Hold and press the power switch for more than 4 seconds. Battery pack System board PCMCIA-Related Symptoms Symptom / Error System cannot detect the PC Card (PCMCIA) PCMCIA slot pin is from the computer. Internal speakers make noise or emit no sound...
...-Related Symptoms Symptom / Error Memory count (size) appears different from actual size. System board See "Check the Battery Pack" on page 91. Action in Sequence Power source (battery pack and power adapter). Audio driver Speaker System board Speaker System board Action in Sequence See "Save to Disk...See "Power System Check" on page 92. Hold and press the power switch for more than 4 seconds. Battery pack System board PCMCIA-Related Symptoms Symptom / Error System cannot detect the PC Card (PCMCIA) PCMCIA slot pin is from the computer. Internal speakers make noise or emit no sound...
Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide
Page 110
...not isolate non-defective FRU). Remove or disconnect all attached devices are incorrect, whether a short circuit is suspected, or whether the system is detected, replace the FRU. NOTE: Verify that there are found, replace the FRU. 3. If the problem does not recur, reconnect the removed... If the problem remains, replace the following FRU one at the time of the failure is detected, do the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module ...
...not isolate non-defective FRU). Remove or disconnect all attached devices are incorrect, whether a short circuit is suspected, or whether the system is detected, replace the FRU. NOTE: Verify that there are found, replace the FRU. 3. If the problem does not recur, reconnect the removed... If the problem remains, replace the following FRU one at the time of the failure is detected, do the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module ...