Aspire 5220/5520/5520G Service Guide
Page 85
... "Keyboard or Auxiliary Input Device Check" on page 87. Run Setup Run "Load Default Settings" in Sequence Failure Fixed Disk Reconnect hard disk drive connector. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 87. System CMOS checksum bad - Index of Error...nnnn DIMM System board System battery is specified. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. Default configuration used RTC battery Run ...
... "Keyboard or Auxiliary Input Device Check" on page 87. Run Setup Run "Load Default Settings" in Sequence Failure Fixed Disk Reconnect hard disk drive connector. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 87. System CMOS checksum bad - Index of Error...nnnn DIMM System board System battery is specified. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. Default configuration used RTC battery Run ...
Aspire 5220/5520/5520G Service Guide
Page 96
..." on the computer. 5. Remove or disconnect all attached devices are found, replace the FRU. 3. Power-on page 88.): 1. If the problem remains, replace the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard disk drive T DIMM T CD-ROM/Diskette drive Module T PC Cards 4. Visually check them for damage. If any problems...
..." on the computer. 5. Remove or disconnect all attached devices are found, replace the FRU. 3. Power-on page 88.): 1. If the problem remains, replace the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard disk drive T DIMM T CD-ROM/Diskette drive Module T PC Cards 4. Visually check them for damage. If any problems...