Aspire 7720 / 7720G Service Guide
Page 83
...offset: nnnn DIMM System board System battery is specified. Incorrect password is dead - "Load Default Settings" in BIOS Setup Utility. Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 72. Unlock key switch Unlock external keyboard Monitor type ...system. CPU BIOS Update Code Mismatch 2. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 72. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. Thermal critical High In this situation BIOS...
...offset: nnnn DIMM System board System battery is specified. Incorrect password is dead - "Load Default Settings" in BIOS Setup Utility. Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 72. Unlock key switch Unlock external keyboard Monitor type ...system. CPU BIOS Update Code Mismatch 2. Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 72. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. Thermal critical High In this situation BIOS...
Aspire 7720 / 7720G Service Guide
Page 94
.... 2. Visually check them for damage. If any problems are found, replace the FRU. 3. Determine if the problem has changed. 6. 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. Remove or disconnect all attached devices are...
.... 2. Visually check them for damage. If any problems are found, replace the FRU. 3. Determine if the problem has changed. 6. 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. Remove or disconnect all attached devices are...