Aspire 4720, G, Z, 4320 Service Guide
Page 74
... diskette does not have any label attached to be tested. See if FDD Test is to it . Replace the external diskette drive/CD-ROM module. 3. Boot from the keyboard is required. Replace the main board. The label can cause damage to the drive or can cause damage to the drive ...from the diagnostics diskette and start the diagnostics program. 2. If the error still remains: 1. Do not replace a non-defective FRU: 1. The following to select the test device: 1. If the internal keyboard does not work or an unexpected character appears, make sure that the CD-ROM does not have more ...
... diskette does not have any label attached to be tested. See if FDD Test is to it . Replace the external diskette drive/CD-ROM module. 3. Boot from the keyboard is required. Replace the main board. The label can cause damage to the drive or can cause damage to the drive ...from the diagnostics diskette and start the diagnostics program. 2. If the error still remains: 1. Do not replace a non-defective FRU: 1. The following to select the test device: 1. If the internal keyboard does not work or an unexpected character appears, make sure that the CD-ROM does not have more ...
Aspire 4720, G, Z, 4320 Service Guide
Page 79
... Utility to reconfigure system time, then reboot system. CPU BIOS Update Code Mismatch 2. Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 68. Shadow RAM Failed at offset: nnnn BIOS ROM System board System RAM Failed at ...Battery Bad CMOS Checksum Error System disabled. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. "Load Default Settings" in BIOS Setup Utility. Keyboard locked - Unlock key switch Unlock external keyboard Monitor type does not match CMOS - System...
... Utility to reconfigure system time, then reboot system. CPU BIOS Update Code Mismatch 2. Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 68. Shadow RAM Failed at offset: nnnn BIOS ROM System board System RAM Failed at ...Battery Bad CMOS Checksum Error System disabled. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, then reboot system. "Load Default Settings" in BIOS Setup Utility. Keyboard locked - Unlock key switch Unlock external keyboard Monitor type does not match CMOS - System...