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Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide 77
CMOS
Miscellaneous
Message Displayed Description
CMOS Date/Time Not
Set
The CMOS date and/or time are invalid. This error can be resolved by readjusting
the system time in AMIBIOS Setup.
CMOS Battery Low CMOS battery is low. This message usually indicates that the CMOS battery needs
to be replaced. It could also appear when the user intentionally discharges the
CMOS battery.
CMOS Settings
Wrong
CMOS settings are invalid. This error can be resolved by using AMIBIOS Setup.
CMOS Checksum
Bad
CMOS contents failed the Checksum check. Indicates that the CMOS data has
been changed by a program other than the BIOS or that the CMOS is not retaining
its data due to malfunction. This error can typically be resolved by using AMIBIOS
Setup.
Message Displayed Description
KBC BAT Test failed Keyboard controller BAT test failed. This may indicate a problem with keyboard
controller initialization.
Keyboard Error Keyboard is not present or the hardware is not responding when the keyboard
controller is initialized.
PS/2 Keyboard not
found
PS/2 keyboard support is enabled in the BIOS setup but the device is not detected.
PS/2 Mouse not
found
PS/2 mouse support is enabled in the BIOS setup but the device is not detected.
Keyboard/Interface
Error
Keyboard controller failure. This may indicate a problem with system hardware.
Unlock Keyboard PS/2 keyboard is locked. User needs to unlock the keyboard to continue the BIOS
POST.
System Halted The system has been halted. A reset or power cycle is required to reboot the
machine. This message appears after a fatal error has been detected.
<INS> Pressed Indicates that <INS> key is pressed during the BIOS POST. The POST will load and
use default CMOS settings.
Password check
failed
The password entered does not match the password set in the setup. This condition
may occur for both Supervisor and User password verification.
Unknown BIOS error.
Error code = 004Ah
This message is displayed when ADM module is not present in the AMIBIOS8
ROM.
Unknown BIOS error.
Error code = 004Bh
This message is displayed when language module is not present in the AMIBIOS8
ROM.
Floppy Controller
Failure
Error in initializing legacy Floppy Controller.