Fujitsu LIFEBOOK AH552 Operating Manual page 65

Error message/cause
CMOS battery bad
If the error message occurs repeatedly, the
buffer battery in the notebook is flat.
System CMOS checksum bad - default configuration
used
The system configuration information is
incorrect.
Extended memory failed at offset: xxxx Failing Bits:
zzzz zzzz
When testing the extended memory an error has
resulted at the address xxxx.
Failure Fixed Disk n
The settings of the hard disk drive are incorrect.
Keyboard controller error
Keyboard error
nn Stuck key
Operating system not found
Press <F1> to resume, <F2> to SETUP
This error message appears if an error occurs
during the self-test before starting the operating
system.
Previous boot incomplete - Default configuration
used Due to an error during the previous system
boot, default values were used for certain
settings. Check the settings in the BIOS Setup.
Real time clock error
nnnnK Shadow RAM failed at offset: xxxx Failing
Bits: zzzz
System battery is dead - Replace and run SETUP
Fujitsu
Resolution
► Contact your sales outlet or our customer
service centre.
► Switch the notebook off.
► Switch the notebook on.
► Press the function key
BIOS Setup.
► In the BIOS Setup, select the Exit menu.
► Select the entry Load Setup Defaults.
► Select OK and press the Enter key.
► Check whether the additional memory
module has been inserted correctly.
► Start the BIOS Setup (Primary Master
submenu) and select the correct settings.
► Switch the notebook off with the ON/OFF
switch.
► Wait 3 - 5 seconds and switch on the
notebook again.
If you are using an external keyboard:
► Check the connection and reboot the
notebook.
► Make sure that no key is pressed.
► Check in the BIOS Setup whether your hard
disk has been set correctly.
► Make sure that the operating system is
installed on the corresponding drive.
► Press the function key to start the
F1
operating system.
► Press the function key
BIOS Setup.
► Press the F1 function key when prompted
to do so.
► Contact your sales outlet or our customer
service centre.
► Contact your sales outlet or our customer
service centre.
► Contact your sales outlet or our customer
service centre.
Troubleshooting and tips
F2 to access the
F2 to access the
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