Fujitsu Siemens Computers Fujitsu-Siemens PC - Manual (Page 96)

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• Check the display settings. You will find further information on
this subject in the operating instructions for your monitor.
The keyboard is producing characters other than those
shown on the keys.
• Check the display light on the keyboard to make sure that the
NUM LOCK or CAPS LOCK KEYS are not activated. The
relevant LED at the top right of the keyboard lights up.
Pressing the CAPS LOCK key again reverses the lock
(depending on the operating system).
• The operating system has been installed with a keyboard
driver which has a key layout different from that of your
language-specific keyboard. Refer to your operating system
manuals for information on changing the language-specific
keyboard.
Diskettes cannot be read / written to
(applies only to
systems with floppy disk drives)
• Make sure that the diskette is inserted correctly.
• If the drive LED does not light up when accessed, the internal
connections to the system unit or to the power supply may be
faulty.
• There may be an incorrect setting in the BIOS setup.
• Check whether the diskette is formatted and whether it is write-
protected.
• The diskette could also be defective.
The display "CMOS clear" appears
• The battery on the motherboard is flat.
Changing this battery is described in the documentation of the
motherboard.
Caution! If you are an inexperienced PC user, seek advice
from your dealer or have this battery changed by a
computer expert.