HP omnibook 4000 Service Manual

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Fixed disk read failure -press Fl to retry boot (or may
also say press Fl to retry boot, F2 for SETUP utility)
The fixed disk may be configured incorrectly or is
defective.
Internal cache test failed -cache is disabled
Faulty cache memory in the 80486 processor chip.
Pointer device failure
The mouse failed.
No boot device available -Press Fl to retry boot (or
may also say, press Fl to retry boot, F2 for SETUP
utility)
Either diskette drive A:, the fixed disk, or both the
diskette and disk are defective.
Message
Possible Cause
No boot sector on fixed disk - press Fl to retry boot
(or may also say, press Fl to retry boot, F2 for
SETUP utility)
The C: drive is not formatted or is not bootable.
Not a boot diskette - press Fl to retry boot (or may
also say, press Fl to retry boot, F2 for SETUP utility)
The diskette in drive A: is not formatted as a
bootable diskette.
No timer tick interrupt
The timer chip has failed.
xxxxxh Option ROM checksum failure where xxxxxh
is the starting address of the option ROM
The peripheral card contains a defective ROM.
Shutdown failure
Either the keyboard controller is not accepting the
reset command or the associated reset logic has
failed.
Time of day not set - run SETUP program
Clock not set.
Timer 2 failure
The timer chip has failed.
F2 to enter ROM-based SETUP
Invalid configuration information must be changed.
Invalid configuration  information - please run
SET'UP
Display adapter is configured incorrectly.  Memory
size is incorrect.  Wrong number of diskette drives.
Other configuration errors.
Keyboard clock line failure
The keyboard, the keyboard cable connection, or
the keyboard controller is defective.
Keyboard data line failure-
The keyboard controller firmware has failed.
Keyboard controller failure
The keyboard controller firmware has failed.
Keyboard stuck key failure
A key is jammed.
Memory failure at hex-value, read hex-value,
expecting hex-value
Circuitry associated with the memory chips has
failed.
Unexpected interrupt in protected mode
Hardware interrupt or NMI occurred while in
protected mode.
Real time clock failure
The RTC or battery failed.