Download HP 425 - Notebook PC Service manual

Floppy Drive Problems (continued)
A
Clean boot:
Ctrl Alt Del, press
F5 during boot
Yes
Drive works
OK?
No
Done
Run short selftest twice
Yes
With original OB
turned on,
connect good
drive and cable
Can
you swap with known
good drive and
cable?
No
Yes
Suspect software
problem (proceed
to B)
Yes
Good drive
works OK?
Original drive
works OK?
Suspect software
problem
No
Done: Suspect
bad drive
No
With known good
OB turned on,
connect original
drive and cable
Yes
Drive passes
self-test OK?
With known good
OB turned on,
connect original
drive and cable
No
Yes
Original drive or
cable bad
Original OB base
unit bad
Original drive
works OK?
No
Suspect software
problem
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