Hdd Failure; Fdd Failure; Battery Failure - Digital Equipment HiNote VP 500 Series Service Manual

HDD Failure

Problem
When you try to access the HDD, one of the
following conditions occur:
•
There is a message indicating that the HDD
doesn't exist.
•
You can't read from the HDD.
•
You can't write to the HDD.

FDD Failure

Problem
The Notebook's power is on. The HDD is
functioning correctly. When you try to access
the FDD, one of the following conditions
occurs:
•
You can't read from the FDD.
•
You can't write to the FDD.
•
You can't hear the FDD motor spinning,
and the LED indicator light isn't on.

Battery Failure

Problem
The Notebook's AC power works. When trying
to use battery power, the Notebook doesn't
operate. However, when the AC Adapter is
connected, the battery charge indicator flashes.
Troubleshooting Procedure
•
Check to make sure that the BIOS settings
are correct. Refer to Chapter 2 for BIOS
information.
•
Make sure that the HDD connection is
secure.
•
Install the HDD into another Notebook and
test it.
•
If the HDD works in a test Notebook, the
HDD controller on the motherboard is
probably bad. Test the motherboard.
Troubleshooting Procedure
•
Make sure the FDD is properly seated.
•
Switch to a different floppy disk and try
again. Make sure that the floppy isn't write
protected.
•
Clean the FDD's heads.
•
Change the FDD and test again.
•
If the FDD is OK, than there is probably an
I/O chipset failure. Replace the main
board.
Troubleshooting Procedure
•
Make sure that the battery contacts are in
good condition.
•
Make sure that the battery terminals are
clean. If need be, clean the terminals with
contact cleaner.
•
Change the battery and try again.
•
Check to make sure that the AC power
supply (the AC adapter and AC adapter
cord) are OK. If they are not supplying the
correct voltage, it could damage the system.
Digital HiNote VP 500 Service Guide 3–5
Troubleshooting