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MAINTENANCE & SERVICE GUIDE
for Prosignia 150 Series Computer
Index Page Preface -or- Notice Specifications Battery Pack
Product Description Illustrated Parts Catalog Troubleshooting Removal & Replacement
Troubleshooting
Clearing the Power-on Password
*
>Preliminaries
>Clearing
CMOS
>Power-on
Self-test
>Compaq
Diagnostics
>Diagnostic
Error codes
>Test Utilities
>Solving
Minor
Problems
>Contacting
Compaq
*
Clearing the
power-on
password
requires
removing all
Setup
attributes
that are
programmed
in the CMOS.
The
RTC
battery is
located on
the system
board.
If the
password is
not known,
clear it by
performing
the following
steps:
1. Turn off
the
computer.
2. Disconnect
the power
cord.
3. Remove
the battery
pack.
4. Remove
the Palmrest
Cover with
Touch Pad.
5. Remove
the
heatspreader.
6. Remove
the keyboard.
7. Remove
RTC battery
for 30
seconds and
replace it .
8.
Reassemble
the
computer.
9. Turn on
the computer
to verify that
the power-on
password has
been cleared.
If it has not
been cleared,
repeat Steps
1 through 9.
Revised: September 16, 1999