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MAINTENANCE & SERVICE GUIDE
PROSIGNIA NOTEBOOK 190
INDEX PAGE PRODUCT DESCRIPTION LEGAL NOTICE HOW TO USE THIS GUIDE
REMOVAL & REPLACEMENT ILLUSTRATED PARTS CATALOG TROUBLESHOOTING SPECIFICATIONS
Troubleshooting
Clearing the Power-on Password (CMOS)
>Preliminaries
>Clearing
Password
>POST
>Compaq
Utilities
>Troubleshooting
without
Diagnostics
>Contacting
Compaq
Clearing the
power-on
password
requires
removing all
Setup
attributes that
are
programmed in
the CMOS.
If the
password is
not known,
clear it by
performing the
following
steps:
1
Prepare the
computer
for
disassembly.
2
Remove the
keyboard.
3
Remove the
LED cover.
4
Disconnect
the RTC
battery
cable from
the system
board
.
5
Remove the
battery from
the
computer
.