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"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models: 1683,1685, 1887, 1688 and 1690
United States June 27, 2004
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Maintenance & Service Guide for Presario 1600 Series
(Models 1683-1694)
| Home Page | Notice | Preface | Product Description | Troubleshooting |
Illustrated Parts Catalog |
Removal & Replacement Procedures | Specifications | Pin Assignments | Battery
Pack Operations
Troubleshooting
Clearing the CMOS
Password
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
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...01685%201687%201688%201690%201694/ponpass.html (1 of 2)6/27/2004 2:57:43 AM