1–4
Maintenance and Service Guide
Product Description
1.2 Resetting the Computer
If the computer you are servicing has an unknown password,
follow the steps below to reset the password. These steps also
clear CMOS.
✎
The following steps will not clear an unknown password if the
stringent security option has been enabled in the BIOS. If
stringent security is enabled, the system board must be replaced
to reset an unknown password. Refer to
Section 5.23, “Serial
Connector Module,”
for more information on replacing the
system board.
Before replacing the system board, perform the steps below to
make sure stringent security has been properly enabled.
Enabling stringent security provides enhanced protection for the
power-on password and administrator password and other forms
of power-on authorization. Stringent security is enabled/disabled
by accessing the Password Options menu in the Computer Setup
utility.
Refer to
Section 2.1, “Computer Setup,”
for more
information.
1. Prepare the computer for disassembly (refer to
Section 5.3,
“Preparing the Computer for Disassembly,”
for more
information). Remove the real-time clock (RTC) battery
(refer to
Section 5.14, “RTC Battery,”
for more information
on removing and replacing the RTC battery).
2. Wait approximately 5 minutes.
3. Replace the RTC battery and reassemble the computer.
4. Connect AC power to the computer. Do not reinsert any
batteries at this time.
5. Turn on the computer.
All passwords and all CMOS settings have been cleared.
Summary of Contents for Compaq nw8440
Page 56: ...3 4 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 58: ...3 6 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 60: ...3 8 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 62: ...3 10 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 64: ...3 12 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 66: ...3 14 Maintenance and Service Guide Illustrated Parts Catalog Computer Major Components ...
Page 68: ...3 16 Maintenance and Service Guide Illustrated Parts Catalog 3 3 Plastics Kit ...
Page 70: ...3 18 Maintenance and Service Guide Illustrated Parts Catalog 3 4 Mass Storage Devices ...
