Resetting The Setup And Power-On Password - HP Pro 4300 Maintenance And Service Manual

Resetting the Setup and Power-on Password

To disable the power-on or setup password features, or to clear the power-on or setup passwords,
complete the following steps:
1. Shut down the operating system properly, then turn off the computer and any external devices,
and disconnect the power cord from the power outlet.
2. With the power cord disconnected, press the power button again to drain the system of any
residual power.
WARNING!
sure to disconnect the power cord from the wall outlet, and allow the internal system
components to cool before touching.
CAUTION:
the system board even when the unit is turned off. Failure to disconnect the power cord can
result in damage to the system.
Static electricity can damage the electronic components of the computer or optional equipment.
Before beginning these procedures, ensure that you are discharged of static electricity by briefly
touching a grounded metal object. See the Regulatory, Safety and Environmental Notices guide
for more information.
3. Remove the access panel.
4. Locate the header and jumper labeled PW.
NOTE:
the password jumper and other system board components, see the Illustrated Parts & Service
Map (IPSM). The IPSM can be downloaded from http://www.hp.com/support.
5. Remove the jumper.
6. Replace the jumper.
7. Replace the access panel.
8. Reconnect the external equipment.
9. Plug in the computer and turn on power. Allow the operating system to start. This clears the
current passwords and disables the password features.
10. Establish the new passwords in Computer Setup. See
for information.
118 Chapter 9 Password Security and Resetting CMOS
To reduce the risk of personal injury from electrical shock and/or hot surfaces, be
When the computer is plugged in, the power supply always has voltage applied to
The password jumper is blue so that it can be easily identified. For assistance locating
Computer Setup (F10) Utility on page 9