HP Z1 Maintenance And Service Manual page 102

CAUTION:
board, even when the computer is turned off. Failure to disconnect the power cord can result in
damage to the system.
CAUTION:
equipment. Before beginning these procedures, be sure that you are discharged of static electricity by
briefly touching a grounded metal object.
1.
Access the jumper:
a. Shut down the operating system, turn off the computer and external devices, and then
disconnect the power cords from the computer and external devices.
b.
Disconnect any external devices.
c. Open the workstation.
d.
Locate the password header and jumper.
The password header is E49. The password jumper is blue so it can be easily identified.
2.
Remove the jumper from pins 1 and 2. Do not lose the jumper.
3. Restart the computer:
a.
Close the workstation.
b. Reconnect the AC power cord to the computer.
c.
Turn on the computer and wait for the workstation to display the HP splash screen.
4. Repeat step 1.
5.
Replace the jumper on pins 1 and 2.
6. Repeat step 3, except press the
7.
Use the setup utility to create new passwords.
94 Chapter 5 Configuring password security and resetting CMOS
When the computer is plugged in, the power supply has voltage applied to the system
Static electricity can damage the electronic components of the computer or optional
F10 key during startup to access Computer Setup (F10) Utility.