Erasing A Lost Or Forgotten Password (Clearing Cmos) - IBM 622138U - IntelliStation Z - Pro 6221 User Manual

10. Turn on the computer and the monitor.
11. After the update session completes, turn off the computer and monitor.
12. Remove the diskette from the diskette drive.
13. Disconnect all power cords; then, remove the computer cover.
14. Return the boot block recovery jumper to pins 1 and 2.
15. Reinstall the computer cover; then, reconnect all external cables and power
16. Turn on the computer to restart the operating system.

Erasing a lost or forgotten password (clearing CMOS)

This section applies to lost or forgotten passwords. For more information about lost
or forgotten passwords, see "Using Access IBM" on page 13.
Complete the following steps to set the CMOS recovery jumper and erase a
forgotten password:
10. Turn on the computer. The Configuration/Setup Utility program starts.
11. Follow the instructions to erase the existing password or create a new
12. Select Save Settings and press Enter.
9. Insert the POST/BIOS update (flash) diskette into the diskette drive. You can
download a file to create this diskette from http://www.ibm.com/pc/support on
the World Wide Web. For more information, see Appendix A, "Getting help and
technical assistance" on page 93.
cords and turn on the peripheral devices.
1. Review the safety information beginning on page vii and "Handling
static-sensitive devices" on page 28.
2. Turn off the computer and all attached devices.
3. Unplug the power cord.
4. Remove the side cover and support bracket. (See "Removing the side cover"
on page 31 and "Removing and installing the support bracket" on page 33.)
5. Locate the CMOS recovery jumper (JBAT1) on the system board, removing
any adapters that impede access to the jumper. The illustration on page 88
shows the location of the jumper on the system board.
6. Move the CMOS recovery jumper from pins 1 and 2 to pins 2 and 3.
7. Wait 60 seconds; then, return the CMOS recovery jumper to pins 1 and 2
8. Replace any adapters that were removed; then, replace the support bracket
and replace the side cover. (See "Removing and installing the support bracket"
on page 33 and "Replacing the side cover" on page 53.)
You can now start the computer one time without having to use the power-on
password and start the Configuration/Setup Utility program. At this time, you
can either delete the old password or set a new user password. If you do not
change or delete the password, the next time you start the computer the
original user password will be reinstated.
9. Connect the computer to a power source, keyboard, monitor, and mouse.
password.
Chapter 5. Solving problems
89