Erasing A Lost Or Forgotten Password (Clearing Cmos) - IBM 8185 - ThinkCentre M50 - 256 MB RAM User Manual

configuration information (including passwords) are lost. An error message is
displayed when you turn on the computer.
Refer to "Lithium battery notice" on page x for information about replacing and
disposing of the battery.
To change the battery:
10. Use the IBM Setup Utility program to set the date and time and any

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 Access IBM on your desktop.
Note: Some computer models might have a POV daughter card installed on the
To erase a forgotten password:
1. Turn off the computer and all attached devices.
2. Remove the cover. See "Removing the cover" on page 82.
3. Locate the battery. See "Identifying parts on the system board" on page 83.
4. If necessary, remove any adapters that impede access to the battery. See
"Installing adapters" on page 85 for more information.
5. Remove the old battery.
6. Install the new battery.
7. Replace any adapters that were removed to gain access to the battery. See
"Installing adapters" on page 85 for instructions for replacing adapters.
8. Replace the cover, and plug in the power cord. See "Replacing the cover and
connecting the cables" on page 96.
Note: When the computer is turned on for the first time after battery
replacement, an error message might be displayed. This is normal after
replacing the battery.
9. Turn on the computer and all attached devices.
passwords. See Chapter 5, "Using the IBM Setup Utility program," on page 99.
system board. If this is the case, the password is stored in an EEPROM on
the POV card and can not be erased. See "Identifying parts on the system
board" on page 83 for the location of the POV daughter card.
1. Turn off the computer and all attached devices.
2. Remove the cover. See "Removing the cover" on page 82.
Chapter 4. Types 8189, 8190, 8194, 8195, 8415, 8432, and 8433
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