Refer to “Lithium battery notice” on page x for information about replacing and disposing of the battery.
To change the battery:
1.Turn off the computer and all attached devices.
2.Remove the cover. See “Removing the cover” on page 9.
3.Locate the battery. See “Identifying parts on the system board” on page 10.
4.If necessary, remove any adapters that impede access to the battery. See “Installing adapters” on page 12 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 12 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 21.
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.
10.Use the IBM Setup Utility program to set the date and time and any passwords. See Chapter 5, “Using the IBM Setup Utility program,” on page 99.
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 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 10 for the location of the POV daughter card.
To erase a forgotten password:
1.Turn off the computer and all attached devices.
2.Remove the cover. See “Removing the cover” on page 9.
3.Locate the Clear CMOS/Recovery jumper on the system board. See “Identifying parts on the system board” on page 10.
4.If necessary, see “Installing adapters” on page 12 to remove any adapters that impede access to the Clear CMOS/Recovery jumper.
