IBM A50 User Manual

Contents

Refer to “Lithium battery notice” on page x for information about replacing anddisposing 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 andconnecting the cables” on page 23.Note: When the computer is turned on for the first time after batteryreplacement, an error message might be displayed. This is normal afterreplacing 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 anypasswords. See Chapter 4, “Using the IBM Setup Utility program,” on page 77.Erasing a lost or forgotten password (clearing CMOS)This section applies to lost or forgotten passwords. For more information aboutlost or forgotten passwords, see Access IBM on your desktop.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 thatimpede access to the Clear CMOS/Recovery jumper.5. Move the jumper from the standard position (pins 1 and 2) to themaintenance or configure position (pins 2 and 3).22 User Guide