IBM 2292 User Manual

Also see for 2292: Hardware Maintenance Manual Hardware Maintenance Manual Guías del usuario Guide d'utilisation Manual do utilizador

Contents

Appendix A. Changing the batteryYour computer has a special type of memory that maintains the date, time, andsettings for built-in features, such as parallel-port assignments (configuration). Abattery keeps this information active when you turn off the computer.The battery normally requires no charging or maintenance throughout its life;however, no battery lasts forever. If the battery fails, the date, time, andconfiguration information (including passwords) are lost. An error message isdisplayed when you turn on the computer.Refer to “Lithium battery notice” on page vi for information about replacing anddisposing of the battery.To change the battery:1. Turn off the computer and all attached devices.2. Unplug the power cord and remove the cover. See “Removing the cover” onpage 17 (small desktop model), “Removing the cover” on page 29 (desktopmodel), or “Removing the cover” on page 41 (microtower model).3. Locate the battery. See“Identifying parts on the system board” on page 18(small desktop model), “Identifying parts on the system board” on page 30(desktop model), or “Identifying parts on the system board” on page 43(microtower).4. If necessary, remove any adapters that impede access to the battery. See“Installing adapters” on page 20 (small desktop model), “Installing adapters”on page 32 (desktop model), or “Installing adapters” on page 45 (microtowermodel) 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 20 (small desktop model), “Installing adapters”on page 32 (desktop model), or “Installing adapters” on page 45 (microtowermodel) for instructions for replacing adapters.8. Replace the cover, and plug in the power cord. See “Replacing the cover andconnecting the cables” on page 26 (small desktop model), “Replacing the coverand connecting the cables” on page 38 (desktop model), or “Replacing thecover and connecting the cables” on page 52 (microtower model).© Copyright IBM Corp. 2001 59