Replacement Battery - Compaq Deskpro EN Series Maintenance & Service Manual

5.14

Replacement Battery

The battery that comes with your computer provides power to the real-time clock and has a
lifetime of about five years. When replacing the battery, use a CR2032 or equivalent 3-volt lithium
coin cell battery. To replace the battery:
1. Prepare the computer for disassembly (Section 5.4).
2. Remove the system unit cover (Section 5.7).
3. Tilt the drive cage to the upright position.
4. Remove the expansion board cage as required (Section 5.9).
5. Lift the battery out of its holder.
Removing the Coin Cell Battery
6. Slide the replacement battery into position with the "plus" side up.
The battery holder automatically secures the battery in the proper position.
7. Replace the computer cover.
8. Plug in the computer and turn on power.
9. If you normally lock the Smart Cover Lock, use Computer Setup to relock it.
10. Reset the date and time, your passwords, and any special system setups, using Compaq
Computer Setup. Refer to Chapter 2, "Software Reference."
!
WARNING: This computer contains a lithium-ion battery pack. There is a risk of fire and chemical burn
if the battery pack is handled improperly. Do not disassemble, crush, puncture, short external contacts,
dispose in water or fire, or expose it to temperatures higher than 60ºC (140ºF).
Compaq Deskpro EN Series, Small Form Factor and Net PC Models 5-25