Compaq Armada 7400 Reference Manual page 49

1. If the computer is turned on, turn it off or press the suspend
button. If there is hard drive or diskette activity, Suspend may
not occur instantly.
2. Tilt the computer at an angle so you can see the bottom of the
computer.
3. Slide the battery release latch
computer.
4. Remove the battery pack
on the bottom of the
.