To Replace The Battery - HP OmniBook 4150 Reference Manual

CAUTION
Managing Battery Power
Monitoring Battery Power

To replace the battery

If you have any unsaved data, it (and your current work session) will be lost when
you remove the battery unless the computer is connected to ac power. Also, you
should wait at least 3 seconds after inserting the battery before you unplug the ac
adapter.
1. Important. Save your work.
2. Plug in the ac adapter.
–or–
From the Start menu, shut down the OmniBook.
3. Slide the battery bay release latch forward as far as it will go.
4. Gently pull the release latch back until the battery pops out.
5. Grasp the underside of the battery firmly and pull out.
54 Reference Guide