Maintenance and Service Guide

Battery
Description Spare part number
3.70-V, 3850-mAh, Li-ion battery (includes cable) 724536-001
Before removing the battery, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see
Bottom cover on page 23).
5. Remove the rear cover (see
Rear cover on page 26).
6. Disconnect the battery cable (see
Hard drive on page 27).
7. Remove the hard drive (see
Hard drive on page 27).
8. Remove the cover bracket (see
X-axis capacitor board on page 33).
9. Remove the display stand recess (see
Display stand recess on page 41).
WARNING! To reduce potential safety issues, use only the battery provided with the computer, a
replacement battery provided by HP, or a compatible battery purchased from HP.
CAUTION: Removing a battery that is the sole power source for the computer can cause loss of
information. To prevent loss of information, save your work or shut down the computer through
Windows before removing the battery.
Remove the battery:
1. Release the ZIF connector (1) to which the power button board ribbon cable is attached, and
then disconnect the power button board ribbon cable from the system board.
2. Detach the power button board ribbon cable (2) from the battery. (The power button board
ribbon cable is attached to the battery with double-sided adhesive.)
3. Release the wireless antenna cables from the routing clips (3) and channels built into the
battery.
44 Chapter 4 Removal and replacement procedures