Battery
Description Spare part number
4cell, 70Whr, 4.55Ah, Li-ion battery 917724-855
Before disassembling the computer, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o 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.
Remove the battery:
WARNING! To reduce potential safety issues, use only the user-replaceable battery provided with the
computer, a replacement battery provided by HP, or a compatible battery purchased from HP.
CAUTION: Removing a user-replaceable 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.
1. Position the computer upside down on a at surface.
2. Loosen the captive Phillips screws (1).
3. Remove the remaining eight Phillips PM2.0×4.7 screws (2) from the bottom cover.
4. Using a case utility tool, gently separate the bottom cover from the enclosure (1).
Component replacement procedures 33