HP ENVY Ultrabook 4-1019wm HP Envy 4 - Maintenance and Service Guide - Page 43

Battery, Turn the computer right-side up, with the front toward you.

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Battery Description 4-cell, 52WHr 3.55AH Li-ion battery Spare part number 681949-001 Before removing the battery, follow these steps: 1. Shut down 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 all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the display panel (see Display panel on page 31). 5. Remove the base enclosure (see Base enclosure on page 33). Remove the battery: 1. Turn the computer right-side up, with the front toward you. 2. Disconnect the battery cable. 3. Move the battery cable to the side (1), and then remove the 3 Phillips PM 2.5×4.2 screws (2) that secure the battery to the top cover. Component replacement procedures 35

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Battery
Description
Spare part number
4-cell, 52WHr 3.55AH Li-ion battery
681949-001
Before removing the battery, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the display panel (see
Display panel
on page
31
).
5.
Remove the base enclosure (see
Base enclosure
on page
33
).
Remove the battery:
1.
Turn the computer right-side up, with the front toward you.
2.
Disconnect the battery cable.
3.
Move the battery cable to the side
(1)
, and then remove the 3 Phillips PM 2.5×4.2 screws
(2)
that
secure the battery to the top cover.
Component replacement procedures
35