HP Compaq CQ58, Maintenance And Service Manual

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Battery
Description Spare part number
6-cell, 55-Whr, 2.55-Ah Li-ion battery 593554-001
6-cell, 47-Whr, 2.20-Ah Li-ion battery 593553-001
Before disassembling the computer, 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.
To remove the battery:
1. Turn the computer upside down on a flat surface.
2. Slide the battery release latch (1) to release the battery.
NOTE: The battery release latch automatically returns to its original position.
3. Pivot the battery (2) upward and remove it (3) from the computer.
To insert the battery:
1. Align the tabs on the rear edge of the battery with the notches on the rear edge of the battery bay.
2. Pivot the front edge of the battery down into the battery bay until it is seated. (The battery release latch
will automatically lock into place.)
ENWW Component replacement procedures 39