Introduction
Use this guide to replace the coin cell battery on the HP Elitebook 1040 G4. The coin cell battery is essential in laptops to retain certain system settings, such as date and time, while the device is powered off. If you are experiencing problems regarding the time settings or other internal system settings, you may need to replace the coin cell battery.
To complete this guide, you will need a T5 Torx head screwdriver and a Phillips #1 and #00 screwdriver.
Before beginning, be sure to completely power off and unplug your computer.
Tools
-
-
Use a T5 Torx screwdriver to remove the eight 5 mm screws securing the back cover to the chassis.
-
-
-
Use a Phillips #00 screwdriver to remove the eight 4 mm screws securing the battery to the motherboard.
-
-
-
Use a plastic spudger to carefully disconnect the battery pin connector from its port, slowly lifting the pin connector from each side until it releases.
-
-
-
Use a Phillips #1 screwdriver to remove the two 6 mm black screws securing the speakers to the device.
-
Lift the speakers up and out.
-
To reassemble your device, follow these instructions in reverse order.