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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.
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Use a T5 Torx screwdriver to remove the eight 5 mm screws securing the back cover to the chassis.
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Lift the back cover up and off the device.
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Use a Phillips #00 screwdriver to remove the eight 4 mm screws securing the battery to the motherboard.
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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.
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Lift and remove the battery from the device.
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Carefully disconnect the pin connector from the right side of the speaker assembly.
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Use a Phillips #1 screwdriver to remove the two 6 mm black screws securing the speakers to the device.
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Lift the speakers up and out.
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Carefully disconnect the coin cell battery cable located under the motherboard.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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