Dell Inspiron 15 3567 BIOS CMOS Battery Replacement

Push the battery-bay-release latch on the bottom of the laptop, sliding it to its unlocked position.

Remove the battery from the bay by pulling it upwards and at an angle.

Remove the 2x5mm screw that attaches the optical disk drive to the laptop’s plastic base cover.

Using a flat-headed screwdriver, push the optical disk drive assembly to the left until it pops out of the side of the laptop.

Slide the optical disk drive assembly completely out of the base of the laptop.

Remove the 2x3mm optical disk drive screw from the optical disk drive bracket located on the right side of the optical disk drive assembly.

Remove the optical disk bracket from the optical disk drive assembly.

Using a flat-headed screwdriver and the five tabs located at the top of the laptop’s keyboard, pry the laptop’s keyboard upwards, loosening the keyboard from the laptop’s palm-rest assembly.

Lift the keyboard off of the laptop's palm-rest assembly and place it upside down on top of the laptop's touch pad.

Open the latch securing the keyboard cable by pulling it upwards with a flat-headed screwdriver and disconnect the keyboard cable from the connector located on the system board.

Following the same process, disconnect the optical drive cable from the connector located on the system board.

Completely remove the keyboard from the laptop.

Remove the five 2x5mm screws that secure the metal base cover to the palm-rest assembly.

Remove the two 2x5mm screws located in the battery bay area.

Remove the eight 5x8mm screws located on the laptop's plastic base cover.

Remove the three 2x2mm screws located in the optical disk drive area.

Using a flat-headed screw driver, pry the laptop’s plastic base cover off the palm-rest assembly and remove it from the laptop.

Using a flat-headed screwdriver, release the latch under the CMOS CR2032 battery and gently pop the CMOS CR2032 battery out of its plastic holder.

Slide the new CMOS CR2032 battery back into its plastic holder.