Dell XPS M170 MXG051 XPS/Inspiron M170 Service Manual - Page 49

3 cable connector for internal card with Bluetooth wireless technology 4 speaker connector 5 subwoofer connector 24. Remove the three M2.5 x 5-mm screws from the system board. 1 system board M2.5 x 5-mm screws (3) 25. Remove the system board, slowly easing the connectors out of their access holes on the back and side of the computer base: a. With the back of the computer facing you, grasp the upper-right corner of the system board and lift it slightly. b. Pull the system board assembly away from you toward the front of the computer and slightly to the right; at the same time, use your left hand to release the audio connectors by carefully pulling the side of the computer base slightly to the left. c. Grasp the lower-right corner of the system board and slide it toward the right to remove the system board from the computer base. 1 system board assembly Replacing the System Board 1. Perform all of the steps in "Removing the System Board" in reverse order. NOTICE: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. 2. Turn on the computer. 3. Insert the flash BIOS update program CD that accompanied the replacement system board into the optical drive. Follow the instructions that appear on the screen. 4. Enter the system setup program to update the BIOS on the new system board with the computer Service Tag sequence.