Latitude 3190 Owner's Manual

Removing system board

1. Follow the procedure in Before working inside your computer.
   NOTE For Latitude 3190, the system board is secured to the palm rest with five M2x3 screws. Technicians should take note that the four M2x3 screws that secure the thermal plate to the system board do not have to be removed to remove the system board from the system

   NOTE The latitude 3190 does not have a heat sink and fan assembly. However, the CPU is covered by a thermal plate and aluminum shielding which should not be disassembled from the system board.
2. Remove the:
   1. base cover
   2. battery
   3. SSD card
3. Disconnect the following cables:
   1. coin cell battery cable [1]
   2. Audio cable [2]
   3. speaker cable [3]
   4. keyboard cable [4]
   5. touch pad cable [5]
   6. power connector cable [6]
   
4. To remove metal bracket on the system board:
   1. Remove the two M2x3 screws that secure the IO bracket to the system board [1].
   2. Lift the IO bracket from the system board [2].
   
5. To remove the metal bracket (WLAN and display cable):
   1. Remove the M2x3 screw and lift the metal bracket that secures the WLAN card on the system board [1, 2]
   2. Disconnect the WLAN cables [3].
   3. Remove the two M2.0 x 3.0 screws and lift the metal bracket that secures the display cable on the computer [4, 5]
   4. Lift the latch, and disconnect the display cable [6]
   
6. To remove the system board:
   1. Remove the five M2x3 screws that secure the system board on the palm rest assembly [1].
   2. Lift the system board off the palm- rest assembly [2].