M.2 2230 Wlan Card - Optional; Removing The M.2 2230 Wlan Card - Dell Precision 3431 Service Manual

3. Install the:
a) Hard drive and optical drive module
b) Front bezel
c) Side cover
4. Follow the procedure in

M.2 2230 WLAN card - optional

Removing the M.2 2230 WLAN card

1. Follow the procedure in
2. Remove the:
a) Side cover
b) Front bezel
c) Hard drive and optical drive module
3. To remove the M.2 2230 WLAN card:
a) Remove the screw (M2) that secures the WLAN card bracket and the WLAN card to the system board [1].
b) Slide and lift the WLANs card bracket off the WLAN card [2].
c) Disconnect the antenna cables from the WLAN card [3].
d) Slide and remove the WLAN card out of the WLAN card slot [4].
After working inside your computer.
Before working inside your computer.
Removing and Installing components 73