System Board; Removing The System Board - Dell Latitude 3420 Service Manual

System board

Removing the system board

Prerequisites
1. Follow the procedure in
2. Remove the microSD-card.
3. Remove the SIM card tray
4. Remove the base cover.
5. Remove the battery.
6. Remove the memory module.
7. Remove the M.2 SSD.
8. Remove the hard-disk drive
9. Remove the WLAN card.
10. Remove the heatsink
About this task
System board connectors
NOTE: The location of the memory module may vary depending on your system.
1. System fan cable connector
3. Memory module connector
5. Power adapter port connector
7. Keyboard cable connector
9. Battery cable connector
11. USB cable connector
13. WLAN card connector
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
before working inside your
for 4G LTE enabled systems.
for systems shipped with hard-disk drive.
assembly.
computer.
2. I/O cable connector
4. Display cable connector
6. Keyboard backlit LED cable connector
8. Touchpad cable connector
10. Hard-disk drive cable connector
12. Speaker cable connector
14. M.2 SSD connector
Removing and installing components 77