Rear View; Bottom View - Lenovo ThinkPad L420 Hardware Maintenance Manual

Rear view

1
Combo audio jack
2
DisplayPort connector
3
eSATA/USB combo connector
4
RJ-45 (Ethernet) connector
1
: In some models, the security keyhole is located on the right side of the computer.

Bottom view

1
Battery pack
2
Battery pack latch
3
Docking connector (for some models)
4 1
Thermal slot cover
1
: The DIMM, hard disk drive, and thermal module are located underneath the thermal slot cover.
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Hardware Maintenance Manual
5
External monitor connector
6 1
Security keyhole
7
Always On USB connector
5
ExpressCard slot
6
Wireless WAN card slot
7
SIM slot