Lenovo L421, L520, L420 manual Rear view, Bottom view

Models: L420 L520 L421

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Rear view

7

6

1

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5

1

2

3

4

Combo audio jack

DisplayPort connector

eSATA/USB combo connector

RJ-45 (Ethernet) connector

5

6

7

External monitor connector

Security keyhole1

USB connector

1: In some models, the security keyhole is located on the right side of the computer.

Bottom view

7

6

1Battery pack

2Battery pack latch

3Docking connector (for some models)

4Thermal slot cover1

1

2

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4

5

5ExpressCard slot

6Wireless WAN card slot

7SIM slot

1: The DIMM, hard disk drive, and thermal module are located underneath the thermal slot cover.

114Hardware Maintenance Manual

Page 120
Image 120
Lenovo L421, L520, L420 manual Rear view, Bottom view