Lenovo L421 Laptop User Manual


 
Rear view
2
3
4
1
6
7
5
1 Combo audio jack
5 External monitor connector
2 DisplayPort connector
6 Security keyhole
1
3 eSATA/USB combo connector 7 USB 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
2
4
5
6
67
3
1 Battery pack
5 ExpressCard slot
2 Battery pack latch 6 Wireless WAN card slot
3 Docking connector (for some models) 7 SIM slot
4 Thermal slot cover
1
1
: The DIMM, hard disk drive, and thermal module are located underneath the thermal slot cover.
114 Hardware Maintenance Manual