Lenovo L420 Laptop User Manual


 
Table 31. Removal steps of USB connector board and USB cable assembly (continued)
For ThinkPad L420 and L421 models:
2040 DC-in cable and base cover
For access, remove these FRUs in order:
“1010 Battery pack” on page 57
“1020 ExpressCard blank bezel and Media Card blank bezel” on page 58
“1030 Optical drive or travel cover” on page 60
“1040 Thermal cover” on page 61
“1050 Hard disk drive or solid state drive assembly” on page 62
“1060 DIMM” on page 65
“1070 Fan assembly” on page 66
“1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 71
“1110 mSATA solid state drive” on page 73
“1120 Palm rest assembly with cables” on page 74
“1130 PCI Express Mini Card for wireless LAN” on page 78
“1160 Media Card Reader slot board and Media Card Reader cable assembly” on page 81
“1170 Keyboard” on page 83
“1180 Keyboard bezel” on page 85
“1190 LCD unit” on page 87
“2010 Top shielding assembly” on page 90
“2020 System board assembly” on page 93
100 Hardware Maintenance Manual