Lenovo T420 - Manual (Page 108)

1190 Base cover assembly and DC-in connector cable
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 63
• “1020 ExpressCard blank bezel” on page 64
• “1030 Serial Ultrabay Enhanced device or travel bezel” on page 65
• “1040 Hard disk drive (HDD) and solid state drive (SSD)” on page 66
• “1050 DIMM slot cover” on page 69
• “1070 PCI Express Mini Card for wireless WAN” on page 71
• “1080 Keyboard” on page 73
• “1110 PCI Express Mini Card for wireless LAN” on page 81
• “1120 Keyboard bezel assembly, FPC cable, and Bluethooth daughter card” on page 83
• “1150 Speaker assembly” on page 91
• “1160 LCD unit” on page 93
• “1170 Fan assembly” on page 97
Removal steps of base cover assembly and DC-in connector cable
1
1
1
1
1
Step Screw (quantity) Color Torque
1 M2 × 8 mm, wafer-head, nylon-coated (5) Black 0.181 Nm
(1.85 kgfcm)
102 ThinkPad T420 and T420i Hardware Maintenance Manual