Lenovo 28155XU Laptop User Manual


 
1170 I/O sub card and base cover assembly
For access, remove these FRUs in order:
v “1010 Battery pack” on page 83
v “1020 Ultrabay Slim Media Bay device or travel bezel” on page 84
v “1030 Solid state drive (SSD) or hard disk drive (HDD)” on page 85
v “1050 PCI Express Mini Card for wireless LAN” on page 89
v “1060 PCI Express Mini Card for wireless WAN” on page 92
v “1070 Keyboard” on page 95
v “1090 Wireless USB adapter or Intel Turbo Memory” on page 101
v “1100 Palm rest or palm rest with fingerprint reader” on page 103
v “1110 Bluetooth daughter card (BDC-2)” on page 105
v “1120 Keyboard bezel and speaker assembly” on page 106
v “1130 5-in-1 Media Card Reader adapter” on page 110
v “1140 Bluetooth –wireless radio switch FPC” on page 111
v “1150 LCD unit” on page 113
v “1160 System board, fan assembly, and 34-mm ExpressCard slot frame” on page
117
Table 27. Removal steps of I/O sub card and base cover assembly
1
3
4
2
Step Screw (quantity) Color Torque
1 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.167 Nm
(1.7 kgfcm)
2 M2 × 6 mm, bind-head, nylon-coated (1) Black 0.167 Nm
(1.7 kgfcm)
Removing and replacing a FRU 123