IBM X220 User Manual
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Table 22. Removal steps of DC-in connector, base cover, fan, digitizer pen case, and pen switch assembly (continued)
4
4
4
4
Step
Screw (quantity)
Color
Torque
4
M2 × 3.5 mm, wafer-head, nylon-coated (4)
Silver
0.181 Nm
(1.85 kgfcm)
(1.85 kgfcm)
5
6
7
When installing:
Make sure that the wireless switch is adjusted as shown by callout
a
.
86
ThinkPad X220 Tablet and X220i Tablet Hardware Maintenance Manual