Lenovo ThinkPad X200s Hardware Maintenance Manual - Page 115
Screw quantity, Color, Torque, When installing, For ThinkPad X200s
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Table 25. Removal steps of system board, DC-in connector, fan, and ExpressCard slot assembly for ThinkPad X200s and X201s (continued) Make sure that the DC-in connector and the fan connector are attached to the system board firmly 4 5 6 7 8 Step 7 Screw (quantity) M2 × 3.5 mm, wafer-head, nylon-coated (1) Color Silver Torque 0.181 Nm (1.85 kgfcm) When installing: • Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a as in the following figure. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. You need to peel the thin film off from the rubber b . For ThinkPad X200s: b a Chapter 8. Removing and replacing a FRU 109