Lenovo ThinkPad T400 Hardware Maintenance Manual - Page 122
For R400 switchable graphics models, When attaching the fan assembly to the frame
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Table 23. Removal steps of fan assembly (continued) - For R400 switchable graphics models: a b a v Make sure that the fan connector is attached firmly. v When attaching the fan assembly to the frame, take care not to damage the heat sink ( b ) of the fan assembly. b b 114 ThinkPad T400 and R400 Hardware Maintenance Manual
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Table 23. Removal steps of fan assembly (continued)
-
For R400 switchable graphics models:
a
a
b
v
Make sure that the fan connector is attached firmly.
v
When attaching the fan assembly to the frame, take care not to damage the
heat sink (
±b²
) of the fan assembly.
b
b
114
ThinkPad T400 and R400 Hardware Maintenance Manual