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I/O sub card and base cover assembly removal and installation - ThinkPad T400s, T410s, T410si
I/O sub card and base cover assembly removal

For access, remove these FRUs, in order:

I/O sub card and base cover assembly removal steps 1, 2, 3 and 4.

StepScrew (quantity)ColorTorque
1M2 x 4 mm, bind-head, nylon-coated (1)Black0.181 Nm (1.85 kgfcm)
2M2 x 6 mm, bind-head, nylon-coated (1)Black0.181 Nm (1.85 kgfcm)


I/O sub card and base cover assembly installation

Note: Applying labels to the base cover.

The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following labels:

8Blind sheet L
14Homologation label

Following labels need to be peeled off from the old base cover, and need to be put on the new base cover.

1Serial number label
2SIM ICCID label
3Brazil ANATEL Bluetooth label
4Brazil ANATEL wireless LAN label
5Asset tag label
6Mac address label
7Windows license label (COA)
9Ericsson wireless WAN label
10Qualcomm Wireless WAN label
11Israel label
12SIRM label
13LMA label

For some models, you also need to apply one or two FCC labels. Check the old base cover; if it has one or two FCC labels, find duplicates of them in the label kit and apply them to the new base cover.

For the location of each label, refer the following figure:

Base cover label location

Purchase parts online

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

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Document ID : PD005506
Legacy Document ID : MIGR-72782
Last Updated :
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