Before servicing ThinkPad T400s, T410s, and T410si
Removing the SIM card:
Some models of the ThinkPad T400s, T410s, and T410si you are servicing might have the SIM card that the customer has installed.
If the computer you are servicing has the SIM card, remove it before you start the servicing.
To remove the SIM card, you need to remove the battery pack first. (See “1010
Battery pack” on page 85.)
After you finish the servicing, make sure that you insert the card back into the slot firmly.
Notice on disconnecting the cable from
Some cables used in the ThinkPad T400s, T410s, and T410si are connected to the
When disconnecting the cable from those connectors, do as shown in this figure.
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84ThinkPad T400s, T410s, and T410si Hardware Maintenance Manual
