1090 Sim Slot Cover - Lenovo ThinkPad L420 Hardware Maintenance Manual

When installing: Place the CPU above the CPU socket, and then rotate the head of the screw in the
direction shown by arrow a to secure the CPU.

1090 SIM slot cover

For access, remove this FRU:
• "1010 Battery pack" on page 57
Removal steps of SIM slot cover
Note: Loosen the screw 1 , but do not remove it.
1
Some models 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.
After you finish the servicing, make sure that you insert the card back into the slot firmly.
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Chapter 8 Removing and replacing a FRU