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• The system board is sensitive to, and can be damaged by, electrostatic discharge. Before touching it,
establish personal grounding by touching a ground point with one hand or by using an electrostatic
discharge (ESD) strap.
Before servicing ThinkPad T530, T530i, and W530
Removal steps of SIM card
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 installed, remove it before you start the servicing.
To remove the SIM card, you need to remove the battery pack rst. See “1010 Battery pack” on page 68.
After you nish the servicing, make sure that you insert the card back into the slot rmly.
1010 Battery pack
Important notice for replacing a battery pack:
• The Lenovo Solution Center programprovides an automatic battery diagnostic test that determines if the
battery pack is defective. A battery pack FRU should not be replaced unless this diagnostic test shows
that the battery is defective. The only exception to this is if the battery pack is physically damaged or
a customer is reporting a possible safety issue.
• If the Lenovo Solution Center program is not installed in the computer, the customer should download this
program before a non-physically damaged battery pack is replaced. Note that a physically damaged
battery pack is not covered by the warranty.
Removal steps of battery pack
DANGER
Use only the authorized battery specied for your computer. Any other battery could ignite or
explode.
Unlock the battery latch and hold the battery latch in the unlocked position. Then, remove the battery pack.
68 Hardware Maintenance Manual