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Repair information for the Lenovo ThinkPad P52s laptop. Released in 2018. Model number: 20LB0021US.

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How to add smart card reader, and nfc reader, and fingerprint sensor?

How do I add all of the optional upgrades to a p52s? Like smart card reader, nfc/rfid reader, fingerprint reader to my p52s?

Also side note how do I replace the antennas in a p52s? I'm trying to upgrade to better antennas like 8dbi internal antennas.

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Hi,

Here’s the hardware maintenance manual for the laptop.

Go to p.78 to view the necessary pre-requisite steps and then the procedure to remove NFC module and cable.

Go to p.85 to view the necessary pre-requisite steps and then the procedure to remove the fingerprint reader and fingerprint reader cable.

Go to p.88 to view the necessary pre-requisite steps and then the procedure to remove smart card reader or dummy smart card reader and smart reader cable.

Go to p.100 to view the necessary pre-requisite steps and then the procedure to remove the antenna kit.

This will show you how to install all the features by reversing the removal procedures for each one.

Here’s the parts list for the 20LB model laptop. Click on Select Commodity to find the part categories and then select the ones you want e.g. Cards Misc Internal (6), to get the part numbers for the components. Search online using the part number only, appropriate to what you want, to get results for suppliers.

Here’s the parts list for the 20LC model laptop, just in case there is a difference between the two model variants. I didn’t check whether there is or not.

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