Introduction
Follow this guide to replace a broken or damaged base cover (or back cover) for your Lenovo ThinkPad T16 Gen 3 laptop.
The Lenovo part number for the base cover is 5CB1M21641 for the WLAN model and 5CB1M21650 for the WWAN model.
Tools
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Completely shut down your laptop (don't just put it in sleep mode) and disconnect all cables.
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Flip the laptop upside-down, and rotate it so the screen hinge faces towards you.
 
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Insert your fingernail or an opening pick into the gap between the base cover and keyboard deck, next to one of the screen hinges.
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Pry up the base cover until the clips unfasten.
 
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Grasp the base cover along the screen hinge edge and lift slowly to unfasten the remaining clips.
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Lift and remove the base cover.
 
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To reassemble your device, follow these instructions in reverse order.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.