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How to replace the Smart card reader on a Precision 3490

Published  January 08, 2026

This 3D experience gives you the step by step process of replacing the Smart card reader and a Precision 3490. The procedure will also include removing the Base Cover, Battery Cable, Battery, WWAN (Wireless Module), WLAN (Wireless Module), Memory modules, SSD 2230, Chassis frame, Speaker, Fan, Display Cables, SIM card tray, System board assembly and reinstalling them.

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