How to replace the PS2 port module on Dell Pro Micro Plus QBM1250/Dell Pro Micro QCM1250/QCM1255

Published AUG 07, 2026

This tutorial provides step-by-step instructions on how to remove and install the PS2 port module on your Dell Pro Micro Plus QBM1250/Dell Pro Micro QCM1250/QCM1255. By following the steps in this video, you can also remove and install the serial port module on your computer. Before you begin, power off the computer, and disconnect all the attached peripherals. Ensure that you always use ESD protection when working inside the system.

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