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How to replace the System Board on a Optiplex Micro 3090

Published  November 14, 2025

This 3D experience gives you the step by step process of replacing the System Board and a Optiplex Micro 3090. The procedure will also include removing the Side Cover, I/O module, Coin cell Battery, Speaker, Hard Drive Assembly 2.5 inch, Solid State Drive (SSD), Wireless Module (WLAN), Fan Assembly, Memory Module, Heat Sink, Processor and reinstalling them.

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