Lenovo ThinkCentre M900 Tiny RAM Replacement

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Introduction

Follow this guide if you need to replace the RAM in your Lenovo ThinkCentre M900. Before you begin this repair, disconnect all peripherals and power off your computer.

What you need

Step 1 RAM

Lenovo ThinkCentre M900 Tiny RAM Replacement, RAM: step 1, image 1 of 2

Lenovo ThinkCentre M900 Tiny RAM Replacement, RAM: step 1, image 2 of 2

Remove all cables, locks, wireless receivers, and disc drive shrouds from the device.

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Step 2

Unscrew the single Phillips #1 screw on the rear side of the device.

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Step 3

Lenovo ThinkCentre M900 Tiny RAM Replacement: step 3, image 3 of 3

Slide the cover towards the front of the device to remove.

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Step 4

Use a Phillips #1 screwdriver to remove the single screw securing the 2.5” drive tray in place.

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Step 5

Lenovo ThinkCentre M900 Tiny RAM Replacement: step 5, image 3 of 3

Pull the 2.5” drive tray out horizontally to remove.
If there is a drive in the tray, it can remain mounted to the tray.

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Step 6

Lenovo ThinkCentre M900 Tiny RAM Replacement: step 6, image 3 of 3

Gently push the silver latches on both sides of the RAM stick outward until the module pops up.
Slide the RAM out from the slot.
There should be little to no resistance when removing the modules.

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Step 7

Lenovo ThinkCentre M900 Tiny RAM Replacement: step 7, image 3 of 3

Align the gold pins on the new RAM stick with the slot on the board and insert it at the same angle as the original RAM module was installed.
Gently press downwards on the RAM modules until the latches engage, holding the RAM modules in place.
Repeat steps 2-5 in reverse order to reassemble the device.