Introduction
Follow this guide to replace the microSD card reader in your Valve Steam Machine (2026).
If your Steam Machine fails to read microSD cards, intermittently disconnects them, or the slot is physically damaged, you may need to replace the microSD card reader.
Some microSD cards will need to be formatted before they can be used with your Steam Machine. If you're having problems, follow Valve's instructions for formatting before replacing the card reader to ensure the problem isn't with the microSD card itself.
What you need
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Power down your Steam Machine and disconnect the power cable.
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Unplug any remaining cables or accessories from all ports.
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Reposition the Steam Machine so the bottom is facing up.
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Reposition the Steam Machine so the back panel is facing up.
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Use a T8 Torx screwdriver to fully loosen the two captive screws securing the back panel.
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Lift the top edge of the panel (near the screws) until the two locking clips release.
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Slide the panel towards the top edge and lift to remove it.
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Use a T8 Torx screwdriver to remove the two 7.3 mm‑long screws securing the inner assembly.
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Grip the inner assembly under the fan and lift it straight up and out of the shell.
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Set the inner assembly down so the SSD is on top.
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Use a T8 Torx screwdriver to remove the two 5.1 mm‑long screws securing the microSD card reader.
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Pull the microSD card reader straight up to disconnect and remove it.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
