Introduction
Use this guide to replace the Steam button and its membrane in your Steam Deck LCD.
Remember: follow general electrostatic discharge (ESD) safety procedures while repairing your device.
Tools
Parts
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            Use a Phillips driver to remove the eight screws securing the back cover: 
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            Four coarse thread 9.5 mm-long screws 
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            Four fine thread 5.8 mm-long screws 
 
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            Insert an opening pick into the thin gap between the back cover and the front shell, along the edge of the right grip. 
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            Pry up on the back cover to release it from the locking clips. 
 
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            Grip the back cover at the opening you just created and pull it up and away from the device to unclip the long edges. 
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            Remove the back cover. 
 
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            Use a Phillips driver to remove the three screws securing the board shield: 
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            One 3.4 mm screw 
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            Two 3.7 mm screws 
 
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            Grip the battery cable by its pull tab and pull it directly away from the motherboard to disconnect it. 
 
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            Place the flat end of a spudger onto the inside edge of the trigger's left clip. 
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            Pivot the trigger clip out, away, and up from the peg to unlatch it. 
 
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            Use the pointed end of a spudger to lift up the small locking flap on the thumbstick cable's ZIF connector. 
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            Use a pair of tweezers to slide the cable out of its connector. 
 
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            Use the pointed end of a spudger to lift up the small locking flap on the button board interconnect cable's ZIF connector. 
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            Use a pair of tweezers to slide the cable out of its connector. 
 
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            If any connectors are covered with tape, use a pair of tweezers to remove it. 
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            Use the pointed end of a spudger to lift up the small locking flaps on the rest of the button board ZIF connectors. Use a pair of tweezers to slide the cables out of their connectors: 
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            Disconnect the D-pad cable. 
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            Disconnect the touchpad board cable. 
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            Disconnect the touchpad cable. 
 
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            Use a Phillips driver to disconnect the four screws securing the left button board: 
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            Three 5.2 mm screws 
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            One 3.9 mm screw 
 
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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 Steam Deck answers community for help.