Introduction
This guide shows how to remove the main board in a PlayStation 5. This must be done before replacing the liquid metal.
Tools
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            If your PlayStation 5 is in its vertical orientation, flip it upside down so the stand is facing up. 
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            Use a coin or a flathead screwdriver to remove the 26.5 mm-long stand screw. 
 
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            If your PlayStation 5 is in its horizontal orientation, rest it on its face with the charging port facing up. 
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            Lift the stand straight up to remove it. 
 
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            Flip the device over so that the USB and ethernet ports are on the left side from your perspective. 
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            Lift up the corner of the faceplate to unclip it from the case. 
 
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            While lifting up the corner, slide the faceplate towards the bottom of the device. 
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            Remove the right faceplate. 
 
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            Insert the flat end of a spudger underneath the grille and into the gap above the fan. 
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            Lift up with the spudger to pry the grille away from the case. 
 
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            Use a TR8 Torx security driver to remove the four screws securing the fan shroud to the case: 
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            Two 23.3 mm-long screws 
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            One 11.4 mm-long screw 
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            One 31 mm-long screw 
 
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            Insert the flat end of a spudger beneath the black wire cover and into the gap above the fan wires. 
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            Use the spudger to peel up the wire cover until you can grip it with your fingers. 
 
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            Use your fingers to grip the edges of the fan cable connector, and pull up to disconnect it from the motherboard. 
 
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            Use your finger to slide the SSD cover towards the top of the device to unclip it from the case. 
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            Remove the SSD cover. 
 
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            Use your fingers to grip the edges of the optical drive cable connector, and pull up to disconnect it from the motherboard. 
 
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            Use your fingers to grip the edges of the optical drive cable connector, and pull up to disconnect it from the optical drive. 
 
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            Use a T8 Torx driver to remove the eleven screws securing the case: 
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            Six 18.6 mm-long screws 
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            Two 23.3 mm-long screws 
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            Two 43.2 mm-long screws 
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            One 7.3 mm-long screw 
 
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            Use the flat end of a spudger to press down on the optical drive connector's metal locking tab. 
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            With the metal tab depressed, use a pair of tweezers to pull the blue pull tab directly away from the connector to disconnect the cable from the optical drive. 
 
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            Use a pair of tweezers to pull the blue pull tab directly away from the connector to disconnect the power and eject button ribbon cable. 
 
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            Use a pair of tweezers to pull the blue pull tab directly away from the connector to disconnect the LED ribbon cable. 
 
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            Use a pair of tweezers to grip the white Wi-Fi antenna wire at its metal base, as close to the connector as possible. 
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            Lift the wire's connector straight up to disconnect it from the motherboard. 
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            Repeat for the black Wi-Fi antenna wire. 
 
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            Use a pair of tweezers to grip the black or blue power supply antenna wire at its metal base, as close to the connector as possible. 
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            Lift the wire's connector straight up to disconnect it from the motherboard. 
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            Repeat for the white power supply antenna wire. 
 
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            Use a pair of tweezers to peel back the white sticker holding the antenna wires to the top shield plate. 
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            Remove the antenna wires from underneath the sticker. 
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            Press the white sticker back down onto the top shield plate so it can be reused. 
 
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            Use a pair of tweezers to peel back the white sticker holding the LED ribbon cable to the heat sink. 
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            Remove the LED ribbon cable from underneath the sticker. 
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            Press the white sticker back down onto the heat sink so it can be reused. 
 
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            Use a T8 Torx driver to remove the forty-two screws securing the top shield plate: 
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            Forty-one 7.3 mm-long screws 
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            One 43.2 mm-long screw 
 
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            Use your finger to depress the metal locking tab on the USB board cable's board connector. 
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            With the metal tab depressed, place the flat end of a spudger against the insulating foam pad on the ribbon cable and pull it directly away from the connector to disconnect it. 
 
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            Use a Phillips screwdriver to remove the 11 mm‑long SSD screw. 
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            Use a Phillips screwdriver to remove the two 11.8 mm‑long APU tension bracket screws. 
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            Use a TR8 Torx security screwdriver to remove the two remaining 7.3 mm‑long main board screws. 
 
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            Lift and remove both APU brackets from the board. 
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            Put the bracket with plastic arms on first so the pegs go into their cutouts. 
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            Then, put the metal bracket onto the plastic one so they're perpendicular and the screw holes line up. 
 
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            Gently lift the edge of the motherboard with the large cutout to partially separate it from the bottom shield plate. 
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            With the board lifted, insert the flat end of a spudger between the board and the bottom shield plate and gently twist to separate them. Work your way around the perimeter of the board. 
 
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            Insert the flat end of a spudger between the board and the lower shield plate, by the two parallel solder joints near the corner with the power button. 
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            Twist the spudger to lift the two prongs under the board out of their socket. 
 
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            Remove the main board, flip it over, and carefully lay it on a clean work surface, so the APU is facing up. 
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            Make sure all cables that connect to the board are out of the way so they don't get trapped underneath. 
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            Carefully flip the board over so the APU is on the bottom, making sure no liquid metal spills. 
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            Keep the board level and lower it into place. 
 
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To reassemble your device, follow these instructions in reverse order.