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Use this guide to replace your mini's heat sink. Reinstalling the heat sink will require a new layer of thermal paste.
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            Place your thumbs in the depressions cut into the bottom cover. 
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            Rotate the bottom cover counter-clockwise until the white dot painted on the bottom cover is aligned with the ring inscribed on the outer case. 
 
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            Tilt the mini enough to allow the bottom cover to fall away from the outer case. 
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            Remove the bottom cover and set it aside. 
 
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            Remove the two 11.3 mm T6 Torx screws securing the fan to the logic board near the antenna plate. 
 
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            Lift the ear of the fan nearest the RAM up off the standoff secured to the outer case. 
 
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            Lift the fan out of the mini for enough clearance to access its connector. 
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            Carefully pull the fan cables upward to lift the fan connector up out of its socket on the logic board. 
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            Remove the fan. 
 
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            Remove the single 3.5 mm T6 Torx screw securing the cowling to the heat sink. 
 
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            Lift the cowling from the end nearest the antenna plate. 
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            Rotate the cowling away from the outer case and remove it from the mini. 
 
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            Remove the following screws securing the antenna plate to the mini: 
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            Two 6.6 mm T8 or T9 Torx screws 
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            Two 5.0 mm T8 Torx or 2.0 mm Hex screws (either will work) 
 
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            Slightly lift the antenna plate from the end closest to the RAM. 
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            Carefully pull the antenna plate straight away from the circular rim of the outer case. 
 
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            Use the tip of a spudger to carefully pry the antenna connector up off the AirPort/Bluetooth board. 
 
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            Remove the antenna plate from the mini. 
 
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            Remove the following three screws: 
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            One 5.0 mm T8 Torx or 2.0 mm Hex screw (either will work) 
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            One 16.2 mm T6 Torx screw 
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            One 26 mm T6 Torx standoff 
 
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            Carefully pull the wires for both hard drive thermal sensors upward to lift their connectors up and out of the sockets on the logic board. 
 
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            Use the flat end of a spudger to pry both the hard drive and optical drive connectors up out of their sockets on the logic board. 
 
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            To disconnect the optical drive thermal sensor, pinch its cables between your thumb and a spudger and pry the spudger upward to lift the connector up and out of its socket on the logic board. 
 
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            Use the tip of a spudger to lift the IR sensor connector up and out of its socket on the logic board. 
 
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   crwdns2935267:0crwdne2935267:0Mac mini Logic Board Removal Tool$4.99- 
                     
            Insert a Mac mini Logic Board Removal Tool into the two holes highlighted in red. Be sure it makes contact with the outer case below the logic board before proceeding. 
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            Carefully pull the tool toward the I/O board. The logic board and I/O board assembly should slightly slide out of the outer case. 
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            Cease prying when the I/O board is visibly separated from the outer case. Remove the Mac mini Logic Board Removal tool. 
 
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            Simultaneously push the two plastic clips on the far left and right sides of the I/O board toward the middle of the I/O board and pull the I/O board away from the outer case. 
 
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   crwdns2935267:0crwdne2935267:0Tweezers$4.99- 
                     
            Pull the I/O board/logic board assembly out of the outer case enough to access the power connector. 
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            Use a pair of tweezers to disconnect the power cable from the logic board. 
 
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            Carefully slide the logic board assembly out of the mini, minding any cables that may get caught. 
 
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            Remove the single 5 mm T6 Torx standoff from the heat sink near the edge of the logic board. 
 
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            To disconnect the heat sink thermal sensor, pinch its cables between your thumb and a spudger and pry the spudger upward to lift the connector up and out of its socket on the logic board. 
 
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            Remove the four 8.5 mm T8 Torx screws securing the heat sink to the logic board. 
 
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            Remove the heat sink from the logic board, minding any cables that may get caught. 
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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