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If your ARRIS Surfboard cable modem is overheating — restarting, or slowing down intermittently — it may struggle with heat dissipation. Usually a metal heatsink help keep the temperatures down, but some newer versions of this modem don’t include a heatsink, and will have problems maintaining a high connection speed.
Before trying this guide, make sure the modem has access to plenty of air and that nothing is blocking the vents on either side. If that doesn’t help, these instructions will show you how to open the device and apply a new heatsink to the system.
Before beginning, disconnect all cables from the back of the modem. Then, let the modem cool down for 5 minutes.
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Use pliers to remove the thin nut and washer from the coax port.
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Remove the single 9mm Torx screw using a Torx T10 screwdriver.
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Use a spudger to press the plastic retention clip inward and toward the center of the modem.
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Slide the left side panel of the modem toward the back, then up and out at a shallow angle.
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There are small plastic tabs on either side of the clear LED diffuser. Use the flat end of a spudger to pry both of them outwards slightly.
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Rotate the diffuser upward to unlatch it.
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To remove the board, lift the front end up slightly and gently pull toward the front to remove.
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If your device doesn't have a heatsink, skip this step. To remove an existing heatsink, hold the board steady and use pliers to gently twist it off.
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Peel off the paper backing that protects the thermally conductive adhesive to prepare the heatsink for application.
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Center the sticky side of the heatsink over the bare chip, then press down gently to secure it.
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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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Embry-Riddle Aeronautical University, Team S3-G1, Cromer Twal Fall 2020 crwdns2935289:0Embry-Riddle Aeronautical University, Team S3-G1, Cromer Twal Fall 2020crwdne2935289:0
ERAU-CROMER TWAL-F20S3G1
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Thank you for this review, helped me to open it. The only thing i did differently is peeled oof the sticker from the bottom - carefully, so not to damage it. Why do u place the heatsink on that specific tiny chip - is it the one that heats up the most? My feeling when opening it was that the RF part was the hottest.
