はじめに
Use this guide to replace the combination I/O (input/output) board in your Mac Studio (2023).
Four of the Mac Studio's ports are attached to the I/O board:
- Two USB‑A ports
- One HDMI port
- One 3.5 mm headphone jack
If any of these ports are broken, you'll need to replace the entire I/O board.
If you're having connection issues with your HDMI port, you can't connect devices to the USB ports, or your audio is fuzzy, one-sided, or nonexistent, it may be time to replace the I/O board.
Before starting this repair, read through Apple's troubleshooting article and try the software and cleaning solutions that don't require taking your device apart. Make sure to test your cables with a different device to confirm the issue is with one of the ports, and not the cables themselves.
必要な工具と部品
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Completely shut down your Mac Studio.
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Unplug all cables from your device.
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Flip your Mac Studio over and lay it down so the bottom faces up and the SD card slot and two front USB‑C ports are facing you.
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Heat an iOpener and lay it over one of the bottom cover screws for two minutes to soften the adhesive near the screw—this is where you'll insert a spudger in the next step.
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Insert the point of a spudger under the pad's inner edge, near the screw you applied heat to in the previous step.
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Use the spudger to lift the pad and separate the adhesive.
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Insert the flat end of a spudger under the pad.
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Slide the spudger under the entire pad to separate the remaining adhesive.
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If the adhesive strips are still sticky, you can reuse them.
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Use the flat end of a spudger and your fingers to scrape up and remove the old adhesive strips.
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Use isopropyl alcohol and a microfiber cloth to remove the old adhesive residue.
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Apply the new adhesive strips to the bottom cover and remove their liners.
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Firmly press the bottom cover screw pad into its recess to secure it.
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Use a T10 Torx screwdriver to remove the four 8 mm‑long screws securing the bottom cover.
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Insert the point of a spudger in one of the bottom cover's ventilation holes and lift the cover until you can grab it with your fingers.
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Remove the bottom cover.
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Use a T10 Torx screwdriver to remove the six screws securing the power supply:
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Four 6 mm‑long screws
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Two 7 mm‑long screws with washers
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Firmly hold the power supply with one hand and lift up the edge near the power cord port.
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With your free hand, pinch the head of the power cord port connector to unclip it and pull straight down to disconnect the cable.
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Carefully tilt the power supply away from the power cord port so it's at a 90-degree angle.
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Keep the power supply tilted up for the next step.
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With your free hand, pinch the head of the power supply connector to unclip it and pull straight away from the socket to disconnect the cable.
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Flip your Mac Studio around so the SD card reader and two front USB‑C ports are facing you.
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Use a T6 Torx screwdriver to remove the eight screws securing the internal frame:
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Seven 5 mm‑long screws
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One 4 mm‑long screw
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Slowly lift the internal frame straight up and remove it, making sure no cables get snagged.
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Use a T5 Torx screwdriver to remove the two 12 mm‑long screws securing the speaker.
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Lift the inner edge of the speaker and stand it upright so you can access its connector on the logic board.
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Insert the point of a spudger under the speaker connector's plastic head and carefully lift it straight up and out of its socket.
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Use a T3 Torx screwdriver to remove the two 2 mm‑long screws securing the I/O board cable cover.
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Use a T8 Torx screwdriver to remove the standoff screw just to the right of the cover.
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Use a spudger to pry up and disconnect both of the I/O board's press connectors.
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Use the point of a spudger or a clean fingernail to flip up the hinged locking flap on the power button cable ZIF connector, located on the outer edge of the I/O board.
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Use tweezers to gently pull the cable straight out of its socket.
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Carefully stand up your Mac Studio so the SD card reader and two front USB-C ports are facing up.
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Use a T4 Torx screwdriver to remove the two 15.5 mm‑long screws securing the outer edge of the I/O board.
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Use a T6 Torx screwdriver to remove the two 20 mm‑long screws securing the inner edge of the I/O board.
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Partially tighten the four screws securing the board.
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Lay your Mac Studio down and plug a cable into one of the ports to ensure proper fit and alignment, adjusting the port as necessary—the cable should be easy to insert and remove.
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With the cable plugged in and the board in position, fully tighten all four screws.
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Unplug all cables before continuing.
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Gently set the I/O board down on your workspace so the ports are facing up.
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Use a T3 Torx screwdriver to remove the two 2 mm‑long screws securing the cable cover.
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Use tweezers or your fingers to remove the cover.
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Use a spudger to pry up and disconnect one of the I/O board's cables.
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Remove the cable.
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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.
