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はじめに

Although Apple never sold the 2010 27" iMac with the option of having a second HDD or SSD drive, they did provide the framework for inserting one yourself. Using a secondary SATA port on the logic board and tapping into the power supply, it is very simple to add a second drive into this iMac. Use this guide to install a second drive in the 2010 27" iMac, EMC 2390.

  1. Loosen the three Phillips screws securing the access door to the bottom edge of your iMac. These screws will remain captive in the access door.
    • Loosen the three Phillips screws securing the access door to the bottom edge of your iMac.

    • These screws will remain captive in the access door.

    • Remove the access door from your iMac.

    • During reassembly, fasten the access door loosely and align it with the pocket cut into the outer case of the iMac before fully tightening the screws.

  2. Use your fingers or the tip of a spudger to slide the black plastic RAM tray pull tab out of the RAM slot.
    • Use your fingers or the tip of a spudger to slide the black plastic RAM tray pull tab out of the RAM slot.

  3. Pull the black plastic tab away from the iMac to eject the RAM chip from its socket. The RAM modules are firmly seated and may require a fair amount of force to remove.
    • Pull the black plastic tab away from the iMac to eject the RAM chip from its socket.

    • The RAM modules are firmly seated and may require a fair amount of force to remove.

    • Use your fingers to slide the RAM chip out of its socket.

    • If necessary, repeat this process for the other RAM module(s).

    • Stick a heavy-duty suction cup near each of the two top corners of the glass panel.

    • To attach the suction cups, first position the suction cup with the movable handle parallel to the face of the glass panel (as highlighted in the second picture).

    • While lightly holding the suction cup against the glass, raise the movable handle until it is parallel with the other handle (as highlighted by the third picture).

    • If your suction cups refuse to stick, try cleaning both the glass panel and the suction cup with a damp soft, lint-free cloth. (Dampen with distilled water, and if needed, an equal ratio of distilled water and white vinegar for best results.)

    • Do not use the suction cups to carry the display glass because if one of them fails to stick, you could drop the screen and break it.

    • The original iMac box makes a good place to store the glass panel. Otherwise, a padded horizontal surface, like a towel on a desk will do nicely.

  4. Gently lift the glass panel perpendicular to the face of the LCD enough to clear the steel mounting pins attached along the underside of the top edge of the glass panel. Pull the glass panel away from the lower edge of the iMac and carefully set it aside. Don't use the suction cups to carry the glass panel—if either one loses its grip, the panel could fall and break.
    • Gently lift the glass panel perpendicular to the face of the LCD enough to clear the steel mounting pins attached along the underside of the top edge of the glass panel.

    • Pull the glass panel away from the lower edge of the iMac and carefully set it aside.

    • Don't use the suction cups to carry the glass panel—if either one loses its grip, the panel could fall and break.

    • After setting the glass panel down safely, be sure to release the suction cups, as the suction force over time, can crack the glass.

    • During reinstallation, be sure to meticulously clean the inside of the glass panel and the face of the LCD as any dust or fingerprints trapped inside will be annoyingly visible when the machine is turned on.

  5. Remove the eight T10 Torx screws securing the LCD to the outer case.
    • Remove the eight T10 Torx screws securing the LCD to the outer case.

  6. Carefully lay the iMac stand-side down on a flat surface. Due to tight tolerances, you will have to use a thin hooked tool to lift the display out of the outer case. As seen in the third picture, we made one out of a bent paperclip. Use a thin hooked tool to lift one side of the top edge of the display by its steel outer frame.
    • Carefully lay the iMac stand-side down on a flat surface.

    • Due to tight tolerances, you will have to use a thin hooked tool to lift the display out of the outer case. As seen in the third picture, we made one out of a bent paperclip.

    • Use a thin hooked tool to lift one side of the top edge of the display by its steel outer frame.

    • After lifting the top edge of the display on one side, hold it out of the outer case while you use a hooked tool to lift the other side.

    • Do not lift the top edge of the display out of the outer case too far, as several short ribbon cables still connect the two components.

  7. Using your fingers, carefully pull the vertical sync cable out of its socket on the LED driver board near the top left corner of your iMac. Be sure to pull the connector parallel to the LED driver board, straight out of its socket.
    • Using your fingers, carefully pull the vertical sync cable out of its socket on the LED driver board near the top left corner of your iMac.

    • Be sure to pull the connector parallel to the LED driver board, straight out of its socket.

  8. Squeeze the two display data cable connector arms together to unlock it from its socket on the logic board.
    • Squeeze the two display data cable connector arms together to unlock it from its socket on the logic board.

    • Pull the display data cable connector away from its socket on the logic board.

  9. Rotate the display out of the outer case enough to disconnect the LED backlight power cable from the LED driver board.
    • Rotate the display out of the outer case enough to disconnect the LED backlight power cable from the LED driver board.

  10. Lift the display for enough clearance to disconnect the LCD thermal sensor cable connector from its socket on the logic board.
    • Lift the display for enough clearance to disconnect the LCD thermal sensor cable connector from its socket on the logic board.

    • If your fan is spinning full speed after completion, check this connection or the hard drive's thermal sensor cable.

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  12. Carefully pull the display toward the top edge of your iMac and lift it out of the outer case.
    • Carefully pull the display toward the top edge of your iMac and lift it out of the outer case.

  13. Remove the four T10 Torx screws securing the optical drive to the outer case.
    • Remove the four T10 Torx screws securing the optical drive to the outer case.

  14. Pull the optical drive thermal sensor connector straight away from its socket on the logic board.
    • Pull the optical drive thermal sensor connector straight away from its socket on the logic board.

  15. Insert a spudger between the optical drive connector and the optical drive. Twist the spudger to slightly separate the optical drive connector from the optical drive, then use your fingers to pull the connector away from the drive.
    • Insert a spudger between the optical drive connector and the optical drive.

    • Twist the spudger to slightly separate the optical drive connector from the optical drive, then use your fingers to pull the connector away from the drive.

  16. Lift the left edge of the optical drive slightly and pull it away from the right side of the outer case.
    • Lift the left edge of the optical drive slightly and pull it away from the right side of the outer case.

    • During reassembly, note that there are two holes in the optical drive face plate into which two stubby plastic posts must engage for proper positioning.

  17. Carefully move the rear I/O board ribbon cable to reveal the optical drive fan connector hidden underneath.
    • Carefully move the rear I/O board ribbon cable to reveal the optical drive fan connector hidden underneath.

    • Disconnect the optical drive fan by pulling its connector away from the socket on the logic board.

  18. Remove the single T10 Torx screw securing the optical drive fan to the outer case. Pull the optical drive fan away from the outer case to lift it off the three plastic posts around its perimeter.
    • Remove the single T10 Torx screw securing the optical drive fan to the outer case.

    • Pull the optical drive fan away from the outer case to lift it off the three plastic posts around its perimeter.

    • Carefully maneuver the optical drive fan out of the iMac, minding any cables that may get caught.

  19. Using your fingernails or the flat end of a spudger, remove the three connectors from the right side of the logic board. SD card reader Rear I/O board
    • Using your fingernails or the flat end of a spudger, remove the three connectors from the right side of the logic board.

    • SD card reader

    • Rear I/O board

    • Left and Right Speakers

  20. Remove the six parallel connectors from the top of the logic board using your fingernails, pulling parallel to the logic board. Skin Temperature Hard Drive Temperature
    • Remove the six parallel connectors from the top of the logic board using your fingernails, pulling parallel to the logic board.

    • Skin Temperature

    • Hard Drive Temperature

    • Hard Drive Fan

    • Camera

    • Bluetooth

    • Ambient Temperature Sensor

    • Remove the airport cable from the logic board by prying straight up with a spudger.

  21. In the same manner described above, use your fingernails to remove the two cable connectors from the left side of the logic board.
    • In the same manner described above, use your fingernails to remove the two cable connectors from the left side of the logic board.

    • Power Button

    • CPU Fan

  22. In the same manner described above, remove the IR sensor board cable from its socket on the logic board. Carefully pull the IR sensor board straight up, out of the iMac.
    • In the same manner described above, remove the IR sensor board cable from its socket on the logic board.

    • Carefully pull the IR sensor board straight up, out of the iMac.

  23. Remove the following eight T10 Torx screws securing the logic board to the iMac:
    • Remove the following eight T10 Torx screws securing the logic board to the iMac:

    • Four 25 mm screws

    • Two 21.4 mm screws

    • One 7.2 mm screw

    • One 9.3 mm screw

    • When reassembling the iMac, make sure that none of the cables are trapped underneath the logic board before replacing the screws.

  24. Using the flat end of a spudger, remove the SATA power cable from its socket on the hard drive.
    • Using the flat end of a spudger, remove the SATA power cable from its socket on the hard drive.

  25. Simultaneously, lift and rotate the logic board out of the iMac. Do not try to completely remove the logic board. It is still attached by several cables on the back side.
    • Simultaneously, lift and rotate the logic board out of the iMac.

    • Do not try to completely remove the logic board. It is still attached by several cables on the back side.

    • Carefully lean the logic board against the front of the iMac, so that it leans out of the iMac.

  26. Attach the male junction of the SATA power splitter to the original hard drive power cable. Plug one of the branches into the hard drive.
    • Attach the male junction of the SATA power splitter to the original hard drive power cable.

    • Plug one of the branches into the hard drive.

    • The cable is shaped so that it can only be attached in a certain orientation. Do not try to force the cable onto the hard drive.

  27. Carefully route the other branch of the SATA power splitter underneath the GPU heat sink. There is a cutaway in the plastic near the optical drive frame. Route the power cable through this cutaway.
    • Carefully route the other branch of the SATA power splitter underneath the GPU heat sink.

    • There is a cutaway in the plastic near the optical drive frame. Route the power cable through this cutaway.

  28. Carefully lean the logic board forward, just enough to access the rear side.
    • Carefully lean the logic board forward, just enough to access the rear side.

    • Connect one end of the SATA data cable to the secondary SATA data socket on the logic board.

  29. Start leaning the logic board back into the iMac. Route the SATA data cable underneath the edge of the metal plate behind the logic board. Continue routing the SATA cable up through the cable slot in the plastic frame.
    • Start leaning the logic board back into the iMac.

    • Route the SATA data cable underneath the edge of the metal plate behind the logic board.

    • Continue routing the SATA cable up through the cable slot in the plastic frame.

    • Finish routing the SATA cable though the cutaway in the plastic frame near the optical drive, just below the GPU heat sink.

    • The SATA data cable should be laid over the SATA power cable that is already routed through this cutaway.

  30. Connect the SATA power and data cables to the secondary hard drive. Connect the SATA power and data cables to the secondary hard drive.
    • Connect the SATA power and data cables to the secondary hard drive.

  31. After removing the backing from the adhesive pads, press the secondary hard drive firmly against the aluminum frame of the iMac. After removing the backing from the adhesive pads, press the secondary hard drive firmly against the aluminum frame of the iMac.
    • After removing the backing from the adhesive pads, press the secondary hard drive firmly against the aluminum frame of the iMac.

まとめ

To reassemble your device, follow these instructions in reverse order, starting from Step 20

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Brett Hartt

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Adding a SSD drive for the system was a simple process and has completely transformed my old i3 iMac - definitely worth the money and effort

adrianpearmund - 返信

5 hours an IT support officer. This task is not for the feint hearted. A guide from OWC suggested locating SSD near HDD and this proved easier for me. This guide was accurate and the many images were very helpful. Thanks.

KrazeyNKrusty - 返信

<i>Apple never sold the 2010 27" iMac with the option of having a second hard drive,</i>

This isn't true. Mine has a 256GB Apple-installed second drive.

seligerj - 返信

Great guide. I followed it but found after removing the logic board there was no secondary sata port!!! Either way I hooked up the original hard drive to power and temp sensor to stop the fan spin up and used the sata for the SSD so works great. One problem! My sound is now greyed out? Any physical reason for this? When the imac powers on it makes a sound but no sounds in Mac OS. I feel it must be physical not software related.

Damian Wright - 返信

I had a 15cm SATA cable, which is too short to reach an SSD under the Optical Drive. I ended up putting the SSD right on top of the hard drive (then 15cm is just enough).

oluc - 返信

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