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Removing the display requires cutting through the adhesive around the perimeter of the screen. After the adhesive is cut, it cannot be used to re-seal the display in place, so you'll need to apply a new set of adhesive strips.

    • With the hinge free to move, the iMac will be unbalanced and hard to work on. Repairs can be completed as shown, but are faster and easier with an iMac service wedge.

    • If you are using the iFixit cardboard service wedge, follow these assembly directions to put it together.

    • If you are not using an iMac service wedge, be very careful when installing and working behind the display—it can easily fall out and break if the iMac moves unexpectedly.

    2 Kitchen Paper Towel Rolls do the same job as the Wedge just fine .. :)

    Stef999 - 回复

  1. Before you start placing strips, remove all of the old adhesive around the perimeter of the rear enclosure. If you are re-using your existing display, you must also remove the old adhesive from the back of the display.
    • Before you start placing strips, remove all of the old adhesive around the perimeter of the rear enclosure.

    • If you are re-using your existing display, you must also remove the old adhesive from the back of the display.

    • Peel off the old strips of adhesive using tweezers or your fingers. Start at the bottom and peel upward towards the top of the device.

    • After all the old adhesive is removed, carefully clean the area under the adhesive with 90% (or greater) isopropyl alcohol and a lint-free cloth. Wipe in one direction, not back and forth.

    • Don't skip this step, or your new adhesive strips may not bond properly, and the display may fall out of your iMac.

    Depending on what adhesive you are removing, I find that using something like Goo Gone Goop adhesive remover is very helpful.

    If it is the original foam based adhesive, then that can usually be taken off without the adhesive remover, but with these after market glue strips, the adhesive remover is best.

    G Trieste - 回复

    Safer to stick with alcohol as recommended in the guide—a lot of adhesive removers can leave oils behind, which prevents the new adhesive from bonding properly. Weeks or months later, the whole screen falls out. If the adhesive is really stubborn and you must use something like Goo Gone, wipe it down thoroughly with alcohol afterward.

    Jeff Suovanen -

    Spudger and tweezers couldn’t seem to get enough under the strip to grab. I had to use a low-angle edge of an Xacto blade.

    bstaud - 回复

    Makes me miss the days of the magnets.

    bstaud - 回复

    Welcome to the club!

    Robert Buck -

    I worked with the display face-down on a pillow.

    bstaud - 回复

    Be careful when removing adhesive from the back of the reused display. There’s black film beneath the adhesive which can tear and pull up itself.

    airshack - 回复

    I recommend using a white colored cloth and/or wearing gloves with the alcohol. My hand was all black after using a black cloth, not to mention dried out.

    Max Romano - 回复

  2. Start with the strip labeled 3 (or 03), which goes on the right vertical side of the rear enclosure. Before peeling off any backing, line it up against the frame of the iMac to get an idea of where it goes. Peel the short piece of backing off the back of the strip.
    • Start with the strip labeled 3 (or 03), which goes on the right vertical side of the rear enclosure.

    • Before peeling off any backing, line it up against the frame of the iMac to get an idea of where it goes.

    • Peel the short piece of backing off the back of the strip.

  3. Insert the tip of a spudger into the hole at the end of the strip from the side that still has a backing on it. Insert the tip of a spudger into the hole at the end of the strip from the side that still has a backing on it.
    • Insert the tip of a spudger into the hole at the end of the strip from the side that still has a backing on it.

    With more than a little manipulation, the strips had a tendency to stretch, so the holes at each end did not quite align.

    bstaud - 回复

    I agree, line them up gently, don’t pull on the strips too hard or they will stretch.

    fo4ever - 回复

  4. With the spudger still poking through the hole in the adhesive strip, push the spudger tip into the corresponding hole in the frame of the iMac. Using the hole and spudger to anchor the position of the adhesive strip, line the strip up against the right edge, gently pulling up against the spudger to ensure the strip is taut, and stick it onto the frame. Using the hole and spudger to anchor the position of the adhesive strip, line the strip up against the right edge, gently pulling up against the spudger to ensure the strip is taut, and stick it onto the frame.
    • With the spudger still poking through the hole in the adhesive strip, push the spudger tip into the corresponding hole in the frame of the iMac.

    • Using the hole and spudger to anchor the position of the adhesive strip, line the strip up against the right edge, gently pulling up against the spudger to ensure the strip is taut, and stick it onto the frame.

    Don’t pull too hard at all at this or any step similar. The adhesive can stretch, and it will no longer align at the other hole. The goal is just to make sure it isn’t wrinkled.

    Kory Koziar - 回复

  5. Once you've aligned the bottom half of the adhesive strip, peel the longer piece of backing out from behind the strip. If the bottom half isn't aligned properly, you can carefully peel it up and re-stick it before peeling off the lower backing strip. Be sure to use the spudger tip to anchor the top.
    • Once you've aligned the bottom half of the adhesive strip, peel the longer piece of backing out from behind the strip.

    • If the bottom half isn't aligned properly, you can carefully peel it up and re-stick it before peeling off the lower backing strip. Be sure to use the spudger tip to anchor the top.

    The info comment makes no sense. If you have to "re-stick it" then you have already peeled off the lower backing strip. If "it" means the upper portion of the strip, the use of a pronoun instead of naming the part specifically is confusing.

    Mark - 回复

  6. Align the upper half of the strip with the right edge of the rear enclosure, and stick it down. Align the upper half of the strip with the right edge of the rear enclosure, and stick it down.
    • Align the upper half of the strip with the right edge of the rear enclosure, and stick it down.

  7. Use your finger to smooth Strip 3 along the right edge. Make sure it is neatly aligned with the right side of the frame and that it sits flat. Do not peel off the front adhesive backing yet.
    • Use your finger to smooth Strip 3 along the right edge. Make sure it is neatly aligned with the right side of the frame and that it sits flat.

    • Do not peel off the front adhesive backing yet.

  8. Work your way around the perimeter of the iMac, adding three more adhesive strips in the same manner.
    • Work your way around the perimeter of the iMac, adding three more adhesive strips in the same manner.

    • Working counter-clockwise from Strip 3, place:

    • Strip 2 on the top right

    • Strip 1 on the top left

    • Strip 5 on the left vertical

    Please update this pic with newer model 2017, where you can see the wholes for the mic!!! These must not be covered! I hope the set of tapes 4R considering this issue, otherwise the mic will not work, as I used to have it!

    lgwaf - 回复

  9. The two remaining strips (4L and 4R) do not have guide holes and are more difficult to place than the previous ones. Before sticking  them down, we recommend first setting them in their respective places on the iMac to get comfortable with their placement. Grasp the red film pull tab on the 4R adhesive strip and pull to remove the backing from the strip. Align the strip on the bottom edge of the rear enclosure, directly to the right of the middle screw on that edge.
    • The two remaining strips (4L and 4R) do not have guide holes and are more difficult to place than the previous ones. Before sticking them down, we recommend first setting them in their respective places on the iMac to get comfortable with their placement.

    • Grasp the red film pull tab on the 4R adhesive strip and pull to remove the backing from the strip.

    • Align the strip on the bottom edge of the rear enclosure, directly to the right of the middle screw on that edge.

    • Run your finger along the length of the adhesive strip to ensure it is straight and unwrinkled, pressing down as you go to adhere the strip to the iMac.

    For some reason the adhesive strips for the bottom (4L and 4R) have the outer side as black whereas the others are white. A bit disorienting.

    bstaud - 回复

    when i pull the red tab at least one of the bottom strips always has the wrong side peel off. Poor design.

    Charles Lindauer - 回复

    Yes, all of the other strips go on without problem, but every strip kit I’ve ordered has the 4L and 4R strips reversed (like in the picture). And pulling the red tab usually doesn’t work at all. Why aren’t they just made like the rest of the strips?

    Brian Toth - 回复

    I fix Macs for a living and every single time I try to pull the tabs for 4R and 4L, the red tabs peel right off and i have to fight to peel the backing off without any tab. Every time.

    John M - 回复

    Very important in case of iMac 2017 - 4R strip covers the microphone holes. With the kit provided you have to split 4R strip into two pieces, cut out part of it to leave space where the mic is - slightly on the right from the apple logo (you can see there very small holes) . If not, you will cover whole area and mic will not work properly. I was freaking out during the re-assembling my iMac as I thought I have demaged the mic’s gentle cable. Apparently I haven’t it was just the stripe.

    Pawel Orkwiszewski - 回复

    This is true, and that’s why there are different instructions for the 2017 model.

    Jeff Suovanen -

    The two bottom strips are perfectly simmetrical. Just invert their place (L to R, R to L) and leave the white part on top like all the others. This works especially well if you follow drgallo's alternate procedure at step 21.

    Tobia Conforto - 回复

    NOTE: As said in other comments, the 2017 and newer iMacs need you to cut a section out of 4L, otherwise it will block the microphone hole and you will get no sound from the Mic. It’s easy enough to do but if you don’t know to do it, you’ll need a whole new set of adhesives to do this process all over again.

    John M - 回复

    I now have spotlighting along the entire bottom of the screen after opening and re-sealing (21.5 2017 4k). Anyone have any suggestions?

    Adam Dziuba - 回复

  10. Repeat the previous step for the 4L adhesive strip, placing it along the left half of the bottom edge of the iMac. Once you've applied all the adhesive strips, the iMac should look as shown in the photo.
    • Repeat the previous step for the 4L adhesive strip, placing it along the left half of the bottom edge of the iMac.

    • Once you've applied all the adhesive strips, the iMac should look as shown in the photo.

    Unless my iMac was assembled incorrectly, the 4L and 4R strips are mislabeled and should be reversed . The right angles of the strips should be towards the outer bottom edges of the display. I have photos but not sure how to get them in here.

    Leon Bisquera - 回复

    The picture here doesn’t quite match the currently provided tape kit. You should see two sets of each number, not one number and a bit of blue tape.

    Endareth - 回复

  11. Gently lay the display in place over the iMac, and align it carefully. Gently lay the display in place over the iMac, and align it carefully.
    • Gently lay the display in place over the iMac, and align it carefully.

    It is important to wedge something between the unit and the base so it doesn't swivel down as you are replacing the front cover. An unopened 5 pound sack of flour works fine.

    snively - 回复

    or 2 rolls of kitchen papertowels :)

    Stef999 - 回复

    The display will drop into place when it’s aligned properly. You can also lay the iMac down for this step if you don’t have the wedge.

    lkollar - 回复

  12. Use painter's tape or masking tape to temporarily secure the bottom edge of the display to the iMac's enclosure. The tape preserves the display's alignment, and allows you to safely swing the top edge of the display open to access the display cables.
    • Use painter's tape or masking tape to temporarily secure the bottom edge of the display to the iMac's enclosure.

    • The tape preserves the display's alignment, and allows you to safely swing the top edge of the display open to access the display cables.

    1.Painter’s tape or masking tape (or low-residue duct tape, which I used) should be on the list of tools and materials.

    2. I made strap of tape for a side to prevent the display from hinging open too far.

    bstaud - 回复

    Make sure the tape is put in place after you’ve got the screen in exactly the right spot! And no tape around the sides, the screen still needs to swing.

    Endareth - 回复

    Elastoplast also works

    daveedwards - 回复

  13. At this point it's a good idea to test your repair, in order to make sure your iMac works properly before you seal it back up. Follow the next three steps to temporarily reconnect the display cables and boot up your iMac prior to pulling the protective film off the adhesive strips. If you've already verified that your iMac is working correctly and are ready to seal it up, skip to Step 17.
    • At this point it's a good idea to test your repair, in order to make sure your iMac works properly before you seal it back up. Follow the next three steps to temporarily reconnect the display cables and boot up your iMac prior to pulling the protective film off the adhesive strips.

    • If you've already verified that your iMac is working correctly and are ready to seal it up, skip to Step 17.

    • Insert the display power cable into its socket on the logic board.

    If replacing of the adhesive is part of a larger job, where you had to replace the RAM for instance, please make sure that you can plug in the peripherals into the USB, Thunderbolt and the Ethernet. It’s late when you seal the iMac and discover that you can’t plug anything into the USB, because the logic-board has moved 1mm! Also verify that your iSight camera, speakers, wireless, IR and Bluetooth work before sealing.

    megaspeed - 回复

    If you’re doing this as part of a SSD upgrade, don’t forget you have to erase it in Disk Utility before installing or restoring macOS. Don’t panic like I did and almost tear it all down again.

    Max Romano - 回复

  14. Use a pair of tweezers or your other hand to gently insert the display data cable connector into its socket on the logic board. Be sure to press it straight into the socket, and insert it completely. Secure the metal retaining bracket on the display data cable downwards towards the logic board.
    • Use a pair of tweezers or your other hand to gently insert the display data cable connector into its socket on the logic board.

    • Be sure to press it straight into the socket, and insert it completely.

    • Secure the metal retaining bracket on the display data cable downwards towards the logic board.

    0. Put a loupe or magnifying glass on the list of tools and supplies.

    1. It would be good to show an enlarged picture of the data cable connector to see how it works.

    2. In my case, the metal retaining bracket did not hold the connector securely enough, so the connector kept popping out.

    bstaud - 回复

    Click on any image if you need to see the high-res version. Most of these are 40+ megapixel photos, so you can blow them up to almost any level of detail you could possibly want.

    Jeff Suovanen -

    With the iMac resting on its back: Two rolls of masking tape, one roll under each corner of the screen, keep the monitor elevated and supported adequately while you’re working in the middle connecting those cables.

    airshack - 回复

  15. Set the display back on the iMac's rear enclosure. At this time, plug in your iMac, power it on, and test your repair before moving on to actually sealing up the computer. Be sure to check for full functionality of any hardware you removed or disconnected.
    • Set the display back on the iMac's rear enclosure.

    • At this time, plug in your iMac, power it on, and test your repair before moving on to actually sealing up the computer. Be sure to check for full functionality of any hardware you removed or disconnected.

    • When you are finished, shut the iMac down and unplug the power cord before you continue.

  16. Verify that your iMac is turned off and unplugged from power before you continue. After confirming that your iMac functions properly, disconnect the display cables and carefully lean the display forward. Remove the film from the 4R strip by reaching in from above and pulling the tab straight up from the bottom edge of the display.
    • Verify that your iMac is turned off and unplugged from power before you continue.

    • After confirming that your iMac functions properly, disconnect the display cables and carefully lean the display forward.

    • Remove the film from the 4R strip by reaching in from above and pulling the tab straight up from the bottom edge of the display.

    i had to tip the display outward enough for the strip to peel off. Glad it had the tape hinge.

    bstaud - 回复

    It’s not a good idea to remove insert these two cables twice, when it can be done only once:

    BEFORE reattaching the cables, open the screen up to 90 degrees to the machine, and carefully peel off the two bottom strips 4L & 4R.

    Being careful not to close the machine any more than is necessary to be able to insert the cables, with the machine wedged & on its stand, wrap a large double loop of low-tack masking tape entirely around both machine & screen, effectively making two “straps” to retain the screen with about a 5” gap at the top enough to access the cables easily. Insert the cables, not forgetting the latch, then test. The two straps of masking tape can then be cut and peeled back out of the way, whilst supporting the screen, before peeling off the remaining plastic strips & closing up the machine. Much easier to get at 4L/4R this way, and you have only done the cable thing 1 time.

    Phil Reed - 回复

    At this point, attach a sheet of paper to the screen reminding “Don't forget to connect the data and power cables to the screen!”. It's good for the distracted.

    Despré - 回复

  17. Repeat the previous step for the 4L strip.
    • Repeat the previous step for the 4L strip.

  18. Reconnect the display power and data cables for the final time. Remember to secure the metal retaining bracket on the display data cable. Remember to secure the metal retaining bracket on the display data cable.
    • Reconnect the display power and data cables for the final time.

    • Remember to secure the metal retaining bracket on the display data cable.

    Be careful with these cables, they are very very fragile and not at all designed for multiple disconnection / connection. be assured that they are correctly plugged in, the margin is fine. We can believe that it is well connected but the surpise can be very unpleasant once the screen back in place and glued! Thank you Apple with your glue !

    bruno - 回复

    Same here. Put it together before removing the tape cover and it wasn’t plugged in. Opened it up and realized the data cable wasn’t all the way in. I then noticed the cover isn’t just a cover; it’s a hook that flips over the other side of the connector to be sure they are all the way in, and won’t come apart - I was simply flipping it over the top as if it was just a simple flap to lay on top.

    Now I know : )

    Lucas MacMillan - 回复

  19. Check the glass directly in front of the webcam for dust and other contaminants. If necessary, wipe it down with a microfiber cloth before you seal up the display. Steady the display with one hand as you remove the adhesive liners in the following steps, or rest it lightly against the iMac's enclosure. Steady the display with one hand as you remove the adhesive liners in the following steps, or rest it lightly against the iMac's enclosure.
    • Check the glass directly in front of the webcam for dust and other contaminants. If necessary, wipe it down with a microfiber cloth before you seal up the display.

    • Steady the display with one hand as you remove the adhesive liners in the following steps, or rest it lightly against the iMac's enclosure.

    At this step, make sure that the camera is correctly positioned in front of the opening of the window. Indeed, you may notice that the camera, although attached to the chassis, has a flexible mount and can move slightly from left to right and from top to bottom. This mounting allows, I guess, to properly wedge the camera when we plate the screen on the chassis.

    In my case, although the screen was perfectly aligned at the bottom left and right corners, the camera had to be positioned incorrectly because the screen did not fit snugly on the chassis. It is almost invisible to the naked eye, but it does not plate perfectly.

    Be sure to check this point before removing the protections from the adhesives by playing on the mounting bracket of the camera mount.

    Excellent tutorial;))

    COUTURIER - 回复

    If you're replacing the display, don’t forget to take out the pink film protecting the camera opening. I did, and I came out pink. I had to this all over again since I missed the pink film.

    If this happened to you, and you don’t want to redo or just waiting for new adhesive strips to come to your mailbox, try using a CTO blue gel flash filter to counteract and balance the color, which actually worked great for me, unless you want to use a green screen, which I did, then CTO filters won’t work.

    Eddie de la Rosa - 回复

  20. Remove the protective film from Strip 1 by pulling its tab straight up. The film/liner may break if pulled too hard. Work carefully and make sure that there's no pressure on the display and that it doesn't pinch the strips. The film/liner may break if pulled too hard. Work carefully and make sure that there's no pressure on the display and that it doesn't pinch the strips.
    • Remove the protective film from Strip 1 by pulling its tab straight up.

    • The film/liner may break if pulled too hard. Work carefully and make sure that there's no pressure on the display and that it doesn't pinch the strips.

    Pull them out slowly, cos you the coverstrips can rip easily resulting in having no adhesive in that area cos the strip is rendered unreachable… (happend to me twice) ..

    Stef999 - 回复

    It is MUCH easier to just align the bottom edge, then use painters tape to attach the glass at the bottom. Flip the screen forward so that you can see both tabs 4L and 4R. Carefully expose the adhesive at the bottom. Connect the two top cables, clean the webcam. Finally peel tabs 5 and 3 from the bottom up. Lastly while you can see everything, peel both sides of tabs 1 & 2. Then just press everything down squarely. (The biggest issue is that the tabs do not come off easily and removing the tabs while you can see them is the key here.)

    drgallo - 回复

    Sometimes, the blue pull tabs tear off, rather than pulling the adhesive cover off. You will be holding the display in your hands when this happens, so just take a deep breath, and try to peel back the white cover with your fingernail of your free hand.

    John M - 回复

    I did what drgallo suggested. Perfect.

    Michael Adams - 回复

    Dr. Gallo is spot on. I actually just peeled 5, 3, 1, and 2 at the same time. So much easier. I can’t even wrap my head around how 1 and 2 can come before 3 and 5. So, just do 5&3 and then 1&2 or do all four simultaneously. Just make sure not to skip steps 19 and 20.

    Eddie de la Rosa - 回复

  21. Likewise, remove the protective film from the strip that was paired with Strip 1. Likewise, remove the protective film from the strip that was paired with Strip 1.
    • Likewise, remove the protective film from the strip that was paired with Strip 1.

  22. Repeat the previous two steps to remove the protective film from all the remaining adhesive strip pairs (labeled 2, 3, and 5).
    • Repeat the previous two steps to remove the protective film from all the remaining adhesive strip pairs (labeled 2, 3, and 5).

    What can happen here is the protective covering can break be careful

    megtechnical - 回复

  23. Remove the tape securing the display to the rear enclosure. To ensure a strong bond, carefully tip the iMac flat on its back (with the screen facing straight up) and press carefully but firmly around all four edges of the display. To ensure a strong bond, carefully tip the iMac flat on its back (with the screen facing straight up) and press carefully but firmly around all four edges of the display.
    • Remove the tape securing the display to the rear enclosure.

    • To ensure a strong bond, carefully tip the iMac flat on its back (with the screen facing straight up) and press carefully but firmly around all four edges of the display.

结论

To reassemble your device, follow these instructions in reverse order.

21等其他人完成本指南。

Jeff Suovanen

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Very helpful guide! Did a fine job for me, when changing HDDs on the 21,5" as well as the 27". Thanks for that! Hi from Krautland

Alexander deLarge - 回复

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