소개
이 안내서의 단계를 따라서 21.5” Retina 4K Late 2015 iMac 전면 패널을 교체하세요.
이 절차는 불량/고장난 디스플레이 분리와 더불어 디스플레이 데이터 케이블과 열 센서를 새 디스플레이로 옮기는 작업을 포함합니다.
필요한 것
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이 단계에 사용된 도구:iMac Intel 21.5" Cardboard Service Wedge$4.99
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iMac 작업을 시작하기 전에: 컴퓨터 플러그를 뽑고 전원 버튼을 10초 동안 눌러 전원 장치의 축전기를 방전하세요.
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먼저 디스플레이 왼편, 전원 버튼 근처에 iMac 여는 도구를 유리 패널과 후면 인클로저 사이의 틈에 삽입하세요.
Don’t get too worried about starting exactly where the picture says. The glue is stronger in some parts so just start wherever is easier and then work slowly and patiently around in the direction shown.
As this guide doesn’t cover replacing the adhesive strips, I found referring to the following was useful (noting that it’s not for the same model of iMac, so the modification they mention wasn’t necessary): iMac Intel 21.5" EMC 2544 Adhesive Strips Replacement
Alan Digby - 답글
This part of the exercise should be done with extreme patience. I took my sweet time with the opening tool, rolling it through the entire panel and enclosure gap over and over again, until I was very sure no parts were sticking together anymore. And when I thought I was I done, I decided to do it over again.
You can "warm up" the adhesive before try to cut it with the tool using a hair dryer. Heat the edges for about a minute, keep moving it so you don't cause stress in the glass. Also the above note.. use the tool and then the cards. Do not use a guitar pick or other objects as the thickness will cause you to break the front glass, which is a bonded part of the display (expensive).
Merci pour ce conseil
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피자용 칼 같은 도구를 사용하여—틈을 따라 굴리면, 폼 접착제 중앙을 자릅니다.
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디스플레이 왼편을 따라 도구를 위로 미세요.
If re-opening a screen that was opened and re-attached using iFixit’s adhesive strips, I would strongly recommend heating it first with an iOpener, heat gun or hair dryer. 20 minutes after attaching with the iFixit adhesive I tried to open it again with the pizza slicer to fix something and cracked the screen on the left-hand side.
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디스플레이 상단을 따라 움직이세요.
In this step can I cut along the display without make any damage to the front camera?
Hi! Actually - there is no need to cut the tape around the camera area - there is no tape to cut at all! And so, the way go is easy - just pass 10 mm to the left and to the right from camera and start cutting!
P.S. Just did the whole procedure to replace a RAM and to add SSD on PSIe an hour ago! Seems to be different reading the instructions... you know - 2/10 and so on. But it's really not that hard, trust me. I'll give it 5/10.
P.P.S. By the way there is one trick to pass the difficult steps. Any action which requires pulling smth (motherboard, speaker, power supply unit) from the narrow crack (or should i say - slit?) at the bottom of your Imac is really not so easy.
And the trick is to first remove a thin metal stripe with some kind of insulation on it which held by 5 small (very small!!) screws at the bottom of your Imac. After you done it - it's easy to pull everything! Pay attention to the fact that one of this 5 screws at the center are more shortly than others.
If you're changing cracked EMC 2638 display to new assembly, there's two more steps:
Step 24: Use the tip of a spudger to flip up the metal retaining bracket on the display data cable.
Carefully pull the display data cable from its socket on the display assembly.
Step 25: Use the tip of a spudger to unplug bracket of the thermal sensor small cable near display data cable.
Carefully remove scotch tape covering thermal sensor. Using iSesamo or flat tip of the spudger carefully peel the thermal sensor away.
omg - forgot to switch the termal sensor from the old display...
now fan runs like crazy...
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여는 도구를 디스플레이 오른편 하단으로 밀어 마무리하세요.
Yes, do it many times to loosen the adhesive.
Would be good data to show the 3 areas (wifi antennas where the "tape" is larger and covers them. The rest of the "tape" is 1.4" and easy. Also after removing the display, be sure to remove the old "tape" from both the display and the rubber parts of the case. Use the spudger to start an end and it should pull off easily. Careful on the baackside of the display as you can scratch off the black paint/covering.
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iMac 오른편 상단 모서리부터 디스플레이와 프레임 사이에 플라스틱 카드를 끼우세요.
this step is extremely important NOT to stick in the cards too far….. doing so, you risk a 600 euro replacement as I experienced………
I drew a 3/8” line on my cards with a marker first.
Max Romano - 답글
I’m reading this on the EU store, please change all measurements to cm/mm.
@ifixit The next batch of cards you create should have a line printed on the card 3/8” in from the edges. Would make a nice reference.
Better to remove stand wedge at this point? Can’t see from pics
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플라스틱 카드를 옆으로 부드럽게 비틀어 디스플레이와 프레임 사이에 틈을 만드세요.
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천천히 움직이고 디스플레이 유리에 너무 무리가 가지 않도록 주의하세요—약 1/4" 간격만 있으면 됩니다.
This part must be done very carefully or you can damage the flat cable from display, despite it was under a iron cover.
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카드를 디스플레이 중앙으로 밀어 iMac 오른쪽 상단 모서리를 따라서 나머지 접착제를 자르세요.
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한 손으로 디스플레이를 잡고 다른 손으로 디스플레이 전원 케이블을 뽑으세요.
Can this cable be replaced? I am worried mine is damaged. I have no display after the screen fell and stressed the display flex cables following an SSD upgrade.
This step should be done with extreme caution and care, as this step 19 is not described in great detail (sorry, author).
The first (most outward) cable will slide out by gently pulling it by its tabs. The second (inner) cable is more tricky, as the locking lever must be moved backward first, before gently pulling backward on the cable connector. The angled tweezers are useful here, to help lift that locking lever, because fingers are too big for this.
I found the best way to unplug this display power cable was to use my right hand, and the fingernails of my index finger and thumb to grab the ends of the tabs on either side of the connector, squeeze, and pull the connector out gently.
i think the cable nearest the case edge is held in by friction and can be gently pulled, maybe with fingernails or a spudger. The next cable is held by a wire lever clip as described above it unlocks so the cable can be removed. These cables are also fiddly to re-insert, I didn't get one of them home and had no display after power-up, so at the end, don't re-seal the screen until tested.
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한 손으로 여전히 디스플레이를 받치며 디스플레이 데이터 케이블의 금속 고정 브래킷을 위로 젖히세요.
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로직 보드 소켓에서 디스플레이 데이터 케이블을 조심히 당기세요.
Cannot seem to find a replacement cable for this, as I suspect mine is damaged. Can’t even find a part number. Anyone know what it might be?
https://www.amazon.com/gp/product/B08TTL...
That's the part I ordered for mine and it seems to work ok. I did make a point of contacting the seller and advising them of my requirement and they ensured I got the right part and it matches the description of the link. Bear in mind I bear no responsibility if yours does not work since I am just sharing what I did and what I ordered. Thanks.
I also need that cable.
cameronjpu - 답글
It's a little difficult to tell... but looking at the connection to the logic board on the video data cable, are the pins faced up or down?
On the display, same question since it appears you have to "twist" the cable during the reconnection step.
For this particular cable, take a good look before pulling on anything. Plug is locked on its socket with a bracket. You can lift this bracket by holding the small, flat black plastic handle that is attached to it. If you're struggling to grab it, use the end of the pizza roller handle to lift it, or the tweezers. Cable then comes off by pulling parallel to the main board.
How can I tell if either of this cable is bad? My iMac display won't turn on after reconnecting it. I'm using an external display and everything is working except for the iMac display. If I go to settings - display the built-in display is recognize. But again nothing shows up in the screen - not even the apple logo when turning it on.
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디스플레이를 거의 수직에 가까운 위치로 들어 올리세요.
The adhesive strip along the bottom is designed with a pull tab on each outer end. Rather than lever and pull the screen simply carefully pull the tab which removes that half of the lower adhesive strip and frees up the screen.
Yes, use the tabs as Andrew indicates. Super easy.
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디스플레이를 프레임에서 들어 올려 iMac에서 분리하세요.
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나머지 접착제를 벗기기 위해 한쪽을 천천히 들어 올려야 할 수 있습니다.
The adhesive strip along the bottom is designed with a pull tab on each outer end. Rather than lever and pull the screen simply carefully pull the tab which removes that half of the lower adhesive strip and frees up the screen.
Andrew, FTW! This worked perfectly
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기기를 재조립하려면, 위의 단계들을 역순으로 따르세요.
기기를 재조립하려면, 위의 단계들을 역순으로 따르세요.
다른 19명이 해당 안내서를 완성하였습니다.
다음 번역가들에게 특별히 감사 드립니다:
100%
Christian Kim님은 저희가 세상을 수리하는데 동참하신 분입니다! 기여하시겠습니까?
번역 시작하기 ›
댓글 8개
Hello, I damages my iMac 2833 screen cable with mistake, I tried to find one compatible with this type but I didn't find one, c an you advise me how to find one or even repair the cable because the the wider end not damage but the other end... thanks in advance to your help...
Hi,
I am in need of a display data cable as shown above for the iMac 21.5” Late 2015. Anyone know where I can order one? Finding one on the interent is awfully confusing in identifying the correct cable.
Thanks.
See step 20 above for the display data cable needed.
Hola saludos excelente artículo los felicito. Tengo una duda. Mi IMac de. 21.5 Inch 4K sufrió un golpe en la parte superior de la pantalla. Luego del impacto la pantalla sigue funcionando normalmente, pero el glass está con grietas y astillado. Es necesario cambiarlo todo? O existe un repuesto solo del glass. Gracias por su orientacion
Hola, me paso lo mismo, al final conseguiste arreglarlo? Tuviste que cambiar todo el display o solo el cristal? Gracias!
Marcos -
Hola, ¿es necesario un nuevo pegamento a la hora de volver a cerrar? gracias
How much is stupid, apple, to build with glue!
The wedge is an extremely tight fit for this model. I was worried that the amount of force needed to use it as shown might damage the stand, so I used it with the long side down instead. It worked fine that way and didn’t need anywhere near as much force to insert.
roberttrevellyan - 답글
Here’s a good YouTube vid on upgrading the RAM: Can a Normal Person Upgrade the RAM in the 2017 21.5" iMac?
Dan - 답글
Here are a couple tips from me:
1) Expose the adhesive to extreme temperatures. I did this by transporting my iMac in my car, screen-down on a piece of cardboard on a cold February morning (in Chicago). When I went to pick up the iMac, the screen practically fell off the chassis. I would have been distraught by this if I hadn’t already planned this replacement. So it was a happy accident.
2) Remember to expell the residual power from the power supply by pushing the power button while the iMac is unplugged. This does NOT guarantee it’s safe to touch, but when I accidentally brushed the solder and exposed capacitors, I didn’t get shocked.
jerrid_foiles - 답글
Instead of using the wedge, I placed the iMac faced up with the top side (web cam) facing me while I ran the pizza roller around. It worked out great!
Sam Fung - 답글
“All iMacs also come with a traditional hard drive” mine doesn’t!! it’s HDD bay is completely empty, no SATA cable or anything. I guess I’ll have to upgrade the PCIe SSD instead.
Chris Hughes - 답글
There is no replacement glass for this model, it is part of the LCD and impossible to remove or replace- the entire LCD has to be replaced unfortunately if the glass is cracked or damaged. You will have to Google search for a replacement. Also be careful with some of the lock tight tork screws as I broke one of my screw mounts taking one out.
Phil Tesone - 답글
I used this service wedge but also found it a very tight fit. The same stabilization can be achieved by using a big rolled up towel.
Ernst - 답글
While this is a good instruction guide, I recommend to also look at OWC’s instruction video about drive installation, before starting the exercise. Those install videos are very detailed and useful.
Ernst - 답글
Main advice: TAKE YOUR TIME with the pizza roller.
Make several passes, until you really feel like there's no more sticker in the way. Stay away from the camera though (approx. 1inch / 2.5cm on both sides). This will reduce the work left with the plastic card. Adhesive is really on the edge of the screen so there is absolutely no need to go any further than the recommended 1cm / 3/8inch depth.
Where are the sensitive parts?
Facing your iMac, imagine you're looking at a watch. There are antennas on 1, 2 and 4 o'clock. Do not insert any metal piece there (nor anywhere else, btw). Other than that AND the screen cables underneath the camera, not much danger.
Froggy Manny - 답글