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Installation de l'écran de l'iMac Intel 21,5" EMC 2308

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  1. Installation de l'écran de l'iMac Intel 21,5" EMC 2308, Vitre d'écran: étape 1, image 1 de 2 Installation de l'écran de l'iMac Intel 21,5" EMC 2308, Vitre d'écran: étape 1, image 2 de 2
    • Avant de commencer, débranchez votre iMac et posez-le sur une surface plane, comme illustré.

    • Collez une ventouse sur chacun des deux angles supérieurs de la vitre.

    • Pour fixer une ventouse, commencez par la positionner avec la poignée mobile parallèle à la surface de la vitre. Tout en maintenant légèrement la ventouse contre la vitre, soulevez la poignée mobile jusqu'à ce qu'elle soit parallèle à l'autre poignée.

    • Si la ventouse n'adhère pas à la vitre, essayez de les nettoyer, l'une et l'autre, à l'aide d'un solvant doux.

    Very easy to lift the glass out. Don't jerk too hard.

    kctipton - Réponse

    Another comment on DATA & LCD Temp. Sensor cables: I had to remove the vertical sync, and the backlight cable, however, if you have an assistant or/can carefully rotate the screen clockwise/and then have it held up about 5" to 6" at a slight angle, you do not need to remove LCD data cable or LCD thermal cable, however - IMPORTANT: you must have a second pair of hands/or way to securely prop up the LCD. Also, don't rotate too much, since then you will pull out LCD data cable, and it renders the whole exercise moot, or can damage the cable or connector.

    MaximBorzov - Réponse

    You don't need suction cups. The screen, held by magnets, can simply be pried off using a very thin blade such as a screw driver and fingers.

    Deepsurvival - Réponse

    That's a bad idea. using a metal tool to pry off glass is likely to end with an expensive broken front glass.

    Suction cups are common. Find a couple and do it the safe way. I use some cheap ones that came with iPhone repair kit.

    max damage -

    No need for suction cups, I just stuck my nails (short like guys usually have) between the top part of the screen and body, and it came off easily. I've never done it before, so it seems to be very easy.

    Nikolas Lintulaakso - Réponse

    Nails worked for me too

    Rob Dale - Réponse

    Just completed the replacement of the optical drive with an SSD using an OWC Data Doubler kit. Attempted to remove the optical drive without disconnecting any cables but found it a bit fiddly to orient the screen for good access. I bit the bullet and disconnected them and found the process less daunting than I imagined. Reconnecting them was similarly straightforward if you're careful.

    Tip: you can skip the step for removing the optical drive thermal sensor connector from the motherboard. Still need to remove the sensor from the optical drive but you can leave that hanging and reattach it to the SSD later.

    osienna - Réponse

    I use Garmin GPS suction cup. Work very well

    jc3Dcx - Réponse

    I’ve just successfully installed a 1TB SSD in place of my optical drive thanks to the information here- thank you to everyone who has contributed!

    3 comments- the procedure described here seems to vary between HD replacement and dual HD/optical drive replacement. This can be confusing at times.

    Expect there to be minor differences between the layout described and what you find when you open up your iMac. There are also, surprisingly, differences between the HD enclosure description, and the article provided by ifixit.

    I was able to replace the DVD/HD enclosure single-handedly without fully removing the LCD, or deconnecting any of the cables (steps 5-11). It’s a bit cramped, and fiddly, but I was not happy removing any of the cables despite watching videos, etc., since they all seemed to involve applying more force than I was comfortable with. A more detailed description of how to release them might have helped, but even here, there may be minor variations even within the 2389 model.

    Good luck!

    ivan birks - Réponse

    I did it several times with one suction cup at the end of a kitchen brush. Once with the blade of a swiss army knive, also ok. And i’m pretty sure it works with fingernails too

    Tai - Réponse

    Fingernails are all you need to free the glass from its magnetic hold. If you don’t have them, slip something thin and plastic, like a spudger, at a top corner.

    Max Powers - Réponse

    Minha dúvida é a seguinte: após o técnico trocar o HD do meu iMac de 21,5 polegadas, a câmera parou de funcionar. Seria por causa da troca do HD? Tem solução?

    Claudio - Réponse

    Creio que o cabo da camera não foi plugado ou deu mau contato… ou até danificado.

    glecyo@gmail.com

    glecyo medeiros -

    I can’t get my glass to budge. I’m replacing a cracked one and now it’s about to shatter.

    jamboxmitchell - Réponse

    I know that I'm replying really late but I advise to use clear tape over any cracks so the cracks don't get bigger

    Jace Holmes -

    Check for chips in the glass BEFORE you do this step. If there is a chip when you pull up with the suction cups you will wind up with a jagged mess. If you do have a chip I would advise covering the screen near the chip with clear tape of some kind before lifting out. Mine shattered right at the chip and the resulting glass dust cloud got all over. My solution was buying a new glass screen.

    BCam - Réponse

  2. Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 2, image 1 de 2 Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 2, image 2 de 2
    • Soulevez doucement la vitre perpendiculairement à l'écran LCD pour dégager les broches de montage en acier fixées en dessous de la vitre, le long du bord supérieur.

    • Retirez la vitre en l'éloignant du bord inférieur de l'iMac et mettez-la de côté.

    • Lors de la réinstallation, veillez à nettoyer soigneusement l'intérieur de la vitre et la face avant de l'écran LCD, car la présence de poussière ou d'empreintes digitales pourrait gêner la visibilité une fois l'appareil sous tension.

    What's the best product to clean the face of the LCD?

    Steve Speirs - Réponse

    Microfiber Cloth

    Leonardo Fournier -

    Try your best not touch it in the first place

    Brian -

    Wearing Nitrile or regular surgical gloves helps prevent finger prints if you accidentally touch the glass.

    amiller770 - Réponse

    I use a Swiffer duster from above at the last moment before I let the magnets grab the glass cover. This has worked so well the last dozen or so times I’ve replaced a glass cover since I never have access to a “clean room” and don’t wear a “bunny suit”.

    Also, more dust will shed from your skin if you’ve just taken a shower, so I like to finish these repairs in the morning before a shower.

    gatortpk - Réponse

  3. Installation de l'écran de l'iMac Intel 21,5" EMC 2308, Écran: étape 3, image 1 de 3 Installation de l'écran de l'iMac Intel 21,5" EMC 2308, Écran: étape 3, image 2 de 3 Installation de l'écran de l'iMac Intel 21,5" EMC 2308, Écran: étape 3, image 3 de 3
    • Retirez les deux vis Torx T10 8 mm par lesquelles l'écran est fixé au boîtier extérieur.

    • Les deux dernières photographies illustrent chaque côté de l'écran.

    On reassembly, it is REALLY HARD to align those screws, because of the field of the strong magnets that hold the glass cover on. I'm sure there's a trick to it, but I'd love to know what it is for future reference.

    Peter Shenkin - Réponse

    I used needlenose pliers and the T10 to align the screw into the hole. Otherwise the screw keeps jumping to the magnet. And patience with this NON-CAPTIVE screw design (c’mon Apple, even **I** came up with that, and I’m an idiot!)

    finnik2d - Réponse

    A short piece of small gauge vinyl tubing that fits tightly over the head of the T-10 driver leaving an 8th of an inch or so in which to insert the screw to engage the head will hold the screw long enough to keep it away from the magnet and get it going in the hole.

    Paul Boudreau - Réponse

    I use non magnetic SS curved tip tweezers together with a magnetized #10 torx bit both to remove and reinstall the screws. You can magnetize and demagnetize the bit using the strong magnets on the LCD frame. Don't worry too much during removal, you can recover the screw. But loath the moment you drop the last screw during reassembly. For that reason, reinstall the screws near the magnets and hardest to get to first.

    Michael Ben-Yehuda - Réponse

  4. Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 4, image 1 de 1
    • Soulevez légèrement le bord supérieur de l'écran hors du boîtier extérieur.

    • Ne le soulevez pas trop. L'écran est en effet relié à la carte mère par plusieurs câbles.

    When putting the display back I have resistance from the foam elements (on the top end where the iSight is) and have to press down really hard. Is that okay?

    gm.konsortium - Réponse

    Well, stupid me put the 3.5" to 2.5" cage the wrong side up. ;)

    gm.konsortium - Réponse

    Standing the imac upright on its stand really helps this step! Laying it falt makes getting under the panel a real hassle.

    finnik2d - Réponse

  5. Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 5, image 1 de 3 Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 5, image 2 de 3 Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 5, image 3 de 3
    • Débranchez le câble de synchronisation verticale de sa prise sur la carte de rétro-éclairage, près de l'angle supérieur gauche de l'iMac.

    • Le câble-ruban de synchronisation verticale a une extrémité de type ZIF, mais la prise ne possède ni dispositif de verrouillage ni volet de fixation. Tirez simplement le câble hors de sa prise vers le côté de l'iMac correspondant au lecteur optique pour le débrancher de la carte de rétro-éclairage.

    The vertical sync cable was snug initially and now is loose. I checked and the cable is intact. Has anyone had experience with making it fit better?

    Rajan - Réponse

    Scotch tape on the upper side and sliding this in helped to secure the cable.

    Rajan - Réponse

    Reassembly of this part was the closest I came to disaster on this project. I tried inserting the connector a few times without success, and when I looked it it the leads, which are fragile, were all mangled. I smoothed them out by hand as best I could and and reinserted, very carefully this time. The trick is that the tip of the connector should be pointed somewhat upwards when reconnecting.

    I was pretty sure that when I was done, I would reboot but have no display; but fortunately, everything worked.

    Peter Shenkin - Réponse

    Hi, I still have a question. What is the "Job" of the vertical sync ribbon cable. Thanks

    Lutz Blum - Réponse

    So let’s say someone wanted to suck some of the dust off the back of the display before reassembly. Let’s just say that. Someone would likely suck this forsaken cable up into the vacuum tube then, wouldn’t they? They might. And if it were to oscillate in a rushing torrent of air, it might get munged? It might.

    Here’s how you overcome such a disaster:

    1) cut the end fresh, as close to the end as you can while cutting off any frayed end.

    2) abrade the end gently, repeatedly, along the connector wire axis. I used emory paper. Your goal is to expose the copper conductors in the last 1/4” of the fragile evil wire.

    3) Tape a small stiff cardstock to the back of the end of the connector. This is essential to press the connector wires into the connector.

    4) Gently insert, taking special caution to not peel the copper off of the connector.

    5) Tape that connector down deftly, without letting it move a millimeter and securing it for all time.

    sydnius - Réponse

    I just leave it connected. After disconnecting the other cables, there is enough slack to lay the display on its backside if you’re working on a flat surface.

    Duane Johnson - Réponse

    I have replaced the hdd in this model about 8-10 times - I have never had to disconnect any cables other than the sata and temp sensor cables on the hdd. I just prop the lcd up with an egg carton (or something about 3 inches high that is soft and light) and access the hdd that way. The only thing I ever have trouble with are is putting the LCD screws back in around the magnets - but I have pretty much perfected that with a sissor/ tweezer tool.

    Suzanne Levy - Réponse

    Could you put up some photos of this procedure - egg carton etc…

    Peter Barnett -

    Any ideas where to replace this cable?

    Danny Shaw - Réponse

    I followed Suzanne’s comment and also did not disconnect this cable (vertical sync ribbon cable) to avoid damage. I pivoted the screen about 110 degrees after the other cables where detached. On a flat surface, this is easily done and the cable is not tight. Image of my angle if I can drop a link. and cable in this position not in tension.

    investments kkl - Réponse

    Where can I buy the replacement for this vertical sync replacement cable?

    Neil Gonsalves - Réponse

  6. Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 6, image 1 de 3 Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 6, image 2 de 3 Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 6, image 3 de 3
    • Faites pivoter l'écran hors du boîtier extérieur, suffisamment pour débrancher le câble d'alimentation du rétro-éclairage LED de la carte de rétro-éclairage.

    • Débranchez le câble d'alimentation du rétro-éclairage LED en appuyant sur le mécanisme de verrouillage tout en tirant le connecteur hors de sa prise (vers le bord inférieur de l'iMac).

    I found it easier to very slightly lift the front edge of the black connector with a small spudger, then gently pulling away towards the bottom of the iMac. Pressing felt a little crude and didn’t work for me.

    Anthony C Carnell - Réponse

  7. Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 7, image 1 de 1
    • Exercez une pression sur les deux bras du connecteur du câble de données de l'écran pour le libérer de la prise sur la carte mère.

    • Tirez le connecteur du câble de données de l'écran hors de la prise sur la carte mère.

    • Faites attention lorsque vous branchez ou débranchez ce câble, car il est fragile.

    in Step 7, my connector (new 21.5 iMac - Dec 2010) was not attached that way and just came of easily.

    erin - Réponse

    Aperte as duas exibição do conector do cabo de dados braços juntos para desbloqueá-lo de seu soquete na placa lógica.

    Darlan Perira da Silva - Réponse

    I accidently broke the data cable socket on step 7. Any advice on what i should do?

    Sam Tang - Réponse

    I feel pretty silly. I spent wayyyy too long trying to get these cables disconnected. Happy I found this guide; hopefully, I won't struggle with such simple things since you provide pretty good details! Thanks.

    J.w. - Réponse

    Pas beaucoup de place pour déconnecter ce cable ! En essayant d'ouvrir trop l'écran pour passer mes "grosses mains" j'ai cossé le connecteur : je suis dans le caca :-( (et pourtant j'en fait des démontages !) Alors ATTENTION !!!

    divers - Réponse

    Il vaut mieux déconnecter la partie du côté écran en premier (sous l'autocollant noir)

    divers - Réponse

    Je suis d’accord. C’est plus facile. Merci mon ami

    Anthony C Carnell -

    Translation: It is better to disconnect the screen side first (under the black sticker)

    Michael Seiler -

    ALWAYS ALWAYS ALWAYS REMOVE THIS CABLE!!! Even if you are "only in there for a minute" tearing the connector off the board is EXTREMELY easy.

    DistroHopper39B - Réponse

  8. Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 8, image 1 de 1
    • Débranchez le connecteur du câble du capteur thermique LCD de sa prise sur la carte mère.

    • Déconnectez le câble de rétroéclairage LED en appuyant sur le connecteur et en tirant à la fois légèrement sur les fils.

    This is important regarding the fan running full speed

    http://blog.macsales.com/19617-diagnosin...

    tobykirkland - Réponse

    Is there a way to test the power supply to see if it's dead?

    professorminh - Réponse

    Achtung! Dieser Stecker kann sehr fest sitzen, hier hilft ein guter Fingernagel um den Stecker abwechselnd rechts und links zu Hebeln

    bluesoundsmusic - Réponse

    English translation of bluesoundsmusic comment: “Caution! This plug can be very tight, here a good fingernail helps to lever the plug alternately right and left”

    investments kkl -

  9. Installation de l'écran de l'iMac Intel 21,5" EMC 2308: étape 9, image 1 de 1
    • Avec précaution, tirez l'écran vers le bord supérieur de votre iMac et sortez-le du boîtier extérieur, en faisant attention aux câbles qui peuvent se coincer.

Conclusion

Pour remonter votre appareil, suivez les mêmes instructions dans l'ordre inverse.

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3 commentaires

i have a problem with my pc.

when i turn on my computer couple i had lot of times the LCD turned off.

is the time to change it? The boot and the system runs ok... what's the problem?

need help guys!

Massimiliano Sartorello - Réponse

good morning everyone. I have a problem with my iMac. unfortunately the screen starts to look with horizontal stripes. after verifying that it is not by the graphics card, I bought a led a different model and some connectors are different. He led riding my iMac is lm215wf3 (sl) (a1) and I bought by mistake lm215wf3 (sd) (a1). several problems. the temperature sensor input is different, and led backlightsync also is different.

Borja - Réponse

Thanks for posting this guide. I had a bad display connection that caused my Mac display to go off (black) every now and then. Remote desktop showed Mac was fully functional, though. Removed the glass, removed the LCD as per this guide, cleaned all display connectors with WD40, mounted everything back and… voilà !

Martins Jr - Réponse

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