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iMac LCD Cleanup

简介

Removing smoke, shadow, dust behing the LCD panel of 20, 21.5, 24 and 27-inch non-unibody aluminium iMac.

你所需要的

  1. iMac LCD Cleanup, LCD Dust removal: 步骤 1 中的图像 1，1
    翻译

  2. iMac LCD Cleanup: 步骤 2 中的图像 1，1

    • Face the LCD down (be sure to have nothing between the screen and the table) ;

    • Remove 4 screws from the left bracket then 4 screws from the right bracket as displayed (the smallest is at the bottom) ;

    翻译

  4. iMac LCD Cleanup: 步骤 3 中的图像 1，3 iMac LCD Cleanup: 步骤 3 中的图像 2，3 iMac LCD Cleanup: 步骤 3 中的图像 3，3

    • Use a "Putty Knife" to separate brackets from the LCD panel frame as shown ;

    • Use a "Post-It" to keep the adhesive from the frame ;

    • Continue gently between the bracket and the frame ;

    翻译

  5. iMac LCD Cleanup: 步骤 4 中的图像 1，2 iMac LCD Cleanup: 步骤 4 中的图像 2，2

    • Using the "Putty Knife" make a groove in the shield around the whole frame ;

    • Once done from the bottom center to the edges of the LCD panel unclip the frame (don't touch the top). Clips are located at :

    • Bottom left, center, right ;

    • Left bottom, top ;

    • Right bottom, top ;

    • Lift the frame 90° maximum ;

    翻译

  6. iMac LCD Cleanup: 步骤 5 中的图像 1，3 iMac LCD Cleanup: 步骤 5 中的图像 2，3 iMac LCD Cleanup: 步骤 5 中的图像 3，3

    • Using gloves and a suction cup gently lift the LCD sheet (no more than 90° failing to do so may bend the LCD and cause image displaying issues);

    • Meticulously clean the inside. Do not use any detergent at most a very lightly humidified microfiber / lint-free cloth ;

    • Do not use an air spray as those might leave marks. Best to get rid of dust is a simple hair dryer going from the top center to the edges ;

    • Reassembly is going back those steps making sure to get rid of your finger-prints ;

    翻译
结论

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

21等其他人完成本指南。

作者

与3其他贡献者

LLange

于11/25/13注册

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24条评论

Thank you for this guide! Helped me very much. And now my iMac is clean again :)

Robert - 回复

I got the screen cleaned and all was well but when I returned everything back to the iMac the lower part of my screen didn't work...

Chris Malka - 回复

If the backligt is ok but no image check connections :

— To the logic board ;

— Then underneath the protective cover on the top of step 2 image…

If the backlight is not ok check the connector and the cable at the lower right corner of step 2 image.

Beware that if you have bended the LCD you might have damaged it.

LLange -

It sounds like the LCD got bent then because the connections are fine so I just ordered a new LCD. But the guide was definitely helpful, I got the dust out!

Chris Malka -

Sorry about this I'm adding a warning on Step 5 to lift gently and no more than 90° hoping this might prevent others to have the same issue.

P.S. the LCD has an electronic board some times people have flickering issues after the display warmed-up. Thus changing that "inner-board" might solve their issue ⇒ after you receive your new LCD, try to sell the old display "inner-board" as well as the connectors…

LLange -

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