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Outil utilisé dans cette étape :iMac Intel 21.5" Cardboard Service Wedge$4.99-
With the hinge free to move, the iMac will be unbalanced and hard to work on. Place an iMac service wedge, in the stand to stabilize the iMac.
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If your adhesive strip labeled 4R already contains a notch, follow this guide instead.
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If you are re-using your existing display, you must also remove the old adhesive from the back of the display.
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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.
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After all the old adhesive is removed, carefully clean off the adhesive residue with high-concentration isopropyl alcohol (90% or greater) and a lint-free cloth. Wipe in one direction, not back and forth.
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Lay out the adhesives strips beforehand so you won't accidentally install a strip in the wrong place:
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Strip 01 on the top left
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Strip 02 on the top right
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Strip 03 on the right vertical
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Strip 4R on the bottom right, dark side facing up
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Strip 4L on the bottom left, dark side facing up
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Strip 5 on the left vertical
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Start with the strip labeled 3 (or 03), which goes on the right vertical side of the rear enclosure.
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Peel the short piece of backing off the back of the strip.
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Insert the tip of a spudger into the hole at the end of the strip where you just removed one layer of backing. Insert the spudger from the side that still has a layer of backing on it.
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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.
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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.
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Once you've aligned the bottom half of the adhesive strip, peel the longer piece of backing out from behind the strip.
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Align the upper half of the strip with the right edge of the rear enclosure, and stick it down.
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Use your finger to smooth out the strip. Make sure it is neatly aligned with the right side of the frame and that it sits flat.
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Work your way counter-clockwise around the perimeter of the iMac, adding three more adhesive strips in the same manner:
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Strip 02 on the top right
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Strip 01 on the top left
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Strip 05 on the left vertical
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To avoid blocking the microphone port with adhesive, strip 4R must be modified before use. A small notch must be cut out of the lower edge of the adhesive strip to accommodate the microphones.
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Measuring from the left end of strip 4R (the end with the labels) make two marks on the strip as guides for where to cut.
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Make the first mark 1⅛ inches (28.6 mm) from the left edge.
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Make the next mark 1¾ inches (44.5 mm) from the left edge.
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Measuring from the bottom edge of the strip, make a third mark in between the first two 5/32 inches (4 mm) up from the bottom edge.
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Very carefully cut along the marks you made with a pair of scissors or a razor blade.
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Before removing the backing, place your adhesive strip on the iMac and make sure the notch lines up with the microphones.
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Grasp the red film pull tab on the 4R adhesive strip and pull to remove the backing from the strip.
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Align the strip on the bottom edge of the rear enclosure such that the right end of the strip sits next to—but does not overlap—adhesive strip 3.
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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.
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Repeat the previous step for the 4L adhesive strip, placing it along the left half of the bottom edge of the iMac.
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Gently set the display in place over the iMac and align it carefully.
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Use painter's tape or masking tape to temporarily secure the bottom edge of the display to the iMac's enclosure.
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Insert the display power cable into its socket on the logic board.
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Use a pair of tweezers or your other hand to gently insert the display data cable connector into its socket on the logic board.
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Secure the metal retaining bracket on the display data cable downwards towards the logic board.
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Set the display back on the iMac's rear enclosure.
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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.
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After confirming that your iMac functions properly, disconnect the display cables and carefully lean the display forward.
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Remove the film from the two bottom strips by reaching in from above with a pair of tweezers and pulling the blue tabs straight up from the bottom edge of the display.
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Reconnect the display power and data cables for the final time.
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Outil utilisé dans cette étape :Microfiber Cleaning Cloths$3.99-
Steady the display with one hand as you remove the protective film in the following steps, or rest it lightly against the iMac's enclosure.
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Remove the protective film from strip 01 by pulling its tab straight up.
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Remove the other side of the protective film from strip 01.
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Repeat the previous steps to remove the protective films from all the remaining adhesive strips.
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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.
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Remove the tape securing the display to the rear enclosure.
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3 commentaires
Thank you. Very detailed instructions. Very helpful.
This is a great guide!