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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.
A photo of the disconnected power connector would be helpful in seeing how the tab release works here.
Where can I find a tube of this non-permanent tacky adhesive?
During reassembly keep in mind the bottom half of the trackpad is the half with motion. This top edge is to be secured tightly to the top brackets. Previous tip was helpful regarding rear pressure during reassembly.
This step is only needed if you’re replacing the ENTIRE top case. Simply swapping out the trackpad unit does not make this step necessary. This entire tutorial assumes you’re replacing the entire top case which is an expensive mistake if you’re simply replacing the trackpad and/or keyboard. The keyboard is removable as well despite those many tiny rivets. Save money and time by not replacing the entire top case for a bad trackpad and/or keyboard. I needed to accomplish this step because I also removed and replaced the keyboard.
If your keyboard and/or trackpad need replacing you do not have to replace the entire top case.
Replacing the entire top case is not necessary with the common spilled beverage situations. You can purchase a trackpad as well as keyboard for much less than the cost of an entirely new top case. Why replace the expensive aluminum top case unless it is itself broken which is unlikely.
I did not remove the display assembly at all. I replaced both the trackpad and keyboard without removing the display assembly.
This step is required only if also replacing the keyboard.
I was able to cheaply replace the keyboard as well as the trackpad, both without replacing the expensive aluminum frame. I followed these steps and then added a few to the end. I was able to easily remove the keyboard black cover/film by lifting the adhesive edges from the case. Then I removed the white backlight layer. Unlike earlier Macbook Pros, this Air model has the keyboard both screwed AND riveted to the aluminum frame. No biggie! I removed the tiny black screws from the keyboard edges then used pliers to pull the keyboard away from the aluminum frame. With this method I removed about 80% of the rivets which left perfect holes for the screws that came with the keyboard. After seating the new keyboard unit I was able to fasten it to the aluminum frame with screws on the keyboard edges as well as in the popped rivet holes. This tutorial can be modified near the end to create a keyboard replacement tutorial. See Rivet-pop method on YouTube, 20min into this video:
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