Hi,
I’m cleaning the back of the display by removing the old adhesive.
I’ve noticed that there are two layers of adhesive: the first one is sticky and there are only bits (first image)
the second one is black, smooth and well glued to the display (second image)
Should i remove the second layer?
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NO! You went to far…
The black tape should not be removed. Carefully lay it back down use some contact adhesive to glue it down.
The first image of adhesive is all you’ll need to remove using a Cotton swab (Q-Tip) and some Goof Off you’ll still want to wipe down the area again with reagent grade 85% or better isopropyl alcohol (do to COVID supplies of good quality isopropyl alcohol is very difficult). Make sure both surfaces are spotless of any old adhesive and the tapes you use are fresh in a air tight bag (not dried out). I use a variable temp heat gun to warm the case before I apply the tapes and I also heat up the glass as well so i either is warm to the touch. And lastly I use a J Roller to apply pressure while the glass and case are warm (reheating the edge if needed) Just be careful you don’t press to hard or unevenly or have any dirt on the roller as you don’t want to break the display!
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thank you very much, well explained :)
good evening
This is probably too late to get a response but …
I have that final layer on the screen but it is sticky and I have partially removed it using cellulose thinner and a spatula. It doesn’t seem correct to leave a sticky layer as it can never be clean for a new bond. Any suggestions please?
@tonyboulton - I use Goof Off (click on the link above) and then I use reagent 90% isopropyl alcohol to remove the film left by the Goof Off citrus oil as it will interfere with the replacement tapes adhesion. But that is only part of the story! You still need to make sure the tapes adhesive ales a good bond to the glass and metal, this is where a heat gun is important in the cold weather and a J roller to help press the display into the frame being careful not to roll the edge to hard as you can crack the glass and you don’t want to cook the LCD as well as limit the area that you heat. Some people use a heating pad to warm the display and just use a heat gun on the case.
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