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Model No. A1367 / 8, 16, 32, or 64 GB capacity

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Distortion or white screen when pressing new screen to adhesive?

After replacing the LCD assembly in the Touch 4th generation, I often test the screen before pushing down onto the adhesive by slipping an extra home button under the LCD and powering on the device. Once i see that working, i then complete the repair by pushing the glass into place on the adhesive. I find that pressing the edges of the glass down to make the adhesive adhere sometimes causes me to get a white screen. I have had situation where after this happens I have experienced several problems (with different devices):

1) A hard reset to try and recover causes the device to turn off and never some back on. At this point the device is no longer even recognized by iTunes. i is as though something shorted out.

2) After disassembling and reassembling, carefully checking the connections, i still have a white screen.

Has anyone else experienced things problems on that final step of pushing the digitizer against the adhesive? Any advice/lessons learned?

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I lift the bottom of the iPod about 20 degrees and slip the top part of the glass in first, then gently run my fingers down the sides of the glass seating it. If done properly, you should feel a few gentle snaps. I wouldn't recommend pressing down on the glass other than the edges and I described as it can cause problems with the digitizer.

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When you put the glass back on, make sure to put the correct "Z" fold in the thin ribbon cable too.

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I would test your screens in a different manner. The way to go about it is when you have iPod opened up, right after you attach the digitizer plug in the LCD and use the lock button to wake it up and make sure your touch screen works. After that just close it up, no need for any extra home buttons.

Are you using the metal bracket from the old screen? If so make sure it is aligned properly so it will slide into place without issues. Try to visualize where the clip attaches to and kind of slide it in. As John said go from the top down when sitting the screen into place.

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