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NST: erratic or unresponsive touch-screen (and it's not caused by dirt)

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By marcoNST, Junior Member on 13th May 2014, 02:46 AM
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6th February 2015, 09:10 AM |#21  
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Path blocked at the top end
Hi Renate NST,

I have the very problem you mentioned, the top end of my NST is a bit "loose" in such a way that I have to press (and keep pression) abow the "nook" word to have the touchscreen working properly. My solution so far is to use a clip to keep the region squeezed.

Is there any fix?

Thanks.

Quote:
Originally Posted by Renate NST

I've been playing with my problem Nook and I've gotten it a lot closer to working.
The mechanical alignment of the components is very critical.
It's all held together with double stick tape.
Especially the top end is sensitive, that has the biggest span of plastic in the IR (internal) bezel.

But I don't think that this is your problem.

 
 
6th February 2015, 11:20 PM |#22  
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Quote:
Originally Posted by barbas66

Hi Renate NST,

I have the very problem you mentioned, the top end of my NST is a bit "loose" in such a way that I have to press (and keep pression) abow the "nook" word to have the touchscreen working properly. My solution so far is to use a clip to keep the region squeezed.

Is there any fix?

Thanks.

I mean, you can always open up your Nook and see what the problem is. If the back is bent, you can bend it back carefully. If you can't see what the problem is, try putting the back onto the Nook again, and see if it works properly again. Lastly, if you put the back on and it doesn't fix it, try using double-stick tape on the inside of the Nook to keep the back fixed to the front bezel.
7th February 2015, 01:36 PM |#23  
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There is bound to be minor problems at the top and bottom edges.
The question is whether it's really the source of your problems.

Dragging things in your launcher is a good test.
If you drag things and they always end up at the top when you release them, then your problem is significant.

The problems is, mucking with the mount is really a big can of worms.
I took apart one of my Nooks, disassembled the bezel and removed all the old tape.
I cleaned the goo off and put it all back using that super-sticky double-sided tape that comes with plastic winter liners for windows.
It's 95% good, but that's hardly good enough.
I think that you have to use even thinner tape than I was using.
I've thought about using glue, but I'd want something that dried slowly.
Glue the whole thing together, set it on a board with lots of bar clamps,
Make the touch display as clean as you can, then let it dry.
21st July 2015, 04:53 PM |#24  
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Renate NST, thank you for the Touch Diagnostics - it had just helped me with my NST that gone a little crazy (sensor readings were all shifted about 3cm to the left) after a 1,5 meter fall on the pavement. Thanks to you I could pinpoint exactly where to apply force to bend the bezel back to the proper shape. Now all the sensors work perfectly. Previously your application showed one dashed thick black line, now it went to light grey dashed line, which is satisfying enough. Thanks again!
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