Aura H2O Aura H2O replacement screen, no touch

rhy7s · 11-23-2017, 01:25 AM

I've got a friend's Aura H2O here, that he had got a replacement screen for and partially disassembled but wasn't comfortable going further. I've replaced the screen and it boots back up fine but touch doesn't work. I've taken it apart and reseated everything a couple of times. What should I be looking for that would interfere with this function?

frostschutz · 11-26-2017, 11:31 AM

It only works with the front bezel in place. if the bezel was bent, warped, otherwise damaged it might stop working. if it looks fine you can try your luck simply cleaning it.

basically what the bezel does: https://www.mobileread.com/forums/at...hmentid=139436

if the bezel is either obstructing or not redirecting the IR properly it stops working

of course, it could also be the ir emitter / sensor grid on the mainboard itself. but a simple screen damage should not affect that. unfortunately there is no way to test.

(ie I'm not aware of a software solution that helps debug individual components of the touchscreen, otherwise you could tell where things are going wrong)

maybe this could be done directly in the kernel somehow - no idea if the touch logic is done in software or by a dedicated chip or what

11-23-2017, 01:25 AM	#1
rhy7s Junior Member Posts: 8 Karma: 10 Join Date: May 2013 Device: Kobo Touch / Sony PRS-T1 / Sony PRS-T2	Aura H2O replacement screen, no touch I've got a friend's Aura H2O here, that he had got a replacement screen for and partially disassembled but wasn't comfortable going further. I've replaced the screen and it boots back up fine but touch doesn't work. I've taken it apart and reseated everything a couple of times. What should I be looking for that would interfere with this function?

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11-26-2017, 11:31 AM	#2
frostschutz Linux User Posts: 2,282 Karma: 6123806 Join Date: Sep 2010 Location: Heidelberg, Germany Device: none	It only works with the front bezel in place. if the bezel was bent, warped, otherwise damaged it might stop working. if it looks fine you can try your luck simply cleaning it. basically what the bezel does: https://www.mobileread.com/forums/at...hmentid=139436 if the bezel is either obstructing or not redirecting the IR properly it stops working of course, it could also be the ir emitter / sensor grid on the mainboard itself. but a simple screen damage should not affect that. unfortunately there is no way to test. (ie I'm not aware of a software solution that helps debug individual components of the touchscreen, otherwise you could tell where things are going wrong) maybe this could be done directly in the kernel somehow - no idea if the touch logic is done in software or by a dedicated chip or what

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