Display registers touches without me touching it! How do I fix it? - G2 and Desire Z Q&A, Help & Troubleshooting

It seems that my screen is registring touches without me actually suching it. If portrait the problem seems to be at the upper right corner if the phone is in protrait mode. What do I have to change to fix it?
(I used Touch Test to see how it registers touches...)

replace digitizer if its hardware problem, if it a software problem flash a new rom after a full wipe
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demkantor said:
replace digitizer if its hardware problem, if it a software problem flash a new rom after a full wipe
Sent from my HTC Vision using xda premium
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You say it may be a software problem: Has this happened before to other members?

I truley doubt if its a software problem, but go ahead and wipe everything the flash a different rom. if you problem still is present then spend 20$ on a new digitizer
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Related

Flipped capacitve touchscreen input

So I've been experiencing an odd issue intermittently. I'll be using my phone normally, and out of the blue, the touchscreen input gets flipped along the vertical centre axis in portrait mode. this flip remains when i change the phone to landscape mode (the issue itself doesn't flip). It's an odd phenomenon that disappears once I reboot, but I thought I'd record and upload for all your curiosities' sakes.
http://youtu.be/GEwfa1GYLj4
I've got the same problem but it doesn't go away when I reboot...
Can anyone help?!
Experienced the same issue. Rebooted and it was fine. Unnerving to say the least.
Have you tried a factory reset? And/or reflashing ROM
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I've tried rebooting, tried resetting to factory settings and now I will attempt to reflash the ROM.
From the power of google it appears that this is an issue with a lot of tablets and that it's a driver issue. Mine happened only after I replaced a faulty lcd so that would make sense. I'm still not confident on how to fix it though!
Doubt that reflashing is going to help, then. If you can get the device to run a recalibrate you may be in business.
Installing a nandroid on my WinMo TP2 there was a calibrate app in the ROM that ran in the command line before the GUI loaded up. Hopefully you can find something like that.
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CORRECTION
it was not the nand version but the version that loads from WinMO with Haret. Maybe you can look at one of these files and extract the calibrate code or find out where it came from.
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igor45 said:
CORRECTION
it was not the nand version but the version that loads from WinMO with Haret. Maybe you can look at one of these files and extract the calibrate code or find out where it came from.
Sent from my Desire Z using xda app-developers app
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Thanks Igor - that's the most constructive answer I've found to the problem.
Having said that, I'm not sure I possess the neccessary skills to extract the calibrate code and secondly I still hold out hope that it's a driver issue. The reason I say that is because the old lcd was working fine in so much as left and right worked ok (just the display and colours that were ruined) and the problem only started when the new screen went in!
But I guess that still leaves me needing to extract lcd driver files.......
yw
...been googling the issue and it seems that you can get Android to force a recalibrate. IF you're rooted and handy with adb or terminal emulator.
...now that might not fix your issue BUT it might.
Google for ts_calibrate and ro.calibrate
Sent from my Desire Z using xda app-developers app
igor45 said:
yw
...been googling the issue and it seems that you can get Android to force a recalibrate. IF you're rooted and handy with adb or terminal emulator.
...now that might not fix your issue BUT it might.
Google for ts_calibrate and ro.calibrate
Sent from my Desire Z using xda app-developers app
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Well I'm not rooted... yet! But I've been working on it (looks like I need a goldcard...) I'm not especially handy with adb but I can follow instructions and have a very small amount of common sense
So I'll try it!
Thanks again for your help man - very much appreciated.
Make sure that you use the gfree method from the wiki page for rooting. And read n re-read before you do it for a flawless and easy root.
Sent from my LG-C710h using xda app-developers app
Any luck? facing the same issue
Hi, I am a noob and wondering what is the solution to this problem?
After installing the TeamBURST ROM on my andoird the screen is working fine in the bottom half but the upper half has the y-axis flipped.
Appreciate any inputs that point me in the right direction (I just started rooting and flashing yesterday so fairly know but I do know coding).

[Q] Unable to go past boot screen after replacing Digitizer.

So I got a digitizer from eBay and replaced it myself. (I had a defective touch screen)
Now, I can't seem to boot past the boot screen (kernel). It would get stuck at Sony Ericsson (for stock kernels), the wolf logo (LuPuS), etc.
I've tried using flashtool to flash a stock ROM but to no avail.
Anyone have any ideas?
Bump. No one? I'm using an iPhone and.. I hate it..
Maybe you could try to reassembly the new digitizer, i've replaced my digitizer too but with frame from ebay and everything ok
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wedhusman said:
Maybe you could try to reassembly the new digitizer, i've replaced my digitizer too but with frame from ebay and everything ok
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Mine's with frame too. I've tried taking everything out and putting everything back in again, still the same.
Thanks though!
Must be SW problem, if you can see the kernel/boot logo.. Or the flex cable in the HW has bad contacts. But... Even flashing other ftf causes same?
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wuby said:
Must be SW problem, if you can see the kernel/boot logo.. Or the flex cable in the HW has bad contacts. But... Even flashing other ftf causes same?
Sent from my R800i using xda app-developers app
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May I know which is the flex cable? There is one that seems to connect the touchpad to the motherboard, I have had trouble trying to insert that cable. Might have damaged it in the process..

[Q] No sensors working after reboot.

Hi, Im currently on the stock JB with a CID 001. My problem is that once I flash a rom none of my sensors work, after a few times holding the power button for a reboot they will start to work again. Im able to calibrate the G sensor in settings while they work but if I turn off my phone they will stop working.
This started happening after I updated to JB, I have tried using ARHD and Maximus with no difference. Each time I flash a rom they work but after they phone turns off they stop working, not just a few its all of them.
Any suiggestions please?
Just in the middle of updating my hboot to 1.39 so hopefully this helps
EDIT: after re flashing with maXimus 11 and hboot 1.39 the sensors didn't work. I restarted the phone holding the power button but that didn't help, done it again only holding the up button when the htc screen appearing when rebooting.
Any suggestions would be greatly appreciated. Thanks
Also im going to install the two OTA updates here and see if the sensors will still work after these.
Installed the first update and the sensors stopped working and then installed the second and they started working again. I think once I turn off the phone I won't be able to get them to work again. Sorry about all the posts but I'm trying to give as much information as possible.
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My phone ran out of battery there for the first time since I flashed the rom so was the first time the phone has been rebooted since the updates. Now the sensors have stopped working again. I have tried rebooting several times, Killing all tasks using the task manager then rebooting but nothing. The only way to get them going again is to re flash the rom. Any help please?
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Any help at all? I haven't had any sensors since the last update which is pretty annoying. Thanks
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Karl. said:
Any help at all? I haven't had any sensors since the last update which is pretty annoying. Thanks
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I lost my gyro/compass/orientation at one point a few months ago... I tried several full wipes and different ROMs, nothing changed. However, what did fix 'em was when I relocked and flashed a stock O2 RUU to return it via my operator. Its been fine since.
So your saying the only thing to do is to send the phone back to O2 for a replacement? I opened my phone so I take it that's my warranty void anyways? But suppose I could always try. Thanks, also just compared my loud speaker to my brother phone and mine is awful compared to his
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So after booting the phone into recovery and wiping the two caches and fixing permissions I was able to get the proximity sensor working after two reboots but after another it stopped working again. Any idea's?
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Karl. said:
So your saying the only thing to do is to send the phone back to O2 for a replacement? I opened my phone so I take it that's my warranty void anyways? But suppose I could always try. Thanks, also just compared my loud speaker to my brother phone and mine is awful compared to his
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No, sorry - I didn't send it back to O2, I flashed the RUU with the intent of doing so and that's what fixed it! Sorry for being confusing!
System problem,don't mention that.Flash another rom .That will be fixed.
JohnYang1997 said:
System problem,don't mention that.Flash another rom .That will be fixed.
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I have already tried the European standard ruu along with maximus and arhd so unless I try the branded O2 stock rom. I will do this tomorrow. Thanks
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Has any body any more ideas? This is getting very annoying. Thanks
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If flashing an actual o2 RUU didn't work (I was a bit confused by your previous posts as you can't flash an unbranded RUU on a branded handset...) If that didn't work then its a hardware fault. Or at least a software fault that can't be fixed without the software they use in an hTC service centre.
My phone isn't branded but I got it of O2. I might just re lock it and send it back as I don't seem to be getting anywhere with this. Thanks for all your help but.
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So after I rebooted my phone tonight all my sensors have started to work. I don't know what's happening here at all and I don't want to reboot or let my battery die incase they stop working again. I also noticed compared to my brothers one x his screen is alot brighter than mine?
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So I flashed the stock RUU and sent it away for repair and they just sent it back saying there was physical damage, Im assuming this is just that I have opened the phone. So there still isnt any sensors working, any ideas please?
I am experiencing the same problem with the sensors... still didnt find a permanent solution. I rebooted like 100 times, eventually they worked, then after a reboot they didnt.
I came across this topic, maybe it will help
http://forum.xda-developers.com/showthread.php?t=2420209

Broken G-sensor?

My phone suddenly stopped auto-rotating the screen. First I thought it was SW, but after a factory reset the problem is still there.
Does this mean my G-sensor might be broken?
Yes.
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S*** phone.. Gonna send it in for repair then.
Case closed.

[Q] Weird touchscreen issue

Hi... my screen 'died' at the bottom. It doesn't register touch at all. I've attached screenshot from service menu. Anyone experienced problem like this? I'm using stock rom and kernel.
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All stock ? Try a factory reset from the bootloader......
I will try that.
Btw. Sometimes it is not responsive at all and after while it's working on whole screen surface... If hard reset does not help, it could be a hardware issue...
Sent from my HTC One X using xda app-developers app
Yep probably is hardware related. Try the factory reset and check.....
Yup... it's hardware related. God dammit... two weeks without phone, again. So... I had yellow spots, wifi issues and now touch screen issues
Time for a new one then !
Hope you get it sorted soon.....again !
Cheers
Mr Hofs

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