touchscreen calibration - myTouch 4G Q&A, Help & Troubleshooting

It doesn't seem like anyone is having the same problem that i'm having. It seems like i have dead touch area's on the screen. I can't type on certain buttons like n, j, i, e. It also seems like when i try to scroll my finger down, theres dead area that doens't read the finger. anyway to recalibrate this? not sure if i'm making a whole lot of sense.

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Problems with screen calibration

Hi people!
I have a problem with the screen of my touch dual. After some hours it loses the calibration and it thinks you have pressed a bit more to the left, making impossible to close programs with the "X" and making more difficult to use the camera among other things.
I have the service manual, but I didn't find any way of readjusting the touch screen. Does anybody know how it's done?
Thanks
It's a common habit for touch screens to lose alignement.
So they made a way to re adujst it. Just go to Settings/screen then proceed with the adjustment procedures.
But if this happen too mnay often, there may be something wrong with screen itself or a faulty application
Yes, I thinks something happens with the screen, as it happens too often and sometimes when you move vertically the Nike thinks I have draw some kind of doodle
Well, I guess it needs to go to the mechanics

Edges of screen unresponsive?

Anyone else notice that the edges of the screen on the cmda diamond, cdma pro, and the HD seem to be MUCH less responsive than the screens of previous devices?
I "miss" the exit and start menu buttons pretty often and its pretty annoying lol.
Also the notification/title bar area plus other buttons along the bottom and side.
The rest of the screen is more responsive certainly than say the vogue, mogul, diamond or tp. But its the edges of this and the last 2 mentioned devices that get me..
Well I also feel it's less responsive, but not so much actually. Besides this is caused by the technology of the touch screen.
pozytywny said:
Well I also feel it's less responsive, but not so much actually. Besides this is caused by the technology of the touch screen.
Click to expand...
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You mean the edges or the whole thing? The main part I feel is more responsive...
Edge responisiveness depends highly on screen calibration. Try to recalibrate screen more precisely, I think situation should improve ...
kosta0955 said:
Edge responisiveness depends highly on screen calibration. Try to recalibrate screen more precisely, I think situation should improve ...
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Click to collapse
Hey thanks a lot. Thought the same thing myself.
Re-calibrated as accurately as I possibly could.
Still no go. I would really like someone else to try this. Take out your stylus even and press in the very corner of the X-button...you get nothing.
Sort of fix: I found that if you hold your press just a little longer it registers (much better) though I'm not quite convinced that it's still normal nor complete.
jim256 said:
Still no go. I would really like someone else to try this. Take out your stylus even and press in the very corner of the X-button...you get nothing.
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Click to collapse
I don't see any problem in pressing X-button on my Touch HD. I had similar problem like yours using right vertical scrollbar and recalibration helped, so I though it might help you too, but unfortunately it seem this ain't the same problem
kosta0955 said:
I don't see any problem in pressing X-button on my Touch HD. I had similar problem like yours using right vertical scrollbar and recalibration helped, so I though it might help you too, but unfortunately it seem this ain't the same problem
Click to expand...
Click to collapse
Hmm...I wonder if I should try to get it replaced under warranty.
I would want to, but I have noticed the same problem in a sprint diamond in the store, a sprint touch pro in a store, and a friends sprint touch pro.
What do you (guys) think? Replacement? It could get really annoying...not being able to close out of things. Right now since its new and awesome and stuff I'm kind of trying to ignore it or whatever but...hmm idk.
The fact that the screen is less responsive near the edges is caused by an inherent technical limitation of resistive screens. The screen has no real bezel, and thus, the screen is attached to the body frame right where it ends: at the absolute edges of the screen Where it is attached, it cannot move. A little further away from the edge it can move (eg be pressed down) but this requires more force since you need to bend the screen much closer to the fixed edges than when you would press the center of the screen, which bends the easiest.
Don't know if this makes sense, but it's like a window... Hitting it in the centre will break it much easier than when hitting it close to the edges, since the glass bends much further/easier at the center, so the same force will have more effect.
Anyway, resistive screens have this problems, capacitive screens do not, obviously, since they do not rely on pressure.
If hitting the OK/Close button is a problem for you, just use the hardware button below the screen, the one with the arrow on it. It does exactly the same thing I believe. With 'I believe' I mean I assigned OK/close to that button using AEButtonPlus, which should be the default behavior for pressing it once. I find this to be much more convenient than trying to hit that tiny X/OK button.
nin2thevoid said:
The fact that the screen is less responsive near the edges is caused by an inherent technical limitation of resistive screens. The screen has no real bezel, and thus, the screen is attached to the body frame right where it ends: at the absolute edges of the screen Where it is attached, it cannot move. A little further away from the edge it can move (eg be pressed down) but this requires more force since you need to bend the screen much closer to the fixed edges than when you would press the center of the screen, which bends the easiest.
Don't know if this makes sense, but it's like a window... Hitting it in the centre will break it much easier than when hitting it close to the edges, since the glass bends much further/easier at the center, so the same force will have more effect.
Anyway, resistive screens have this problems, capacitive screens do not, obviously, since they do not rely on pressure.
If hitting the OK/Close button is a problem for you, just use the hardware button below the screen, the one with the arrow on it. It does exactly the same thing I believe. With 'I believe' I mean I assigned OK/close to that button using AEButtonPlus, which should be the default behavior for pressing it once. I find this to be much more convenient than trying to hit that tiny X/OK button.
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Click to collapse
Hey thanks for your informative opinion.
This theory seems to fit, except it doesn't quite explain nor fit with these 2 things:
1. I can apply a pretty decent amount of pressure in the corner with no results whatsoever. But I can get full results if I apply less pressure for about .5-1 second rather than just tapping.
2. I have never seen any evidence of this on any other resistive touch devices (vogue, titan).
Why in the world do these resistive touch screens have to suck so bad anyway? The HD is the best I've seen lately, but does HTC just suck at it, or is it everyone (haven't owned a non-htc ts device for a yr or so, and that was a treo where I didn't really notice sensitivity).
My dad has a 3+ yr old Dell Axim X5 and that screen is AMAZINGLY sensitive. Responds to stylus and is too old to be capacitive. But it is literally 100% as responsive / sensitive as the screen of the iPhone. When I used it I couldn't believe it. You had to be VERY delicate and careful and trying hard to touch that screen and not have it know.

HD2 oudside in the cold.

I tested out the HD2 outside in below freezing temps, and it really had a tough time registering my finger presses. It took about 5 minutes, before it could register properly... Anyone experience these issues?
Yes, and the wind keeps pressing things which makes it almost useless. I'm hoping some of the hints here on how to make it less sensitive will help but I haven't tried it yet.
I've noticed the "ghost" pressing (the screen registered a LOT of presses when my fingers were nowhere near the screen) of the screen too. I also contacted HTC support on the issue, and they said it was not a known problem.
So, again, I'd suggest that if you're experiencing issues with the screen in cold temperatures (finger touches not registering, "ghost pressing" etc.), let HTC know about it!
i got that kind of ghost typing too. pretty funny to watch but annoying when you see its deleting mails, answering sms or calls people ... will contact htc as well to let them know.
Confirmed here too. Though I thought it was caused by constant rain/snow here in Moscow, which fell directly on the screen when the ghost tapping occured.
Yeah I get the ghost tapping but only after i've been in a call and hang up, it then starts doing all sorts of things by itself normally ending up with dialling someone!! :/
I dunno about the ghost-typing but isn't it a common fact that capacitive screens don't work well with low temperatures?
That's a capacitive touch-panel "Feature" . HTC can't do anything about it (besides lowering the screen sensitivity).
edit: Umiss beat me to it lol
you can lower the screen sensitivity either by installing the new 1.48 rom or using the cab from the hints and tweaks thread in opening couple of posts. Should help.

[Q] G2 wont register touch input,

My LG G2 wont register touch input properly. It happens nearly all the time, e.g. i am typing and it works like a charm and suddenly it starts missing keys which earlier were just fine, similarly i am missing swipes everywhere like in home screen and games but they are less frequent as compared to the touch missing the input completely. I am really worried as i just spent a lot on this and where i live all the sets are imported from abroad so no warranties of any kind,
Has any one else experienced this and if yes is this a hardware problem or a software one, and above all guide me on what to do. Thanks in advance for your comments
umerayub said:
My LG G2 wont register touch input properly. It happens nearly all the time, e.g. i am typing and it works like a charm and suddenly it starts missing keys which earlier were just fine, similarly i am missing swipes everywhere like in home screen and games but they are less frequent as compared to the touch missing the input completely. I am really worried as i just spent a lot on this and where i live all the sets are imported from abroad so no warranties of any kind,
Has any one else experienced this and if yes is this a hardware problem or a software one, and above all guide me on what to do. Thanks in advance for your comments
Click to expand...
Click to collapse
I have this sometimes but i have realised that it is my own fault as the screen is rather large and i touch the edge of the screen with the base of my thumb, which seems to make it ignore other touch events on the screen
aliaksei said:
I have this sometimes but i have realised that it is my own fault as the screen is rather large and i touch the edge of the screen with the base of my thumb, which seems to make it ignore other touch events on the screen
Click to expand...
Click to collapse
I also thought that i was doing something like that but then i picked it up in my hand and touched with a finger from the other hand carefully avoiding any unintended touches but still it keeps on missing taps during selections across menus and what not.
Is something causing your CPU usage to spike? If this is happening, launching an app like OS Monitor while it is happening will point out the offending app.

Touchscreen Issues

Hi everyone,
I finally updated from my Z1 Compact, and have experienced some touchscreen issues with my X Compact.
Top left corner ("back" in most apps) needs a lot of pressure to react
swipe-behaviour is sometimes erratic, meaning it only registers a very short swipe or a touch.
I get ghost-taps on the navbar, but only the navbar, and only when tapping. When I touch one button, sometimes I get a simultaneous touch on a second. Back and taskswitcher has happened, so it's no proximity-thing.
These problems mostly happen when using light touches. When I press very deliberately, like my granddad, it works. I'm a bit disappointed. Does anyone have similar issues? Or no problems at all? And if so, what ROM are you on? I want to find out if this is a software problem, a batch problem or a systemic hardware issue.
I'm on 34.1.A.3.22

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