touch inaccurate when using finger on screen - General Topics

Hi,
When I use my finger on my HTC trinity screen (rather than using the stylus) sometimes the start menu opens. At first I didn't understand why, but then when I opened the notes application and used my finger to draw on the screen I noticed that sometimes a line appears from my finger to the top left corner of the screen, even though I didn't touch there... It's as though the screen is confused and it detects a touch on the top left corner.
Anyone have a clue why this is happening?

Have you tried recalibrating it?

yup, tried that but it still maintains.

I had problems on my i760 with the screen, here are the steps you can do, not really much:
1. Recalibrate
2. Hard Reset
3. Return for new device

Related

ASUS P535 Screen Alignment Problem

Hello there,
I have problem with my screen alignment.. ASUS P535. It repeats again and again.. I updated my ROM and nothing happend. Then I've changed digitizer on my LCD. It worked, but for 1 time. When fresh copy of ROM started. Screen alignment was correct. When I've got loaded my WM device restarted and asked to align screen. And nothing happend. And it again repeats.. What should I do now? Maybe is there a way to upload screen align file direct to my ASUS P535? Or any other suggestions..
This happened to my bother-in-law on his omnia. he had it replaced 3 times. 3 devices, 3 bad screens after a few weeks each. The alignment was way off, and if he hard reset.. he got stuck on the alignment screen and could not go past it.
Tapping all 4 corners and then the center should all line up perfect or it will repeat until it's right. If the screen is messed up.. (Not registering the taps accurately) this would cause your problem.
I know you replaced your digitizer, but I think you have bad hardware.
did you notice the screen was not accurate before this happened?
Yes. It was not accurate. Half screen from top was accurate, but other half not.. I had to tap screen ~1cm lower to hit correct 'button'.
Ok.. If hardware is broken. So then which part? Or just I'll take my device to pro to fix it.. If it will be possible..
I also used Remote Screen Alignment software. It solved align problem, WM is working, but everywhere I tap, it taps bottom right corner.

[Q] Bottom of screen all that works?

I bought my g tablet a few days ago and noticed today that the bottom half of the screen is all that works now. Its not even the bottom half really, just about a fourth of the screen, the bottom fourth is all that works. This allows me to select anything at the bottom of the screen but anything in the other 3/4 of the screen doesn't work. So I cant open my app drawer, etc etc. It will work for a few minutes and then not work again. I tried restoring to a point before it stopped working and that didn't do anything. I also tried the obvious thing of rebooting and nothing.
Any ideas?
Hardware defect, return for exchange.
Has this happen to anyone else?
Did a user data wipe in Clockwork and its working now.
Well, nevermind. I downloaded "Touch Test" off the market when it was working and placed it at the bottom of my screen so I could actually see what was going on if it happend again. Well its doing it again so I fired up Touch Test and sure enough it works perfectly at the bottom of the screen but the top 4/5ths is very laggy and doesnt register most touches.

[Q] Quirky Touch Screen Problem

One of my phones is an HTC Surround that i don't use that often but still want it to work. To the issue though, each time the phone is turned on (not powered on, just woken) the screen refuses to work on the right side. In order to get past the lock screen you have to swipe up on the left side. After that the right screen becomes 'active' only after you swipe the left screen again. The home button and the search button on the phone only work after sliding the left side of the screen down and hitting the back button, once that task is accomplished the entire phone works perfectly and no more issues develop. This has been driving me crazy trying to figure out why its doing this. I reset the phone twice, both through the reset in the settings and doing a hard reset. When neither of those attempts worked i put it in bootloader and flashed this release (http://www.filefactory.com/file/b48...S_1.03.502.07_5.51.09.06_22.30.50_RELEASE.exe) to it and it still continues with this wierd touch screen issue.
I could probably just throw the phone away and not care but i'd prefer to fix it and sell it. Plus its driving me insane trying to figure out the issue.
(apologies for the wall of text http://incredibly.ytmnd.com/)

[Q] Touchscreen problem - can't draw lines in apps

I've come across an issue with the touchscreen. In apps where you draw a line across the screen by dragging your finger - e.g., Air Control HD & Sketchbook Mobile - I'm finding that I can only draw short lines. After dragging my finger a bit (it varies from a few inches to something very short), the screen no longer registers the touch. It doesn't seem to be dependent upon any particular part of the screen. This is on stock US JB. Any thoughts?
Have you tried a cold boot?
Assuming software can't fix it take it back as it has a defective touch screen. Mine doesn't behave like that in air control hd.
sbdags said:
Have you tried a cold boot?
Assuming software can't fix it take it back as it has a defective touch screen. Mine doesn't behave like that in air control hd.
Click to expand...
Click to collapse
I can readily draw lines in the Notemaster app so it would seem that this is not a h/w problem. I have cold booted several times, too.
OK, this is a h/w problem and I have to RMA this baby.
I can go into Developer Options and enable Debugging Mode. If I enable Pointer Location and then draw my finger back and forth across the screen in landscape mode I can see an area about half an inch wide in the middle of the screen where the drawn line is broken. This dead area extends from the top of the screen to the bottom. If I enable Show Touches, I can see the visual feedback jump over this dead area, not glide through it. I have done a factory reset but no change occurred.

[Q] Touchscreen unresponsive area

Hi, I have problems with touchscreen on my sensation xe. The touchscreen is unresponsive in lower part of screen. Sometimes it's working properly but just for few minutes. After heavy usage it also starting making fake touches on the area.
First picture in attachments shows what happened when i slowly swipe from top to bottom.
Second picture shows what happened when i swipe with one finger on the "failed" area from left to right. Even single touch on this area makes two fake touches or nothing.
I want to ask you if you experienced similar issue and if so how you solved it?

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