[Q] Touchscreen acting weird?!? - G2 and Desire Z Q&A, Help & Troubleshooting

Hi folks,
since monday I have got my HTC Desire Z and it's my favourite phone of all time until now.
But there is a small problem with the touchscreen.
I get SMS messages and read them.
After that I want to answer the messages and begin to write with the HW-Keyboard.
Then the party begins. The Screen which shows my answer while I'm writing begins to jump up and down. If I try to stop it with my finger, like hunting a small bug or something , it shows me the little zoom windows for marking,copying and cutting text.
I've factory resetted the phone, but the problem is still there.
It has got the Stock ROM and 2.6.32.21-gd2764ed Kernel.
(I overclocked the phone yesterday, bu the problem appears since the first day, not since the OC)
Thanks guys,
sergioka

There's a known issue described at http://forum.xda-developers.com/showthread.php?t=829535
But on my phone at least, it just "jumps" once, it doesn't go up and down if that's what you're seeing (unless you specifically go and start swiping it etc).

Hi, I made two videos.
This time such a thing didn't happen in the Messaging Mode, but in the homescreen.
Should I send this phone back?
Thanks in advance
Sorry for the bad quality, had to record and recode it as fast as possible.
Edit:
second video had problems

sergioka said:
Hi, I made two videos.
This time such a thing didn't happen in the Messaging Mode, but in the homescreen.
Click to expand...
Click to collapse
I've had some weird things happening with my touchscreen in the last few days. But I'm pretty sure this is connected with a new screen protector that I put on, because the problems happened around the same time. If I lift the screen protector and touch the screen when it's gone non-responsive, it works.
Have you got a screen protector ?

Hi, I have a screen protector,
but the problem happened the same before.
....
....
Now, I have lifted my protector to test the device again without it.

The Screen responses in the same way without the protector and in cyanogenmod
It's like having a high end gaming pc which has sometimes problems with fifa soccer 2000

Did you do full wipes when flashing your rom? It looks to me like it's the rom glitching as it gets stuck between screens, then like a millisecond freeze up before it catches up again?
Does it happen all the time? Is it ever OK after a reboot? Do you have setcpu installed?... settings please. Any setcpu profiles?..if so, are the frequencies being set correctly at wake up?
Download your rom again, check the md5 checksum. Full wipes.
Sent from my HTC Vision using XDA App

Tried all the things you've described. At first I thought that it's ok, but after a while in some situations the saga continued
I'll send it back to get a new one

Your problem looks exactly like mine, except that mine seems to have been the particular screen protector. Given that's not the case for you, I can only think that your touch screen is faulty.
Send it back.

It's on its way to the grave now I think
Now, after I've sold my Nokia N900 and lent my homeboy my HTC Kaiser,
I don't have a phone with me.
Time for morsing my messages!

i agree. send it back. i just tried it with mine and it was fine no matter how i held it. This is supposed to be a high end phone that isnt very cheap...
you need to get your money's worth.

Related

[Q] Mytouch 3g Slide Screen Issues ? (WARNING : EXTREMELY LARGE PHOTOS)

So recently my mytouch has been getting worse and worse. I'm not exactly sure if it's me or if it's the stupid phone because it's been degrading over time for some strange reason. First of all, the camera is **** for some reason, this is my second replacement phone from T-Mobile and it's extremely blurry for some reason(apparently it's a common problem but not common enough apparently for the tmobile representatives I've met with have seen before). Secondly, it's been becoming unresponsive at times although i kill my apps after i'm done with them(I probably only have internet, and facebook running most of the time). Third, ever since I've factory reset it, it's become very glitchy for some reason. One of the problems is that I would close the physical keyboard but after sending a text and all of a sudden the screen goes black and the only thing to fix it is to hit the power button and press it again to get it off of sleep. Another problem is after i send a text i close the keyboard and the screen repeats but the location of buttons is still where they're suppose to be on the screen.
Pics of what I'm talking about :
First problem(Camera)
http://i.cubeupload.com/s9YJX1.jpg
Decided to take a picture of me creating the thread if you can even see it lol
Third Problem(Glitchy screen)
http://i.cubeupload.com/ANHZ0t.jpg
As you can see the buttons are on as the phone is on but the screen is black and unresponsive, i realize i can still go to apps while like that somehow but to fix it i just hit the power button which shouldn't be happening though
Fourth(Repeat Screen)
http://i.cubeupload.com/ZLSu8o.jpg
As said before unless you didn't read this happens after i send a message and close the physical keyboard...
And thank you for any suggestions you guys have, help is appreciated, also for taking the time to read the thread
Jezussss!!!!
Dude.. you dont need pictures, and if you post them.. resize them first.
Make the thread want to be readable, like-able. Ask yourself, would you read this thread?? and with yellow highlights that no one can even see????????
You also need to post if you're phone is stock, what rom you are on, what version..
xologist said:
Jezussss!!!!
Dude.. you dont need pictures, and if you post them.. resize them first.
Make the thread want to be readable, like-able. Ask yourself, would you read this thread?? and with yellow highlights that no one can even see????????
You also need to post if you're phone is stock, what rom you are on, what version..
Click to expand...
Click to collapse
Sorry,thought they yellow would highlight it but it actually made it worse . I think the red is better with the whiteish background....
This is a stock version, I updated the phone to 2.2.2 but i factory reset it and now it says i have 2.2.1 even though i have 2.2.2 features like Wifi Hotspot,Wifi Calling, and images for contacts on messages...
im not sure, i havent had stock phone in a lonnnggg time..
Hopefully someone else can help you out
h3llfire741 said:
So recently my mytouch has been getting worse and worse. I'm not exactly sure if it's me or if it's the stupid phone because it's been degrading over time for some strange reason. First of all, the camera is **** for some reason, this is my second replacement phone from T-Mobile and it's extremely blurry for some reason(apparently it's a common problem but not common enough apparently for the tmobile representatives I've met with have seen before). Secondly, it's been becoming unresponsive at times although i kill my apps after i'm done with them(I probably only have internet, and facebook running most of the time). Third, ever since I've factory reset it, it's become very glitchy for some reason. One of the problems is that I would close the physical keyboard but after sending a text and all of a sudden the screen goes black and the only thing to fix it is to hit the power button and press it again to get it off of sleep. Another problem is after i send a text i close the keyboard and the screen repeats but the location of buttons is still where they're suppose to be on the screen.
Pics of what I'm talking about :
First problem(Camera)
http://i.cubeupload.com/s9YJX1.jpg
Decided to take a picture of me creating the thread if you can even see it lol
Third Problem(Glitchy screen)
http://i.cubeupload.com/ANHZ0t.jpg
As you can see the buttons are on as the phone is on but the screen is black and unresponsive, i realize i can still go to apps while like that somehow but to fix it i just hit the power button which shouldn't be happening though
Fourth(Repeat Screen)
http://i.cubeupload.com/ZLSu8o.jpg
As said before unless you didn't read this happens after i send a message and close the physical keyboard...
And thank you for any suggestions you guys have, help is appreciated, also for taking the time to read the thread
Click to expand...
Click to collapse
This is a hardware problem (the repeating screen) that seems to be happening to many people. (it happened to me before which is why i replaced my previous slide). After my 2yr contract is done, im gonna stop getting phones with keyboards because this also happened to my previous htc slider phones
agentg1001 said:
This is a hardware problem (the repeating screen) that seems to be happening to many people. (it happened to me before which is why i replaced my previous slide). After my 2yr contract is done, im gonna stop getting phones with keyboards because this also happened to my previous htc slider phones
Click to expand...
Click to collapse
So it's actually because of the sliding part of the phone ?
I'm not surprised, this phone was pretty cheaply made imo, literally a piece of crap :\
I guess I'm getting the new iphone once it comes out and my 2yr contract is done
h3llfire741 said:
So it's actually because of the sliding part of the phone ?
I'm not surprised, this phone was pretty cheaply made imo, literally a piece of crap :\
I guess I'm getting the new iphone once it comes out and my 2yr contract is done
Click to expand...
Click to collapse
yeah it's a hardware problem. the ribbon cable is messed up.
ratchetrizzo said:
yeah it's a hardware problem. the ribbon cable is messed up.
Click to expand...
Click to collapse
Oh I see, well I tried to get it replaced but HTC was a bit suspicious when they wanted my credit card before anything ......
I have the same issue with my phone
As I was looking at your photos I realized I have the same issue going on with my phone. Does anyone have suggestions on ways to fix it? Personally, I do not believe it is a hardware issue. I do believe it is more of a software issue. That update that HTC offered is definitely screwed up! Ever sine I updated my phone, all of these problems started. This problem did not occur beforehand! My phone was working fine - before this "software update."
Same Problem
I had the same exact problem with the Repeating Screen (and completely agreed about the camera lol). Yesterday I tried demonstrating to my friend the problem, and permanently blacked out my screen. Now, the phone works in the sense that it receives calls, the home keys light up, and the camera still takes pictures. However, with no screen to select any options or perform any functions, the phone has been rendered completely useless. I, too, would like to figure out what the problem is and if there is any possible fix.
Sorry I couldn't be of much help. Just know you're not the only one lol
My girlfriend had the repeating screen issue back in May/June of this year. It was more than likely a software issue, because it became incrementally worse as the phone opened and closed until it came to a point where absolutely nothing could be done when the phone was moved horizontally.
I had T-mobile replace the phone at the time. Unfortuntely an idiot I work with who was supposed to mail it back didn't, I got stuck with an extra $360 on the bill.
Worked out paying for the phone with them yesterday morning, this morning my girlfriend messages me to let me know the screen is acting up again.
Potential Fix?
joodlovesfood said:
I had the same exact problem with the Repeating Screen (and completely agreed about the camera lol). Yesterday I tried demonstrating to my friend the problem, and permanently blacked out my screen. Now, the phone works in the sense that it receives calls, the home keys light up, and the camera still takes pictures. However, with no screen to select any options or perform any functions, the phone has been rendered completely useless. I, too, would like to figure out what the problem is and if there is any possible fix.
Sorry I couldn't be of much help. Just know you're not the only one lol
Click to expand...
Click to collapse
I would recommend replacing your flex ribbon. It worked for me, and from other threads I've read, I believe it's the cause of these issues. It's a pretty easy fix ( coming from me, who's far better at breaking electronics than fixing them, lol ).
Here's the flex ribbon that I bought off of Ebay ( it's the cheapest I found and it comes with the tools too ):
http://www.ebay.com/itm/170647168235?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
And here's a good video on disassembling your Espresso:
http://www.youtube.com/watch?v=-jgFHuVWlig
P.S.: I'd recommend being more delicate than he was with the volume ribbon though, as mine seemed very frail. Also, this video is for replacing the digitizer, so you only need to follow it to get to the flex ribbon.
A month ago, I had issues very similar to the ones you posted. Sliding my keyboard out ( in any way but gently ) would occasionally split the screen or freeze the phone. Even without using my keyboard, the phone would occasionally freeze while "settling" after the boot animation, and sometimes even during the boot animation. Slowly, those "occasionally"s become more and more frequent, until my screen just went black one day. The phone still seemed to work ( lit up when turned on, made sounds, etc. ), just the screen seemed dead. Figured that I was having a combination of software issues ( the random freezes ), and hardware issues ( split & black screen ), but replacing my flex ribbon suprisingly fixed everything.
This is what worked on my MyTouch 3G Slide
i just keep sliding the phone. and turn off the screen then turn it back on. but not turning off the phone.
joodlovesfood said:
I had the same exact problem with the Repeating Screen (and completely agreed about the camera lol). Yesterday I tried demonstrating to my friend the problem, and permanently blacked out my screen. Now, the phone works in the sense that it receives calls, the home keys light up, and the camera still takes pictures. However, with no screen to select any options or perform any functions, the phone has been rendered completely useless. I, too, would like to figure out what the problem is and if there is any possible fix.
Sorry I couldn't be of much help. Just know you're not the only one lol
Click to expand...
Click to collapse
probably not, look on ebay for some digitizers, cheapest way to get them...

hardware problem?

hi, had my desire z about a year now, since ive had it, quite rarely ive had a problem of it seeming to have a mind of its own, for example, icons may be selected, or the home screen will slide accross by itself etc. ive always put this down to a trackpad problem.
the other day (after having a miui rom installed for about 2-3 weeks, which was fine untill now), it started acting up strangely, the above problem started happening, but more severe, also the touch screen and softkey buttons would stop working for periods of time (or stop completely untill reset), but screen rotation etc would still be working, which shows that the O/S has not frose and is still working behind the scenes (making me think its a hardware problem).
now, i think ive worked out that this seems to be triggered (mostly) when i open the keyboard. (as also, when the touchscreen stops working etc, sometimes, sliding the keyboard open and close several times, will sometimes seem to unfreeze the touchscreen etc, and will be back to normal, for a while). ive tried doing full wipe and reflashing etc, but i still have the same problems mainly when using the slide out keyboard, which again, makes me think its hardware (possibly keyboard ribbon cable?)
i really dont want to send it off as that means getting it all back to stock etc, and last time i needed the screen replaced, took 6 weeks to get it back!
if anyone could pinpoint the likely source of the problem, id rather replace the part myself..
would anyone have any ideas, as they would be very much appriciated... Thanks...
anyone at all?
I got 2 Zs meanwhile but dont have any problem with the keyboard.
But sometimes when its charging i got the same issues like you - no touch is working and the screens are sliding nearly automatically.
I think this has nothing to do with the keyboard...
Hope this had helped you a bit
Sent from my HTC Vision using XDA Premium App
thanks for the reply, unfortunately im still no closer to finding source of the problem, its intermittant, happened lots yesterday, not so much today, maybe the digitiser? its like there is another invisible finger touching the screen..
This would happen when i was on stock froyo, like it would cause the home screen to hang, but if i was ion an app it worked fine. I would use it to refresh of sorts when my phone was hung up or i need to reload my apps from sd lol. Sounds weird I know, but even with stock froyo i had problems with my keyboard but with the prerooted GB its as smooth as butter...
still going on, and getting more frequent, i dont think it is to do with the keyboard anymore. im now guessing it is the digitizer, its like someone is pressing an invisible finger on the screen, roughly in the center. it comes and goes, it happens for about 3 days, then goes away for a couple of days etc.
also there is very little info anywhere on the net that can help, including replaceing the digitizer itself
anyone ever replaced one on a disire z/g2?

Multitouch problem, screen is possessed

Hi guys I have a problem with the touch response on my G4 (H815)
Basically when I use multi touch (and sometimes just normal scrolling) in certain apps the phone will recognize screen taps at the bottom of the screen at the home and back buttons and sometimes other areas, I have used the 'multi touch app' from the play store to confirm that this is indeed the case. This is extremely annoying as apps exit by themselves because of this. It doesn't happen every single time either, just sometimes but often enough for it to be annoying and so may be hard to prove to my carrier or LG if i send it back cause they may say there's nothing wrong with it.
It seems like a hardware issue and in that case the phone should still be under warranty right? I got it in August and haven't rooted or done anything invasive.
There are many people having issues with the G4 touchscreen. Check with your carrier and see if you can exchange it or what your options are.
Hi,
Same problem for me, the back and home button seems possessed. Se this video dropbox.com/s/540ozmvdnhemv8f/MOV_0005.mp4?dl=0 for an example. I bought the phone Thursday last week and it have been this pretty much since unboxing. After a factory reset the phone acts normal for a couple of minutes or hours, but goes back to that stage were I can't use the phone at all. I've managed to update to the latest software but the problem didn't go away. I'll try to contact the supplier I bought the phone from and exchange it tomorrow.
Since I do not have enough posts to post external links you have to figure out for youself what to type infront of the "link" I included.

Top half inch screen not working

I have a HTC One m8 and the top half inch of the screen does not respond but occasionally it does sometimes for a little while. The top half inch generally tends to work when the battery is charged to 100% but sometimes that doesn't happen either. if it helps I use a tempered glass as a screen protector and the screen does not have any physical damage and it doesn't help when u boot into safe mode. I have also tried a hard reset.
Coincidentally i am working on a phone with the same problem (not mine). After a lot google research the owner decided to use another Launcher (Smart Launcher). This did not fix it entirely, if you are in Apps you can use the statusbar, but its not working on homescreen. I dont know why it behaves like that, but surprisingly many people get problems like that. I tend to believe that there is some software problem involved, because changing Launcher or using custom rom has been reported helpfull/fixing the problem (not allways tho..).
Now he had some other troubles with this phone and in the process i did a reset, that did not fix things as you said. I will install a custom rom next and will report back next week.
So i was wrong with saying a new lauchner solved the problem. Statusbar(sb) was accessible in home screen but not in app, said it wrong in the other comment. Now i had some time to test this and i can say that at least the phone i was working on is broken.
The top part does not recognize any touch input. The reason the sb showed some reactions is, that the launcher had a bigger trigger area (i guess), so you could pull it down. But still the top part was not responding. I tested it with stock, S-Rom and one Nougat Rom (dont remember), none of that showed an input in the top part.
Solution for now is different launcher or app that pulls down the bar. There are still some problems in daily usage, that this will not fix, so i guess its time for a new phone.
I am facing same problem. Is it any update which was pushed by HTC which makes the top 1 inch unresponsive ocassionally.. Indirectly, a marketing gimmick to push us by a new phone. So if it is really like that, who would buy a HTC phone again anticipating same problem again. Might go for Samsung (my own preference). huh !!!

screen stutter, complete loss of touch.

Been using the phone for the last 12 hours and I noticed something towards the end of my use last night.
The screen seemed to become unresponsive. And when it would work it would start to make its own input when scrolling and opening any app or link my finger would drag over while scrolling.
Changed refresh rates, changed resolutions, even seen if the blue light filter was the issue. Nothing.
Almost seems like the screen drops frames when scrolling, like it gets caught on something.
New development. Fingerprint sensor doesn't respond at all and inputting a pattern is damn near impossible. Going to try removing the screen protector to see if that could also be the issue
Did a factory reset
Issue seems to be where the finger print scanner is
It's almost like a dead or unresponsive zone.
Sounds like a factory defect, better have it replaced if resetting didn't worked.
Small video showing when scrolling over the fingerprint reader, the screen almost loses input
Defect.
Samsung has been little help lol. They want me to send it in for repair instead of an exchange. They also said to just order a whole new one and return the one I have now except the black 128 is sold out
imtjnotu said:
Samsung has been little help lol. They want me to send it in for repair instead of an exchange. They also said to just order a whole new one and return the one I have now except the black 128 is sold out
Click to expand...
Click to collapse
Sounds like Samsung support LOL...sorry you're having issues
Did you remove the factory installed screen protector? Maybe it's the cause of the issue
Return that pal, that doesn't sound good at all.
lovers74 said:
Did you remove the factory installed screen protector? Maybe it's the cause of the issue
Click to expand...
Click to collapse
one of the first things i did to trouble shoot. still having the issue. sometimes the screen completely loses all touch registration and it doesnt even know im trying to swipe or push on things. just realized it did this also after tmobiles new software update.
im still waiting here to hear back from samsung on how they are going to fix this issue
The same thing happens to me. Pulling down the notification shade seems to be the only thing that still works. It seems to goose the phone and it starts working again.
Test using the *#0*# diagnostic menu and use the Touch test.

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