Problem with phone's touchscreen. - myTouch 4G Q&A, Help & Troubleshooting

hey, I cracked my screen (digitizer) today and everything still works. However, when i try to unlock or touch ANYTHING on the screen, nothing registers. I was wondering if the reason my touchscreen doesnt work is because of my broken digitizer? I thought the touchscreen still works although you have a broken screen, does it not?

Sometimes it does. Apparently not in your case. The digitizer is the part of your screen that handles touch input, so it makes sense. Get another one on ebay and switch em out.
Sent from my HTC Glacier using XDA App

Related

Is this Normal Screen Behaviour?

Hi,
Recently ive repaired a HTC Universal, put it back together as best as i could.
Now when i do touch the screen with a stylus, the screen has funny colours behind it. It kind of like when you touch/ prod your Computer LCD. It only happens when theres pressure on the screen so its not really a huge problem. The touch screen is definately there cause when i tap the screen it responds (e.g i tap start and the menu pops down).
If its normal then i can take it, but if its not im complaining to the ebay seller.
This doesent happen when i put any form of pressure on my HTC magician LCD, so im curious.
Let me know what happens with your universal
Cheers,
Whitemoo.
This is not normal behaviour of any touchscreen device!!
hmmm... well i just looked at the broken lcd screen, and even though the LCD itself is shattered, the touch screen is in perfect nick.
I put pressure on the touch screen and couldnt see any of the symptoms i saw on my current LCD
You guys recon i should swap the touch screen over? either way im complaining to the sellers, DODGY.
whitemoo.
from my knowledge, im pretty sure its normal. it happens sometimes on my 9000 so yeahh....

[Q] Digitizer Problem - Aria

Hi,
I just want to thank everyone on this site for the plethora of information that is available.
Here is a rather strange issue, that I did not see covered previously...
I purchased a used aria with a cracked digitizer off ebay for pretty cheap. I replaced the digitizer myself and all was good. I used the phone for about a week and dropped it. After that, the digitizer has been acting a bit flaky.
For instance, when it decides that it wants to annoy me, every input seems to register only on the middle of the screen. For instance, if I touch the top of the screen, the screen registers touches as though I was touching the screen in middle of the height. If I touch the bottom, it still registers the touch in the center of the screen.
I found that If I knock the phone against a table, along the edge, the problem goes away for a while. Then it crops up, again, randomly.
Anyone have this issue?
Thanks,
JC

[Q] Digitizer Replacement

I cracked the Digitizer on my Aria and spent the past few hours replacing it. Upon boot, the LCD works fine as well as all hardware buttons, however now the touch does not work, I can press VERY hard on the screen and it kind of works, but for normal touches it does not. I was wondering what you guys thought, could it be a connection issue with the flex cable or a hardware issue with the Digitizer. I don't know if it matters, but there is also a slight gap between the Digitizer and the Body of phone now. Thanks.
David.
david2777 said:
I cracked the Digitizer on my Aria and spent the past few hours replacing it. Upon boot, the LCD works fine as well as all hardware buttons, however now the touch does not work, I can press VERY hard on the screen and it kind of works, but for normal touches it does not. I was wondering what you guys thought, could it be a connection issue with the flex cable or a hardware issue with the Digitizer. I don't know if it matters, but there is also a slight gap between the Digitizer and the Body of phone now. Thanks.
David.
Click to expand...
Click to collapse
http://www.youtube.com/watch?v=SwomVNUtCm0
I watched that video and another to change it. The problem is now that I changed it, it's now unresponsive. It worked before with cracks. I think it may be defective and I plan on emailing the company I got it from tonight.
Nevermind
Figured it out. For some reason HTC made the phone lock the screen anytime the Proximity Sensor is covered. Kinda weird, considering my SGS only locks when on the phone app, but yeah, if anyone else has this problem, make sure the Proximity Sensor is lined up correctly with the holes for it in the glass.

[Q] htc hd2 screen

well my htc hd2 is using android and using it a year by now and notice that the upper left of the screen is not working?is it the lcd or digitizer or just need to align it?i dropped this many times(up to 5 times i think)but no damage on the housing and it looks new,and it is annoying in some games cause it wont work and i notice a very little red dot on that part.....pls help
If you lost sensitivity and the screen does not respond to touch, then it's a digitizer, if picture is distorted or, as you describe, a red dot appeared where it shouldn't be - LCD, sounds like both in your case. I am not quite sure how it doesn't work in games or whether the problem is present in normal screens. Alignment is a procedure to tune and correct mistakes in touch recognition or to make touch more precise on resistive screens.
I suggest replacement of your LCD + DIGITIZER. Dropping it many times may have caused it too, even if housing looks perfect.

digitizer not responding to touch but works with s pen

hey guys... I just replaced my digitizer /display with a unit that came already fitted in a new frame... all I had to do was changeover the motherboard and other components (camera, vibrator, 3.5mm jack, etc)...
everything works fine except for the touchscreen not responding to my finger... it detects the spen fine in every area of the screen and even detects my finger touch on the soft keys.
any help guys? I've tried reinstalling my rom as well (audax L v32) im wondering if I'd have to somehow update the touchscreen fw in anyway?! or run some other tool to calibrate the touchscreen or could the touchscreen itself be flawed?
Sent from my SM-N9005 using XDA Free mobile app

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