help : touchscreen unresponsive - Galaxy S3 Neo Q&A, Help & Troubleshooting

My touchscreen was having dead spots so i watched a tutorial on YouTube and the guy used lighter igniter so i tried this method but my whole touchscreen became unresponsive is there any hope to fix it.
PS: i wil never trust youtubers again.

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Unresponsive touch screen

Guys,
Need some help here. A couple of days ago I spilled some water on the navigation buttons on the lower part of my Hermes that was working ok just fine for the last 8 months. Cleaned it up with a towel and everything looked ok for another 3-4 hours when the touch screen graduatelly stopped responding, now is dead. I took everything apart and cleaned all the connectors however I still have the same problem, no improvement of any kind.
I've seen in the forum that some other people had this issue, what I am curios is to hear if anyone was able to fix it. Thinking of replacing the digitizer/lcd..will this fix the problem or there is some other screen driver chip that may be damaged?
Thanks

"Half-bricked" trinity after lcd broke - bootloader still working

Hello,
I'm facing the following situation:
I droped my Trinity and the LCD broke on the left side pretty bad. It booted fine after that (the LCD was still visible on the right side) but after 10-15 seconds it just froze. The hardware buttons were not working, nor the touch commands. I could only rest the phone with the stylus.
I successfully replaced the LCD by myself and now I'm stuck with the freeze. I was hoping the freeze will disappear but I have the same symptoms as before.
I tried a hard-reset but after that the phone froze during the booting process with the logo on the screen.
I entered the bootloader and connected the phone to the PC. It worked just fine and the freeze didn't occur anymore. I uploaded a new ROM but again, during the booting process I got the goddamn freeze.
I was hoping that everything beside the LCD survived the crash but I'm starting to have second thoughts.
I would appreciate any advice or hints on how to find what could cause my problem.
Thanks
If its freezing up on you then I would imagine you've caused some hardware damage.
Like you, I would have hoped that replacing the broken LCD woudl fix it, but there's nothing to say you havent partially damaged or dislodged something else, especially if it was a high-impact drop...
PS
I wouldnt try doing any more uploads to it either if I were you. If it freezes up during one of those then you could end up trashing the program area of your device too!...
Hi guys,
I had quite the same problem, without braking the lcd but anyway it fellt from a airplane onboarding bridge :-( and then it has started to randomly freeze.
I think I may have found something. I've noticed that when I press strongly the battery it's not freezing anymore!
I've opened the phone and saw that under the little metalic protection's plate there were a contact plate between a little black component and this metallic protection'splate. I've cleaned it, apply some thermal past (like cooling artic) and the I've put a little sheet of paper between the plastic frame and the metallic protection's plate. I've all remounted.. And surprise!!! not one freeze since two day!!
I hope it will last.. but if yes this s F### great
ähm.. I release any kind of responsabilities concerning this action. I'm not a professional but as soon as it has work for me I wanted to share it ;-)
Seeeervus!!
Dodjob.

my touch shows only white screen

hay from today morning my htc touch shows a white screen and a crack on the bottom corner of the screen.i am sure that it dint fell down.
then what may be the problem?
anyone knows pls tell me...
white screen?
When you turn on your phone, there is no smart mobility.
Crack?
Is that an LCD problem?
i have the same problem with the WHITE SCREEN. bought my ELF 3450 second hand over the net. i am from the Philippines by the way and HTC units are not yet very common here and also the parts/accessories. it worked fine for about 3 months with minor problems such as Auto-Restart/Auto Power On/OFf which was solved using the "plastic on the OMAP chip method" - tnx for the forum for the info by the way and charging problems which was also solved by buying me a aftermarket charger. but recently the problem of AUTO OFF occurred again until it did not work at all. so, i tried to check the Plastic over my chip but to no avail the fone was dead. so, i decided to head to one of our local cellphone repair shops and have my OMAP heated thinking that maybe there are just contact points inside who became loose. when we tried to power on it was good for a few minutes then i noticed the screen went darker and darker and then it was all WHITE. we restarted it but it's just WHITE. tried to send messages and call it but there is no response from the fone. i'm afraid i toast it bad or may be it's just the LCD who got toasted, i am clueless.
CAN SOMEBODY PLEASE HELP ME WITHMY PROBLEM. CAN I GIVE LIFE BACK TO MY ELF? WHAT'S THE CHEAPEST & BEST SOLUTION TO THIS? THANX ...
Generally white screen problem are caused by defects in flex connecting the LCD to the mainboard or the connector itself. Try to disconnect and reconnect the LCD, if doesn't work - replace the LCD.
kimberhunt said:
i have the same problem with the WHITE SCREEN. bought my ELF 3450 second hand over the net. i am from the Philippines by the way and HTC units are not yet very common here and also the parts/accessories. it worked fine for about 3 months with minor problems such as Auto-Restart/Auto Power On/OFf which was solved using the "plastic on the OMAP chip method" - tnx for the forum for the info by the way and charging problems which was also solved by buying me a aftermarket charger. but recently the problem of AUTO OFF occurred again until it did not work at all. so, i tried to check the Plastic over my chip but to no avail the fone was dead. so, i decided to head to one of our local cellphone repair shops and have my OMAP heated thinking that maybe there are just contact points inside who became loose. when we tried to power on it was good for a few minutes then i noticed the screen went darker and darker and then it was all WHITE. we restarted it but it's just WHITE. tried to send messages and call it but there is no response from the fone. i'm afraid i toast it bad or may be it's just the LCD who got toasted, i am clueless.
CAN SOMEBODY PLEASE HELP ME WITHMY PROBLEM. CAN I GIVE LIFE BACK TO MY ELF? WHAT'S THE CHEAPEST & BEST SOLUTION TO THIS? THANX ...
Click to expand...
Click to collapse
You warmed the OMAP? Interesting....
This problem sounds really complicated.
And im quite surprised of your 'warming' method.
I've had the exact same problem combined with the fact that my touch was resetting constantly. I was about a minute away from throwing it out of the window when I tried the plastic-piece-on-omap processor-technique described in one of the threads here. It solved the rebooting problem, but not the white screen issue. After a very frustrating couple of days where the screen started to blink and shake and then eventually turned to white alltogether, I lowered my brightness to the second stop from start, and since then I haven't experienced the white screen anymore. I believe it is heatrelated.
Whilst not being a full solution to the problem, at least it renders the phone usable.
Hope this helps anyone.
Heating the device very seldomly solves anything, but causes more problems that you originally started with.
iam using htc touch (p 3450) for nearly 18 months . (bought & using it in india ) my hand set fell two times in water and about 15 times fell on the floor (from shirt pocket) . still its working fine .
and iam using "opera mini " for browsing the internet . for some sites iam using "opera mobile " . when iam on opera mini , continueously for long ours , suddenly it turns white . never come to normal screen unless restarted . but it happens sometimes , may be because of memory or heating up of some H/W .
Hi hotchamo,
my htc touch elf hat a similary issue, and my father just "wringed" it gently until the white screen disappeared. You should try it carefully, since it may help and it won't harm. Just take in in both hands and turn them in the opposite direction, so that the case gets slightly twisted.
If that doesn't help you should open it and check the LCD flat cable connector...
Best regards,
scheutak
Again - flex connector problem. 'Wringing' it gently will eventually result in your LCD cracking, by all means - go for it, it will solve your white screen problem. Permanently.

Touchscreen problem

Hello
I have a problem with my touchscreen. The lower part is not working like it should.
I found a video with on youtube explaining the problem :
youtube dot com/watch?v=LxeIvr7xV9w
What is strange is that when i flash a new rom (1.5) the hero is working good at the begin , it is after i install some apps that the problem begins.
Is it software or hardware related ?
Anyone got the same problem ?
It gets worse over time, especialy when the divice gets warmer. After cooling down, the screen reaction is better.
I had my screen replaced for warranty. Device was picked up and returned within 10 days.
Very good service.

touch screen not responding after assemblying

i have opened hd2 so to fix something but i opened it between the touch screen and the digitizer...i have touched some things but till yesterday touch was working just fine but now it wont respond..anyone help???
Nothing much to say, other than that if you're lucky, you just dislocated the flat cable going to the motherboard, and you need to relocate it; just search for a disassmbly tutorial on these fora, or even on youtube, since there's at least one I know of.

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