touchscreen not responding - Upgrading, Modifying and Unlocking

Hi everyone
i have a big problem with my phone. When I touch the screen nothing happens. When the backlight is off, and I touch the screen, it turns on. So it seems like the touchscreen is working. But i cant change the tab.
And the 4 keys on the bottom are not vibrating anymore.
any ideas?
edit: when i connect it to my computer and sync it. All works perfectly.

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XDA Orbit Screen Problem

Hi Guys.
I've had my orbit for about 3 weeks now, and its been perfect. I had a spare 512mb microSD card lying about so I used that, but my 2Gb microSD card came in the post yesterday.
I put the card into the phone, and then plugged the phone into my computer via USB. The screen turned off, and no matter what I did, it wouldn't come back on.
I reset it using the small button on the side (sticking my stylex pen into it) and it restarted itself, showing the splash screen no problem, but as soon as you would expect the Today screen to show, the screen goes off. It get's weirder, because if I hold down the camera button to turn that on, the screen switches itself on, and you can use the camera no problem. If i hit the windows key, the menu appears, but if I try clicking an icon, the screen goes dead again.
Also, sometimes (not always, don't ask why) if I leave it for a couple of minutes, the screen slowly appears, as if the backlight is very very dim. But the second i tap anywhere, or touch a button, it goes off again.
I can still answer calls, and my alarms still go off. The phone seems to work perfectly, but just not the screen. I think that it might be the backlight having been turned so far down its off, but I don't know how I would go about reseting that.
Sorry for the long story, but any help would be greatly appreciated.
Cheers
have you tried to make a hard reset?
Man I had the exact sane issue. Its to do with the backlight. I had to angle the screen to try and see anything on it, then changed the backlight to full and made sure it didnt switch off after certain time, everything fine since then. dont know how it happened.
exactly like fubofo wrote,try to unplug,screen should be visible again, check backlight prop.-and plug it in.
i have the same problem this appears sometimes.I think this is a damn bug that appears randomized.It happend to me like 6 times.I have the o2 xda orbit with german o2 rom.What's about yours? it dims the light under the normal makeable settings this sucks.And the camera works because the light settings goes automaticly to the highest settings in camera mode.
Hi guys,
I remember having that problem but it was when I tried some programs, including HTC X-button and another called Invisible Shooter. I haven't got any further incident after uninstalling them.
Do you think what you've encountered with may also link to some program you've installed?
BUSPBP
Totally confirmed! Had same issue after replacing a touch screen. Thanks, guys, for a clue!

iPAQ 214 touch screen don't works

Hello!
My iPAQ 214 little soaked. I dry it, but the touchscreen don't works. I stuck at the "Tap the screen to set up.." screen, i press the screen many times, but nothing happens. The touchscreen not totally dead (i mean), because after some minutes the screen turned off, and then if i press, the screen turned on, but i can't go forward to screen calibration. Activesync works, see the device, evereything seems ok. I tried factory reset, but nothing changed.
Anyone can help me?

[Q] Screen problems

Hello,i bought (lcd+glass) whole new display, my other one was broken. I managed to put on the new display but when i turn on my phone the screen stays black, those 3 buttons at the bottom light up and are working, the phone is on, i can change the volume and stuff. What could be the problem, i have checked the cables. At the start i was checking does the display even works as i connected the one cable and the screen seemed to be working fine it turned on. But after that i have tried and tried a lot of times but now it wont turn on, the phone is working, 3 buttons ar bottom work as i touch them there is vibraton. Does anyone knows what could be the problem?
HUNGERcube said:
Hello,i bought (lcd+glass) whole new display, my other one was broken. I managed to put on the new display but when i turn on my phone the screen stays black, those 3 buttons at the bottom light up and are working, the phone is on, i can change the volume and stuff. What could be the problem, i have checked the cables. At the start i was checking does the display even works as i connected the one cable and the screen seemed to be working fine it turned on. But after that i have tried and tried a lot of times but now it wont turn on, the phone is working, 3 buttons ar bottom work as i touch them there is vibraton. Does anyone knows what could be the problem?
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Click to collapse
if everything is working and the cables are ok then the problem must be the screen...maybe you got a defective one
matt95 said:
if everything is working and the cables are ok then the problem must be the screen...maybe you got a defective one
Click to expand...
Click to collapse
hmm, as i said the screen was working fine at the first 2 times, but then nothing happens the phone is working, those 3 buttons are working aswell, but just the screen. If the screen is faulty then those 3 buttons also shouldnt be working?
HUNGERcube said:
hmm, as i said the screen was working fine at the first 2 times, but then nothing happens the phone is working, those 3 buttons are working aswell, but just the screen. If the screen is faulty then those 3 buttons also shouldnt be working?
Click to expand...
Click to collapse
the connection of the digitizer and the screen are different i think if the digitizer is damaged the 3 buttons will not work wid it too but the screen will work

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Hi, got a new screen, new power and capacitive button flex cables for my friends note 2. Turned on the device and verified new screen is working before taping the screen. Now I turn on the phone, but nothing shows on screen, however its recognizing my touches.. Checked all connections, all good. Any help appreciated. Thanks!

Screen stays black until the device is restarted

Hi guys, having some trouble with my tablet. Started out of nowhere, but the screen doesn't light up until the device has been fully restarted, in which case once you lock the screen, the problem starts all over again and I have to restart it again. It also lights up when the device is off and the power cord is plugged in, but only briefly. Once it goes away, I can't use the power button or anything else to check the status of charging, only thing that works is unplugging it and plugging back in. It's still sensitive to the touch, there's haptic feedback, capacitive buttons work, it just stays black most of the time. Has anybody else had this issue and knows how to fix it? It came out of nowhere, the device is not rooted, haven't dropped it or anything. Thanks in advance

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