Help!!! LCD has stopped working. - Palm Treo 750

I opened up my 750 to replace the keyboard membrane because I had some keys that had stopped working. I never touched anything related to the LCD, but when I put it back together the LCD will not come on and I have a flashing orange led. I also can not receive calls Please help!

Screen not Displaying anything
Hey there, i know this is a old post but i had the same problem the other day and now my lcd dosn't work. i was trying to repair the speaker and now i have no picture. i know the device still works as it makes noises when i push the volume buttons. If anyone has any idea what could be the problem please let me know as im afraid i have a dead 750v

Related

Touch Screen Stops Responding - All Else Works

Anyone else who owns a Touch Cruise have their touch screen just stop functioning altogether? I came back to use my phone which was just sitting in the car and the touch screen no longer works...Obviously this did not happen due to being dropped, though it was a little warm nothing unusual by any standard.
All the hardware keys work, everything else...just the touch screen is dead. Has anyone else had this happen and if so were there any steps to reviving the screen or was replacing it an option, if so what did you do?
Free Man said:
Anyone else who owns a Touch Cruise have their touch screen just stop functioning altogether? I came back to use my phone which was just sitting in the car and the touch screen no longer works...Obviously this did not happen due to being dropped, though it was a little warm nothing unusual by any standard.
All the hardware keys work, everything else...just the touch screen is dead. Has anyone else had this happen and if so were there any steps to reviving the screen or was replacing it an option, if so what did you do?
Click to expand...
Click to collapse
I had this problem with mine, it was just to send it to their lovely repair center through the dealership since I still got my Warranty, they exchanged the front panel, witch senses the touching. Depending on where in the world you live you should be able to by a separate one, or get it repaired by them. I hope it solves for you...
Thanks, I am well out of the 1 year warrant and in the US, which is not even where this phone was originally warranted so there is no chance of that.
I believe the cost of repair outside of warranty, and the time it would take that I would be out of my phone would not be worth it. I am hoping that I could purchase a replacement screen and repair it myself...Anyone have any direction here to do so?
Let me clarify something in regards to the malfunction. The screen itself is still visible and I can see everything as I would normally on a fully functioning lcd screen...The screen simply does not respond to any touch!
Touch Screen stop
hi i install the wwe-hero-3g and it stop it say"Tap the screento setup the windows" my phone is a at&t 8525 so what can i do.
i have the exact same problem. makes the phone useless
Hi try getting into the screen set up, ie where you tap the screen on first boot. You can use the program "mymobiler" to operate the screen through the computer.
Hope this helps!!
Same ****..
Have the same silly situation. Can´t even install the above program as it is impossible to respond "yes" to question about installing.
Have just ordered a replacement digitizer from this source:
http://www.chinaontrade.com/advanced_search_result.php?keywords=htc+digitizer&categories_id=
Don´t know if I will be able to fix it and I have also ordered a new Iphone as
I´m getting tired of all the problems with my loved Touch Cruise.

Screen backlight wont turn on

Hey,
I accidently dropped my phone in water a couple of days ago. The backlight doesnt work. Under a really bright light i can see the lock screen and it still functions. Is it possible to replace just the backlight? or what should i do? I dont believe this would be covered from motorola and I live in canada got the phone shipped from the states.
Any advice would be appreciated.
Thanks,
James
I'm guessing you might need a new screen/display. Perhaps do a search and find a repair place you can ship it and get an estimate? I know HTC offers such repairs dirctly (ship the phone, they call you with an estimate). I'd bet Moto does as well if you're not comfortable with 3rd party repair.
aznproto said:
Hey,
I accidently dropped my phone in water a couple of days ago. The backlight doesnt work. Under a really bright light i can see the lock screen and it still functions. Is it possible to replace just the backlight? or what should i do? I dont believe this would be covered from motorola and I live in canada got the phone shipped from the states.
Any advice would be appreciated.
Thanks,
James
Click to expand...
Click to collapse
I have the same problem right now except mine was not dropped in water. In a bright light I can see the lockscreen and also could see the emergency dialer tonight but the keyboard was not reacting on certain buttons either. One screen said to unlock enter your gmail account info,I tried to enter my name and the period symbol(.) was not working for me. I'm thinking maybe the LCD screen needs replaced or the ribbon cable,IDK. Any help is GREATLY appreciated.
Edit: Essentially I finally got logged into the phone and the keys were working fine,the screen was still dim so I turned the brightness all the way up and turned off automatic backlight. I replaced the LCD screen and digitizer and now the phone is not starting for me. I'm about to replace the Flex Ribbon Cable inside the phone and see if this corrects the problem. Right now i cant get the phone to start up so I'm thinking the ribbon cable is disconnected somewhere because it hooks to the motherboard and the LCD or the motherboard is fried. IDK,I'll let everybody know what happens with this project.
lcd not working
PS3AndroidHacker said:
I have the same problem right now except mine was not dropped in water. In a bright light I can see the lockscreen and also could see the emergency dialer tonight but the keyboard was not reacting on certain buttons either. One screen said to unlock enter your gmail account info,I tried to enter my name and the period symbol(.) was not working for me. I'm thinking maybe the LCD screen needs replaced or the ribbon cable,IDK. Any help is GREATLY appreciated.
Edit: Essentially I finally got logged into the phone and the keys were working fine,the screen was still dim so I turned the brightness all the way up and turned off automatic backlight. I replaced the LCD screen and digitizer and now the phone is not starting for me. I'm about to replace the Flex Ribbon Cable inside the phone and see if this corrects the problem. Right now i cant get the phone to start up so I'm thinking the ribbon cable is disconnected somewhere because it hooks to the motherboard and the LCD or the motherboard is fried. IDK,I'll let everybody know what happens with this project.
Click to expand...
Click to collapse
What happen to letting everyone know? Were you ever able to get it going? Was it the flex cable? How did you get the LCD working.
Replaced the flex ribbon cable and it still didnt help anything. Guess its just the phone. I trashed the phone a while ago anyways and am currently running a rooted Droid 4
Sent from my DROID4 using xda premium

[Q] replacement LCD not turning on.

Hi, I have a droid 2 global, it belongs to my friend. She dropped it and this screwed up her touch functions. The screen was turning on but she was not able to get any feedback when she touched anything on the screen. I told her i'd try and fix it for her, first thing i did was ordered a new digitizer thinking this was the problem, unfortunately it was not. Even with the new digitizer i couldnt slide to unlock or feel any haptic feedback. I reopened the phone and looked for another possibility to the problem, i found a little tear in the flex cable connected to the digitizer, lcd and keyboard, somehow in the process of removing everything i think i may have ripped it. I ordered a new one of those, put it all back to together and this time the screen didnt turn on, however when i touched, it responded by vibrating. So that solved the previous problem. But now i have a new problem, the screen just stays pitch black. I was reading around and some forums said i may have short circuited the lcd through ESD. so i ordered another lcd, i put a new one in thinking this would fix everything, but still the screen stays black. Im resending the lcd back and gonna get a replacement, hopefully the one i got was just faulty. Does anyone know if it could be something else thats causing the black screen?

Problem with Display-exchange

Hello,
First of all i dont know if this is the right forum for my question. If not so please notice me.
After my Z5 dropped on the floor i got an broken Display. I bought a new Display and changed it, but i think i broke the LCD-Flexcable after i pulled carefully on it to get it inside the case. The effect is after phone turn on i get only the backlight but the screen remains black. So for a test i switched my old broken display in it but the effect is the same, only backlight and black screen. After a few seconds the phone led blinks 3 times red and the phone restarts. What the heck is now? Anybody get the same case? I handled the mainboard with care, dont remember to damaged the connector in anyway. Does the Flexcable needs to be protected with a tape so it couldnt be grounded on someway?
Sorry for my bad english. Thanks for any help!
After a second and a third display swap the error is still the same. It seems somehow i damaged the motherboard. I swapped the phone against a new one.
Please help, same problem ...

[HELP] Screen doesn't light up

Hello everyone, I have a problem with the screen, a long time ago a printer tonner hit my screen, it's started to show wrong resolution (no hd) so I send it to change the part that has the problem. They change it and the screen never light up, the phone turn on, the touch screen work perfectly, the sound, all the buttoms but the screen it's black... Only I can see it with airdroid... Someno know what it's happening?. Obviously they doens't charge me the work. I'm from Argentina and the model is C2105, I send the phone to my brother in Spain and there couldn't make it work.
Never gave me an answer
Ferdesor said:
Never gave me an answer
Click to expand...
Click to collapse
Maybe no one here had any solution for this issue, because it is a hardware problem, so no one can help in software manner.
Maybe but this thread it's for all the problems I think.

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