[Q] Nokia Lumia 900 White screen only? - Nokia Lumia 900

Nokia Lumia 900 White screen only. I have try to flash with ATF.Try to soft-reset but only white screen.
please probide me what should i do?

Solved it as follows: Disconnect lcd/digitizer cables from main board. (Google it, not that difficult to do) Plug in charger with digitizer/lcd disconnected and let it charge for about 2 hours. Reconnect lcd/digitizer cables and phone booted up like normal.

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USB charger burned. MDA not work

By charging my MDA i realised the USB charger was overheated. I changed the fuse, connected the cable into the phone.The charging led got red,not orange as it was suppossed to be.As I disconnected the charging cable,the led got orange,which should be by charging only.I took of the battery,then put it back,but nothing has changed.The charging light was still orange and the system showed charging,even without the cable.After one hour the phone swittched off,death....
Please Help!!!!!
Jan, I'm afraid, there is no easy advice "how to fix". You'll need repair specialist, who wlii open your PDA and replace faulty chips and other components. There is no simple "fuse" to change inside (there are several fuses, chips, very small, some of them may need replacement). And it seems charging microchip is dead.

screen back light when on external power

Hello and thanks in advance
I have looked but cant fine, forum seem so slow over the last few days or is it me?
Search has stopped working completely for me!
I use phonealarm to perform profile changes on my uni
One is when I put in to car holder/charger it rotates the screen for tt6 turns of wifi turns on Bluetooth ect
But my device will not light the screen up when external power is detected unless it can see Active sync I have tried all combinations of settings with no success
So I thought I could use P/A to run a file or program to turn on the back light I just need to know what file. Any ideas appreciated
Thanks again
John
turn back light to on
hello
has no body any thoughts on this
when u say the device won't light up when you plug in your in-car charger means you screen lights up only for a few minutes and off or when immediately you plug-in the charger, the screen light off..??
and your intention is to light up the screen all the way when you're using it in your car...?
back light is off
hello
if the phone is in standby ,and back light off and i plug in the mains charger the back light comes on , if i plug in the usb sync cable the light comes on if i plug in home made charger ( http://forum.xda-developers.com/showthread.php?t=285768&page=2 post 20 ) the light comes on
but if i plug in any 12volt car charger ( and i have tryed lots from 99p one from the local phone shop to brodit moulded one they will not light the screen
all supply 5v +-.1
i just want it power up the screen when the car is started
so i did wonder if its to do with the extra pin in the mini usb cable maybe its earthed
thankx
John...
towinguk said:
hello
but if i plug in any 12volt car charger ( and i have tryed lots from 99p one from the local phone shop to brodit moulded one they will not light the screen
all supply 5v +-.1
John...
Click to expand...
Click to collapse
There was a discussion about this a long time ago. NOT ALL CAR CHARGERS GIVE OUT THE NECESSARY OUTPUT capable of powering and charging the Universal at the same time. That was the conlusion drawn at the end of the thread. That is also the reason why your Universal does not have the backlight ON even though it is plugged in the car charger. You can modify the lenght of time the backlight is ON if you prefer through the registry, but I doubt that it will charge the Universal to FULL capacity. Just search at the Universal Accessories section about car chargers for research. I think that is where I read it some time ago.
since the first post i now have a o2 orbit and its the same on this phone !!!

[Q] Broken USB port?

Hello everyone. My two weeks old GNEX'USB today has stopped working. If I plug in the AC recharger nothing happens. If i plug it to my pc windows says unrecognized device. I tried swapping batteries with a collegue of mine, and my battery on his phone recharges just fine. If I plug it to the AC while turned OFF, the white battery recharging icon / animation shows up...
What can I do?
Thanks,
TD
tylerdurden83 said:
Hello everyone. My two weeks old GNEX'USB today has stopped working. If I plug in the AC recharger nothing happens. If i plug it to my pc windows says unrecognized device. I tried swapping batteries with a collegue of mine, and my battery on his phone recharges just fine. If I plug it to the AC while turned OFF, the white battery recharging icon / animation shows up...
What can I do?
Thanks,
TD
Click to expand...
Click to collapse
did you try your friend battary on yours phone !? maybe the charging port is broken on your phone
~~wrong answer.....
Have you reset your battery state?
First try different usb cables, and then try cleaning out the usbport, canned air or a toothbrush will work great. also if you ahve a magnifying lens look inside and see if any of your pins are out of alignment.

ZenWatch Wi500Q Will not stop vibrating and bootlooping when connected to charger

I got this watch from a friend and it had not been charged for a while. I connected a standard Micro USB cable and the watch powers on to the ASUS splash screen and vibrates and then restarts vibrating again and showing the splash screen. It does this about every 3 seconds. I tried several chargers. Finally I was able to get it to boot with a car charger in my car. IT allowed me to sync and pair it and showed the battery at 100% As soon as I took it out of the charging cable it died and since then I have not been able to get it to power back on. I tried:
Cleaning the connectors with eraser
Re seating battery connection by opening the back of the phone
Several charging cables
several charging blocks
Any help whatsoever would be much appreciated.
Did you know what was wrong? I have the same issue.

fast charging broken after a week

Hello there,
I got my Pixel 3a XL for a week now and since yesterday I'm not able to charge it with the original fast charger that came with it. With a different USB A To C cable it works, though very slow.
When I plug in the original charger one of the following happens:
- Nothing. I have to flip the cable like in the old USB days (wtf)
- It charges in a one second Interval. Meaning I hear the sound/vibration when it starts charging, but then it immediately stops charging, starts chargings, stops charging... and so on.
I already factory reset my phone, which didn't help. I tried a different charger from a galaxy phone. Same happens there. Only with a USB A to C cable which is plugged in a PC I am able to charge...
What could that be?
mason02 said:
Hello there,
I got my Pixel 3a XL for a week now and since yesterday I'm not able to charge it with the original fast charger that came with it. With a different USB A To C cable it works, though very slow.
When I plug in the original charger one of the following happens:
- Nothing. I have to flip the cable like in the old USB days (wtf)
- It charges in a one second Interval. Meaning I hear the sound/vibration when it starts charging, but then it immediately stops charging, starts chargings, stops charging... and so on.
I already factory reset my phone, which didn't help. I tried a different charger from a galaxy phone. Same happens there. Only with a USB A to C cable which is plugged in a PC I am able to charge...
What could that be?
Click to expand...
Click to collapse
First of all, is this a new, used, or factory refurbished phone? If it's new or refurbished with a warranty, get it replaced under warranty. If it was used and/or has no warranty, look at the port on the phone to see if it's dirty. Carefully clean it out with whatever will fit in the port without damaging it. Pay special attention to the bottom as debris tends to get compressed and eventually gets thick enough to keep the cable from going in far enough to make a good, secure contact.
marvelljones said:
First of all, is this a new, used, or factory refurbished phone? If it's new or refurbished with a warranty, get it replaced under warranty. If it was used and/or has no warranty, look at the port on the phone to see if it's dirty. Carefully clean it out with whatever will fit in the port without damaging it. Pay special attention to the bottom as debris tends to get compressed and eventually gets thick enough to keep the cable from going in far enough to make a good, secure contact.
Click to expand...
Click to collapse
It's brand new. I did just clean it (but nothing came out or was visible) and now charging works again...
That's weird. It was clean as a whistle and I just thought "just clean it even though it looks clean"... weird!
But thanks anyway
Do you know anyone who has a QC 3.0 adapter and cable USB 3 end? Try it on a different charger... If it fails on multiple chargers/cables, then you device is likely defective and you will need to get it repaired/replaced.
Sorry, no quick fix here...

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