LG G3 Black Screen Issues - G3 Q&A, Help & Troubleshooting

Hi All,
I have an LG G3 and have had no problems for the last 21 months with it, however suddenly the phone screen will not power up. it appears the phone is getting power as when connected to the computer it is recognised as a USB device intermittently.
If I remove the battery and put it back in then power on it will begin to boot but then black screen.
the screen is working as when there is no battery but a usb cable plugged in the no battery icon appears clearly.
Ordered a brand new battery which has not fixed the issue.
I have tried to hard reset but the phone simply turns off after about 10 seconds.
any ideas?

Related

Xperia ZL weird problem

Hi All,
I recently tried to fix my older sons xperia zl, The phone would not power on, it did not show any signs of life when plugged in to a computer. Tried all the different button combos and the off button at the back of unit but still nothing.
So I opened it up and checked each component visually, did not notice anything wrong.
I decides to see what would happen if I disconnected the battery and plugged it in to just usb to the computer.
Well it showed up in device manager as a SEMC flash device, and the red notification light came on. Then it started to try to turn on without me pushing the power button, the screen gets to the sony logo and then goes black and starts again.
The next thing I tried was to flash a new rom to it, under Flashtools it automatically goes in to flash mode, found my rom and hit flash and it completed the flash. Disconnected the usb , connected the battery but nothing no power and still nothing in device manager.
Another weird thing that happens is that while the battery is disconnected and i hold the vol+ a blue notification light turns on and the phones goes into fastboot mode.
I initially thought the battery was the problem so I ordered a new one and installed it but the same thing keeps happen, anytime the battery is connected the phones does not react to and buttons, even when the usb charging cable is also connected.
I am wondering if someone has a schematic or know of a capacitor, resistor or fuse that is stopping the phone from recognizing the battery.
Any help would be greatly appreciated.

Lg G3 Phone not working / not responding

Hi,
Really need some help with my LG G3 phone.
Bit of background
My phone network is O2, my kid was watching a you tube video and all he did was hit skip ad and my phone shut down. My phone at the time of shut had around 95% battery.
The phone does not switch on now, when I insert the charger no lights appear stating it charging nor does the screen come on. The phone has not been rooted or anything like that.
When I remove the battery and put the phone on charge the screen displays an image which states no battery is included but when I insert the battery back in the phone displays just goes dead again and nothing occurs
What I have done
I have bought a new battery and still no joy with that
I have held Volume Button down and Power button and no joy
When no battery is in and the above process is followed the screen flickers after around 13-15 seconds but then still shows that no battery is present
Last night the phone did show a little sign of life. I left it all day by itself and then just switched pressed the power button for 3 seconds or so and the LG boot up screen kicked in but then after 10 seconds it switched off. It has not replicated this again though.
Does anyone have any ideas of what i could try next?

My LG G3 wont turn on

LG G3 D855 (rooted, installed twrp recovery, was using Fulmics rom)
While i was normally speaking on phone it suddenly turns off. It wont turn back on, only LG logo shows and after that it just stops (black screen, wont recognize charger). I cannot access to twrp recovery because phone turns of before i could get to the recovery.
I have tried to pull out battery and back in and noting happens all the same. Also i have tried to charge phone after putting battery back in the phone, but it charges for few seconds and again same no red light, black screen and wont turn on.
I have another LG G3 and i have tried another battery but noting it is same. Battery form the phone that dont work, work in another LG G3, so it is not battery problem.
I have tried to connect phone to PC and i can hear sound of plugged device, but on the phone is all black no sign of turning on, so i can not access to my files on phone.
________________________________________________________________________________________________________________________________________________
And also tried tutorials like this :
1. Take out the battery
2. WITH THE BATTERY OUT OF THE PHONE AND NOT PLUGGED IN, press and hold the power button for about 15 seconds.
What this does is it drains all the power stored in the phone and takes the power source away so the phone can fully reboot and refresh the power cycle.
3. Replace he battery and plug in the phone.
________________________________________________________________________________________________________________________________________________
If you could help me I would appreciate it
Uh I almost forgot I have noticed that when I turn on other phone with battery and than fast put that battery in this one it stays on logo just a little bit more.

LG G3 Won't turn on

Hi everyone,
I have an issue with my LG G3: the phone won't turn on.
So far I tried the following procedure (but no luck): pull out the battery, press the power button for 30 secs, plug the power cord in (nothing appears on the screen, not even the "no battery" warning)
Is there anything you can suggest?
Many thanks!
PS: this did not work as the phone is not recognized by the PC at all.
weird ttrick
Someone put this on another forum wish I could credit properly. G3 is famous for power button failure. Put battery in then plug in the charger and as soon as you see the empty battery with loading icon unplug the charger. You have to time it correctly. This tricks phone into starting up. Hope this works for you.

Stuck in low battery boot loop

Hello, Huawei gadget friends.
My watch started to go in to a "low power boot loop" a week ago so I left it alone hoping a full drain would restore it back to working condition, but alas not.
So now this is the situation:
1) press button, nothing happens
2) connect to power shows the charging icon (white battery with power sign) and then after a few mins commences a boot loop as follows
3) from the charging icon, then gives the "Device software can't be checked for corruption..." message
4) followed by the red Huawei logo, then a single vibrate and then back to step 3 above
5) removing the watch from the charger stops the boot loop but then shows the low battery icon (white battery with one bar).
In one or two occasions, I saw it boot up to the colorful spinning 4 android wear logo, but did not complete (did not show "Android Wear" before rebooting again.
I have tried getting it to recovery mode screen or fastboot but without success -- I keep getting the second buzz without fail.
When the beta of 1.5 came out, I tried it, but since then, have wiped my mac and don't have the adb/fastboot software anymore. From reading the forums, there is now some new software called TWRP. Please advise what I can do.
Would I be right to suspect that it is some battery problem? Is it beyond help? :crying:
Thanks in advance!
MMM
Edit: I have also left it on for several hours charging (and rebooting constantly), thinking that perhaps it is just low battery -- but no success.
I'm experiencing the same problem, i turned it off yesterday at 17% and connected to the pc this morning to charge. I immediately noticed that it started looping with the white icon and it doesn't turn on, nor boots into download mode.
Have you found any way to restore it?
Mine doesn't show the red HW logo, charged for some hours and nothing.
I noticed that the pc see that there's something connected, but keeps saying "USB not recognized". I don't know what to do, i may open up and disconnect the battery
EDIT: SOLVED, it was just the cable that broke somehow. I soldered a new cable to the circular base but that didn't work, but as soon as i received this i connected to the pc and started pressing the button randomly till it showed the battery logo and started charging
I got this when I plugged it into my laptop. Plugging it into a dedicated USB charger solved my problem - I suspect the power rating on the USB socket wasn't high enough to charge effectively or that the USB socket is faulty in some other way. From what I understand, not all USB sockets are equal in that some are suitable for high-drain devices, some not so much. So trying another USB port on your computer may also help (Unfortunately at the time I was backing up to an external HDD on the other USB so that option wasn't open to me).
guyz, i have tried my method it actually worked on Xperia X Perfomance
When it goes to Bootloop for Drained battery, i just plug the cable and perform activity block method By pressing and holing power and both volume up and down and when it hits the 1st viberation i just simply release the key. (remember dont hold it too much long after 1st single viberation just release the keys ) and your phone will go to block activity mode. charging light will change it colors from red to blue.. after 2 minutes just press power button then you ll get another viberation and your phone will be seen as charged 2% and then it will be normal again...
i think it happens when battery drained and phone is unexpectedly trying to go boot in first place.
thank you

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