I have an LG Optimus G, and the screen will not turn on. The green light is blinking indicating that I have missed call/texts, but when I push the side 'home' key, nothing happens. I held that key down hoping the phone would restart, but no such luck. I have tried numerous attempts, and pushed every button on the phone, but thus far, nothing has worked. This phone does not have a back battery panel. Any ideas on how I can possibly restart my phone without taking the battery out-since that's not an option? I'm trying to save a trip to the Sprint store, if at all possible.
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Last night my phone was working fine. This morning I awoke late for my day because my alarm clock didn't go off, looked at my phone to figure out why and all I saw was a blank screen. Playing with the power button I am able to get it to a mode where the orange charging light turns on and the softkeys seem to respond (they provide haptic feedback at least). The backlight stays off, but I can tilt the phone around and see a cyan line stretching the width of the screen and I can manuever it up and and down using the volume keys. There are 10 items in this menu it seems since on the 11th click of the volume button the line jumps to the top of the page.
Can anyone help me? I've tried taking out the battery for 10+sec, I've tried removing supplemental hardware (sd/sim cards), I've tried on and off charger.
EDIT: It would seem the key is to loose all hope of it working, but continue to press the power button in desperation and after about 40+ attempts at power at this point it might turn on. I'm officially terrified I am going to wake up without my phone at any given day now =[
Rooted? Stock? Recovery? Rom?
The DIM blue notification light stay on all the time, no matter if i use the phone or it is on standby/sleep.
I tried checking/unchecking all the boxes in the LED settings, no change.
The LED is dim blue, and no matter what i do it won't change.
It stays on even after I shut down the phone.
I removed the battery for about 10 mins, then I soon as i inserted it back in, the LED turned on, same as before.
Has anyone else had this problem before?
no, this does sound weird, but may i suggest a hard reset to see if it will be fixed?
apparently samsung has the hard reset as their primary fix for everything on their support site!
I did the hard reset suing the power+vol up+ home button and after reboot same problem.
I forgot to mention my S3 has its stock firmware rooted, but no other changes made to the firmware.
Hello everyone,
I'm a newbie at rooting.
I have used CM for 3 months but for a week it got a little strange.
Scenario 1) When I push the power button to get to lock screen, the soft buttons' light turn on for a moment but no change happens on screen. I push power button again, the same result. No other respone from my mobile. If I push power button for 10 sec to reset, i see a little green or purple light beam from the bottom right. After a while, it disappears. And still no response. I remove the battery as a last resort and put it back, when I push the power button, it's the same. Little colorful light beams...
Scenario 2) A short time ago, while I was playing a game on it, the screen just turned off and I pushed the power button... as you guess, the story goes on the same way.
It's now off, I couldn't get to it in any way.
What can I do to solve and how?
You guess it's urgent.
Sorry for my poor English, thanks in advance.
Can you restart the phone in download mode, or recovery mode?
I just figured out something:
The phone turned on and I disabled developer settings. After this, when the screen is locked and off and I push the power button, I see nothing on the screen (maybe a little purple or green beam at the right bottom) but the soft buttons turn on. I slide right to unlock without seeing anything, I pass the lock screen and it's now open. (when I touch the screen, the soft buttons turn on again and again as it should be) I just scroll the main pages right and left, push the volume or main button, they work. (it beeps when the sound is max) after 30 - 40 seconds... yay! The screen is on! It's totally the same all the time. It needs time to turn on?
Is it a software problem or is my screen about to break down?
Thanks again!!
it's a software problem. You can either factory reset, run the trim command if you're running android 4.3, or change to a different ROM.
It all started 2 days ago, when watching a clash of clans replay the screen turned off for the energy saving thing. I pressed the power button to bring it back, but the screen didn't turn on, i could hear the game sounds, and the touch screen was working, after the replay ended i was able to tab the buildings in my village and hear the sound they make. I pressed some random combination of buttons, i think its power+volume down and the screen turned on. It happened a second time during that day, and i was able to turn the screen on again. But the day after that trick didn't work and the tablet was stuck with a black screen.
I tried a factory reset, but the menu for it wouldn't appear, the odin menu by the other hand worked fine. The recovery menu should appear when with the tablet turned off you press volume up + home + power in that sequence, and releasing the power button at the samsung logo screen. But the menu never appeared, so i navigated it blindly and i think i managed to reset it, at the next accension i was prompted with the personal information field, name, google account, time settings etc..
The phone started again, with all default settings, and all my files where gone (so im assuming the factory reset worked) but when the screen turns off it doesn't come back by pressing the power button, it comes after trying a few combinations (and again i think it is power + volume down and wait a few seconds).
So im worried it was all in vain, also the screen brightness is bugged, and changes the colors, the become reddish with low brightness and some colors disappear.
Edit: After i let the screen turn off for the third time today, it doesn't come back on. So im back at the black screen...
Good evening folks,
I am in need of help. I've been having issues with my tab S3 (SM-T820) for the last month or so. I notice that when i let the device charging over night, after i disconnect it, the screen goes black. I know the device is on, since the button lights are active. I've performed forced reboots (holding power + volume down buttons), and screen remains black, but device is on. I've performed hard resets via the odin software and the firmware, and yet the screen remains black (again, device on, button lights on). If i connect the device to a charger, when the screen is black, the screen turns starts displaying a black "speckled" display (black screen with color dots everywhere). When i see that, i start pressing the power button, turning the screen on and off continuously, until i finally get the screen to appear. Problem is that once i turn off the screen (not the device), again the screen will go to black and not appear anymore, until i keep messing with the power button again. I'm finally at lost since i sent the device to squaretrade for warranty support, and they keep sending it back as repaired (all they did was a factory reset, which is what i have done via the Odin software). Any idea on what to try next? I have though about disassembling the device and verifying the display cable is correct, but just seems irrelevant that it could be a hardware issue since eventually the screen does come on again (after trying countless of times), plus, i don't know how to disassemble this thing. Any ideas or recommendations?
Thank you in advance