V this is what i figured out V
okay so i realized its caused by the screen being turned off for more than a few seconds, whether it be from locking the phone, or the screen timing out. it causes the phone to power off (im not sure if it powers off or not, but the screen never comes back on once this happens) i try to unlock the phone, or hold down the power button, press the screen and all the hard buttons, nothing responds, i have to remove the battery from the back and put it back in to turn it back on...
Take out the battery for a day and leave it out then put it back in. See if that helps.
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Ok so i was wrong, it doesn't shut off, it goes past the green windows mobile screen, then past the t-mobile shadow screen, then just sits there with a black screen, the power lights are on, but just stays black forever
One other note is a hard reset isn't possible it seems because the phone cannot be turned off
If the battery is removed it shuts off of course, but when its put back in it just starts up and apparently thats not good enough to do the hard reset because it just boots up like normal to the black screen
Try pressing the hard reset keys as you place the battery in. You might need someone else to put the battery in while you press the keys. If that seems tedious or doesn't work, try starting with bootloader buttons (Camera and power button at the same time). Then connect it to your computer and run T-Mobile's update.
Hopefully, that should work.
helo, i've got a pretty annoying probem with my touch HD.
What it does is, constantly keeps giving me the poweroffwarning.exe even if i dont push the power button. Also if i try to put the phone into sleep mode by tapping the power button briefly, the screen goes black as usual, but after few secs it pops back and gives me the usual options for turning off sleep etc...
I have tried flashing another rom, tried to check the power button if its jammed or something but i dont really want to break it.
Oh and if i pop out the battery and back in, the phone starts automatically without pushing any button.
If you have any suggestion please...
Hi,
Does anyone know any this is happening please.
When I try to turn off my phone by holding the power button then selecting Power Off. The phone shuts down then after few seconds it powers back up.
Thanks
Is it plugged into a computer or power outlet? That would cause it to look like it's turning back on, or maybe actually turn back on.
I have that problem from time to time. You need to open up your backplate, pull the battery out for a few seconds then place it back in. Should be fixed temporarily at least.
So the other morning I wake up. I grab my tablet off the charger, click the lock button, and notice it was off. I figured it must have crashed overnight. I hold down the power button, and it doesn't turn on. I try again this time holding it down longer. It then turns on, but as soon as the lock screen shows up, the screen freezes and I can not do anything. I hold the power button down for an extended period of time, but it turns off and wont reboot no matter what. It wont charge (I assume), it isn't recognizable by my PC, and it won't turn on. I have no clue what happened. This happened randomly. I doubt it matters, but I'm running a CM11 based ROM (I think? Haven't changed it in a while, can't remember) and I have no clue what Kernel. I also noticed that the power button doesn't click as "nicely" (can't think of another word) as the vol. up and vol. down buttons. Could the power button be stuck? Any help or will I have to return it to my warrantor and start over? Thanks in advance.
Hey!
I have an S5 Neo at work, and earlier on Friday morning it worked great, but then the screen started to go black, first it was only random and it would go back on again. But soon i had to try remove the battery and restart it, but nothing happend. After waiting some time the screen was back on again.
So when I got home I tried my best and got the screen working, did a backup and factory reset. I was super happy and tought that it had helped, because the screen come on right away. But as soon as I put the backcover on the screen started to flicker and then turned all black again.
I managed to get it working by pressing quite hard from the rear around the camera and the simcard holder. But only temporarily.
One other thing that does seem to work is to remove the battery, hold the power button pressed for some time and then start it back up, but as soon as i press in the upper corners the screen flickers, and if i press pretty much straight on the samsung logo it goes completly black and wont turn on, until I have had the phone turned off and pressed the power button for some time.
I understand that this must be something wrong with the display assembly(loose flex or solder joint in flex) or maybe even motherboard, is there anything I could try and do at home, or is my only option to send it away and get it fixed?