When I turn the phone on the screen lights up for about a half a second and show the logo. The phone fully boots and all buttons work. When I push the power button to turn the screen on it does the same thing. I can see that its at the home screen. There is no water damage and the phone hasn't been dropped. Sometimes I can get it to boot up with the screen working right. Is this a common problem? What is the cause of this, bad screen, mainboard, software?
Thanks
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So recently i start flashing and using langthang's MIUI roms and keeping update and flashing all his new release rom. so couple day ago all of the sudden, i don' know what causes it and how it started it. my red button on far right. pressing it turn on and off the screen.so now when i press it to make the screen go back on from off mode. after i pressed the button the screen light turn on and the lock screen is there but when i touch the screen and try to move the ring(pyramid lockscreen) up to unlock, but the ring is not moving, it like there is no touch screen ability to my phone's screen.
but when i use the green button far left, the button usually to use phone. that button doesnt turn off the screen but it just turn on the screen, this button is working normally. i can move the ring up to enter the main screen.
the screen isnt cracked or any thing, but i do have a protection layer over it which been there since i got the phone and never got this problem before.
what do you guys think my problem is and how can i solve it?
thank you!
This morning, my screen wouldn't turn on. I felt the vibration when I held down the power button and managed to power off the phone by remembering where the buttons were. I turned it back on and it was working again. Later in the day, when I tried to unlock the phone, there were black and white lines all over the screen for a few seconds. Is anyone else having problems like this?
So my nexus 4's glass screen shattered today and also the digitiser broke. The lcd still works and the rest of the phone seems to be fine.
Anyway, for some reason the phone is automatically restarting after I hold the power button for 10 secs to force power off. Also the phone boots fine into lollipop and with what little part of the digitiser that works I can access the notification bar and go into settings meaning its operating ok as far as I know.
I have no clue how to diagnose what's causing this, please help!!!
Thanks in advance
laser2k said:
So my nexus 4's glass screen shattered today and also the digitiser broke. The lcd still works and the rest of the phone seems to be fine.
Anyway, for some reason the phone is automatically restarting after I hold the power button for 10 secs to force power off. Also the phone boots fine into lollipop and with what little part of the digitiser that works I can access the notification bar and go into settings meaning its operating ok as far as I know.
I have no clue how to diagnose what's causing this, please help!!!
Thanks in advance
Click to expand...
Click to collapse
Holding the power button causes a reboot, not power-off.
Hold the power button for 20 to 30 second. The Google logo will pop up once, keep holding the button and it should turn off after that.
Sent from my Nexus 5 using XDA Free mobile app
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?
Hello, recently I damaged the screen on my s8 where the screen wouldn't turn on and no input would work, so I figured it was the LCD and digitizer that needed replacing. I've replaced those parts, and the touch works now but the screen never turns on. I turn the phone on and see the blue notification light that turns on when the Samsung boot logo comes up, but can't see the boot logo itself. I can unlock the phone because I've memorized the pattern/placement and I can hear the volume change sounds when I adjust the volume.
I've tried cleaning the PCB contacts, holding the volume down + power button, holding volume up + power + bixby, and I've changed the battery and verified it works. Anybody know what could be the cause? Faulty screen? The company I bought it from is asking me to send it back to verify if the screen is faulty, by I'd rather not go through that trouble if the problem is with my motherboard or something. Although, because everything else works, it does lead me to believe the screen itself is bad?