Black screen problem.. help - Nexus 5 Q&A, Help & Troubleshooting

i have nexus 5
this display is broken, so i bought new display from aliexpress
and i changed to this display.
but i can see just black screen!
but functions are all working!
touch working... usb/mtp working (i think adb working too).. vibrator working... touch working.. (i pushed power button and touch anywhere.. phone turned off)
camera led working.. notification led working
Here is a video
https://youtu.be/lV8D4oyvbPM
just display is not working...
service center say i need to change mainboard
but i think this is not problem of mainboard..
help my nexus 5

Could you see images on the old screen?

Hey! The display probably isn't the problem. It may actually be the battery not being able to supply power to the screen by being burned out. Try replacing the battery then take it to your local carriers store

Don't think it is the battery if the phone functions other than the display.
I have changed the screen on roughly 10 nexus 5 phones and, even with a so-so battery would boot the phone no display an image.

did you find a fix for your problem? I'm having the same issue. Everything works, I can hear sounds, notifications, receive calls but cannot see anything

Related

Problem with my Display or the phone software?

Hello,
I have a very strange problem with my HTC Touch Pro phone.
I'll explain my problem:
When you turn on your phone and you are on the "Home page" (the page where the time is displayed) there is a bar at the bottom of the display.
This bar says Phone and Programs.
When i access my volume control by using the 2 buttons on the left side of the phone a black screen appears with some bars on it to indicate the volume. Note that the black bar with the Phone and Programs buttons is gone!
But the problem is that i can slightly see the Phone and Programs text trough the black screen of the volume control...
The first time i turned on my phone it was clearly visible, but after hard-resetting my phone 3 times it seems to be all gone now.
What could have caused this problem? Are these texts burned into my screen or is my screen sensetive to white letters?
I really dont know what to think about it because it seems very strange to me that it is now gone after 3 hard-resets...
Does anyone know what may have caused this problem?
edit
When i still had the problem i checked out if the text that was visible on the volume screen was the actual text that should stand in the black bar on the bottom, but when i accessed the volume control from the Programs tab (notice that the menu bar then displays "All programs" and "Remove"), but the volume controll still displayed Phone and Programs, so it isn't the actual text that is visible, so it cant be something like a shine-trough or something like that.
Really dont know what to think, at this time 3x hard-resetting the phone helped and the texts aren't visible anymore, but i'm still worried that my screen is over-sensitive or maybe broken or something =\
edit
The text is getting visible again after having my phone on "stand by" for 10 minutes.
Does anyone has a solution or does anyone knows what the problem can be? i would like a awnser today because i could go the the store tomorrow, i may be able to switch it for a new one if the screen is really broken.
Hope someone knows more!
edit
Maybe some of you dont see it on your one Touch pro, but you will if you REALLY look close at the bottom left and right corner in your volume control screen.
Could it have something to do with lazy pixels or something?
edit
It seems to get worse when i have the phone and programs texts on my screen for 10 minutes, and then switch to volume management. Are my pixels lazy or something?
The longer the screen stays on with the Phone and Programs texts on and the icons of the menu etc, the more you see when you turn on volume control.
it just looks like it burns into my screen.
Take care! Maybe it burned into your eyes!
No, serious it cannot burn into your screen.
Only CRT screens can burn it, not TFT.
Hmm ok thats true haha,
But what else can cause such a problem... it is only visible if the phone is off stand by for a few minutes.
I had my phone on stand by the rest of this evening and just turned it on and now it is all gone again. But if i put my phone on the home screen for a few minutes, so with the texts, then its visible again on the volume controll screen
Had the phone on standby the whole night and now the texts are gone again.
They seem to get "burned" in somehow if the phone is off standby for a few minutes, but then when its on standby for a while they are gone again.
Just wanna know if more people have the same problem, or else i could send back my phone to HTC for a repair
johanromijn said:
Take care! Maybe it burned into your eyes!
No, serious it cannot burn into your screen.
Only CRT screens can burn it, not TFT.
Click to expand...
Click to collapse
http://compreviews.about.com/od/monitors/a/LCDBurnIn.htm
Well that seems to be the problem over here...
But when i turned on the phone for the first time there was much more "image burning" on the screen, and at this moment it is all gone ...
Could it be that the screen had to "warm up" or something because the phone is just 2 days old. The longer i used the phone the less the image burning is now.
Do these screens have to warm up or something when you turn on the phone the first time?
They shouldn't... Especially if you bought it locally, I'd take the safe road and return it. I'm not sure if it's exactly what that source describes, but I don't like taking chances with phones as expensive as this.
Hmm ok, thats wierd because the more i used it the less burned in texts are visible.
at this point there is nothing visible on my screen anymore ..
isnt there ANYONE else here that has the same problem or that wants to try it out and leave the phone off standby for some time ?
Someone that has the same problem, or someone who wants to check their phone for the same problem?
I dont know if i should return my phone for a repair..
Problem is getting visibl again,
Have used my phone some time today, but i didnt have it off standby for longer than 1 minute, and still there is a white bar slightly visible on the volume controll screen.
This is definately a problem with the screen right? something like Lazy pixels or something..
Anyone that can help?
btw, its seems that only the white colors get burned in
edit
It only seems to get "Burned" in when i'm in a window with white bars or spaces, and it fades when i have the phone on a black screen for a while..
And it only happens with the HTC Volume app?
no, but its good visible on that screen, its also slightly visible on the home screen etc..
It doesn't only burn in when the phone is off standby, but it also seems to get worse when the phone is ON standby... what i mean is that it doesn't fade away right away when the phone is on standby...
Just went back to the store to get a new phone.
I checked right away if the new phone also has the same problem, and it does...
texts also seem to get burned in for a while on this new phone, but also dissapear when the phone is unused for a while...
Could you guys check your phone's if you have the same problem?
Just use it for a while and check the volume control window if there are images still slightly visible on the screen.
Hope someone can do that for me!
edit.
Could i be SO unlucky that i have had 2 phone's of 1 wrong production serie?
Can anyone please check out their phone for the same problem?
I would like to know if there are more people experiencing this problem so that i dont have to return my phone for the 4th time =)
also i have spotted this problem. but it happened just a few times when the phone was hot (using gps).
Mmm ok, and you had the problem the exact same as me ? visible on the volume control screen etc?
More people having this problem?
Would appriciate it if some more of you could check it out for me
It never happened on my Fuze, I think it might be a bad batch that your store got in. That could be why when you returned it you're seeing the same things, a lot of people with yellow spots in their screen returned theirs and got the same thing in the next one.

blank screen but phone is working

hello,
anyone can help me with this, my phone working perfectly but the screen is blank, i already try to call the phone and it is ringing, except the screen.
msat1891 said:
hello,
anyone can help me with this, my phone working perfectly but the screen is blank, i already try to call the phone and it is ringing, except the screen.
Click to expand...
Click to collapse
I presume you have tried obvious things like rebooting or trying to get into recovery mode?
Otherwise it may be a blown LCD panel, a blown backlight, a faulty or loose cable or a mainboard fault.
If you look really closely at the screen in varying light conditions you might be able to see the display if it's only the backlight, but that would still need the panel replacing.
There is a teardown video on YouTube if you need to take the phone apart.

Screen is black

At work yesterday my phone was fine..I pulled it out of my pocket during a break and the screen wouldn't turn on..then I noticed the backlight was on and I can feel the screen vibrate when I hit where the home button should be but no picture. I am able to hear notifications and use my moto360 to make phone calls etc but no picture just a black screen and backlight is on.. Using my nexus 5 currently but wondering if anyone else has experienced this..T-Mobile said they would replace it under warranty.
Derekwolfee said:
At work yesterday my phone was fine..I pulled it out of my pocket during a break and the screen wouldn't turn on..then I noticed the backlight was on and I can feel the screen vibrate when I hit where the home button should be but no picture. I am able to hear notifications and use my moto360 to make phone calls etc but no picture just a black screen and backlight is on.. Using my nexus 5 currently but wondering if anyone else has experienced this..T-Mobile said they would replace it under warranty.
Click to expand...
Click to collapse
Hello.
I have the exact same issue, I got a phone with a broken screen, it only had black backlight, then I changed the screen with a new one and still the same thing happens. Tried with two screens.
After replacing the screen I repaired the software via Sony PC companion, but it didn't work.
Does anyone know what the issue is here? Is it a dead motherboard or something else? Just so that I know to stop trying to fix it.
My unit isn't under warranty anymore because it had physical damage so replacing it via Sony is a no go.
The phone boots fine, I get audio reading of menu options for the initial setup, even the touch works, I can select options but I have no image, only the backlight.

SM-N915T green screen and then bootloop

So my T-Mobile Galaxy Note Edge (SM-N915T) running rooted Android 5.1.1 just encountered the infamous green screen seen. The first time, the green screen disappeared after entering sleep mode and waking up, then about 5 minutes later, the green screen stayed, even after a full reboot (even the Samsung bootup animation, download mode, and TWRP were tinted, so I think we can rule out software issue). The phone was still navigable and usable, just with a serious heavy green tint, curiously, the phone would change between the heavy green tint and a grey tint, and the tint would stay on the upper 30% of the phone and turn grey as it entered sleep mode, almost as if the phone was trying to correct the display or something was barely making contact inside the phone.
Then the green tint got more intense, I could make out the basic background, the fingerprint scanner let me past the lockscreen, and the S-Pen sounds would still play when the S-Pen was removed, inserted, and when the screen was touched. Additionally, my PC does not pick up the Note Edge, yes I have the Windows drivers installed, USB debugging enabled, and MTP + ADB enabled via the secret menu in the dialer. Also OTG is down, my mouse and keyboard are receiving power, but no longer recognized.
Now, after another reboot, the phone is stuck in a bootloop, with the Samsung and T-Mobile sounds playing over and over again, there is a green tint when the Samsung logo should be playing, but a dark screen (as in, AMOLED off) when the T-Mobile animation should be playing.
The phone can't even properly boot into download or recovery mode anymore.
The phone wasn't exposed to heat or pressure, it was just charging off an ASUS power brick and a LG microUSB cable (and was relatively cool, not hot).
The phone was bought second hand, KNOX is tripped, and well past the warranty period.
So my questions for everyone here:
-Any idea what the problem is? GPU failure? Bad solder? Short circuit? Screen failure?
-Any hope? I heard someone else was able to get rid of the green screen after freezing the phone, but at the same time, I don't want to risk condensation inside the phone if I don't have to, and if it was melted solder from some sort of charging issue, heating the phone would probably be a better solution.
While I do have backup phones and and a backup of all my files in case something like this happened, I'm going to miss the curved edge and the S-Pen, and I don't want to take the phone to a 3rd party repair shop, considering you can buy an used functional Note Edge for less than the price of a replacement display, besides, the new Note 7 looks nice.
Anything that hasn't been mentioned above would be helpful... Thanks
UPDATE:
Now the screen doesn't turn on anymore, it flashes green when turned on, but remains dead. The T-Mobile sound still plays, and the motor rumbles for a second, but the fingerprint scanner and S-Pen rumbles and sounds are no longer responsive notification light pulses between white and blue.
Attempting to boot into download or recovery mode yields 2 seconds of green screen, then the T-Mobile boot up sound.
UPDATE 2:
Phone boots properly now judging by the fingerprint scanner responding and S-Pen sound, touch screen also seems to be functional based on S-pen cancel sound, but screen is now completely black, is it safe to assume a screen failure/damage?

Black screen

Yesterday me Google Pixel 4a's screen went black, the screen was partly broken but it was working fine, now it just went black.
The power is on as I'm able to receive notifications and calls but the screen stays black. I tried to reboot it but doesn't work.
I suppose it is a hardware problem since the screen was broken but it is possible that I can use an external device as a screen just to get my data (or is there any software that can download the data from phone?)
Also it is possible to set up a new phone with the old one in this condition since fixing the screen is too expensive (~140€) and I'd rather buy a Pixel 6a

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