Develop Bugs

Replaced desire AMOLED screen - Still blank

After dropping my desire the screen had an obvious crack (no crack in the glass/digitiser) and displayed crazy colours from the crack, spreading across the screen over the course of the day until finally going completely blank.
Bought a new screen on ebay, same part number, same samsung AMOLED. Replaced today and the phone exhibits exactly the same behaviour. Switches on, digitiser works to the extent I can unlock and lock the phone, but screen is constant black. After a few switch on/offs the screen showed two green lines at the top and about half way down upon unlocking, that went away after another lock and unlock.
Pretty confident that the disassemble/assemble went ok and I didnt stress any flex connectors or similar... so have no idea what could still be wrong....
As I say, phone boots and can unlock/lock (makes the right noises etc) and is recognised by computer when plugged in.
Could using the phone until the screen completely stopped working have broken the controller or something?
Any input greatly appreciated.....
EDIT:
Just switched it on again, green line at top from keyboard lighting point, then the whole screen went blue on unlock. :S
This sound like a dying something, or maybe just bad contacts? Find it strange that unlocking has an effect....

Might be a bad connection or little shortcut?
Here is an official video on how to assemble and disassemble the device, http://forum.xda-developers.com/showthread.php?t=768535. Don't know if that helps but you can check if you did something wrong in the progress.

"..Bought a new screen on ebay.." Do not buy Chinese, buy the original.

ronijs19 said:
"..Bought a new screen on ebay.." Do not buy Chinese, buy the original.
Click to expand...
Click to collapse
Seeing as the part was shipped from my country and had the exact same markings and serial numbers as the part I removed, I dont think this is the issue.
Thanks for the video, will disassemble and clean all contacts later today.
Was mainly posting to see if people had heard of/experienced the same issue, trying to ascertain whether it could be a faulty replacement or if its possible to break the hardware that runs the screen.

A good fake can be hard to tell apart from an OEM part...

So the consensus is that its a fake replacement? Really? The screen seems identical in all markings and connectors, my only conclusion can be it came from the same factory. What market would there be in producing defective replicas of mobile phone components?
Anyway I have sent the screen back to the seller for a replacement.
Any response to my other questions? Is it possible to damage the hardware that drives the screen by using the phone with a dying screen to the point of blank display?
Reading through another thread: http://forum.xda-developers.com/showthread.php?t=933866
Post #6 suggests the rom on the phone could have an effect, is this the case?
Thanks for any input.

Rom couldn't be the issue if you've installed the exact same screen.
My guess would be a loose connector.
Sent from my HTC Desire using XDA Premium App

My desire lives!
Replacement screen worked just fine....
Thanks for everyones responses!

Can you post the link to the seller on ebay, from whom you bought the display?

[Q] Attempted touch screen replacement, potentially bricked or salvageable?

UPDATE: Screen is back on, but no touch sensitivity. Probably hit a brick wall on this one.
Hello all... so I think I may have bitten off more than I could chew Someone stopped on my phone and cracked the screen. After doing some research online, I found the Universal Repairs site, and bought a replacement screen and the necessary tools. The instructions didn't look too bad. Got the package, opened it up and proceeded to do every step in the guide as cautiously and carefully as possible. Thought I was doing pretty well too, until I had the whole phone put back together and tired to fire it up...
I popped in the battery, held down power, and felt the small rumble. That was good, but all the phone proceeded to give me was a blank screen, and after about 30 seconds, the LED turns purple briefly and shuts off. Plugging the phone in doesn't yield any LED color at all. I am able to get a blue light when entering fastboot mode, so that's something... I am unlocked, and was running a fairly recent version of FXP/CM 9.1. Right now I am downloading the latest CM 9.1, and will attempt to flash the kernel to see if that breathes any life back into the phone, but I'm a little pessimistic at this point.
I searched the forums for any approximation of this particular issue, but came up empty handed. Does anyone know if there's any hope for recovery in this situation? What does the purple LED indicate in this case? If flashing the kernel doesn't help, what other options do I have? Is it possible to try and find a service center and have the phone repaired/replaced at this point? Thanks very much in advance for any helpful responses.

It looks like I'm going from bad to worse. I tried using the Sony PC Companion program. It seemed to recognize the phone at first, but now it won't go into fastboot mode or flash mode at all. No more purple LED, all I get now is blinking red. I've never been very good at quitting when I'm behind.
EDIT: Nevermind, that all appeared to be just a symptom of a low battery. After charging it up for a little while, I'm back to the purple LED, and being able to go to flash mode or fastboot mode. However, flashing a FXP ftf did not do me any good, so I'm back to square one. If flashing the kernel didn't do any good, I doubt using fastboot to flash the ROM again would make any difference. Please help if you can, thanks.

I ordered a screen from them. Install was really easy but there was no touch sensitivity. I've been arguing with the company for over a week about it. And there 800 number didn't work.
You may want to take it apart again and check your connections, mainly the ribbon cables.
Sent from my SPH-D700 using Tapatalk 2

Hi slayer. I thought there was no way that would do any good, with the amount of dismantling and reassembling I did throughout the night, but I gave it one more shot, and lo and behold, the screen fired up. Reflashed to the latest FXP and I'm up and running...
...but I'm in the same boat as you. No touch sensitivity. And looking around, it seems like that's a common problem with repairs universe screens. I made double sure that the ribbon going from the phone to the digitizer was in there as snug as possible. Seems like a defective chip on the daughter board, although I have no way of knowing, that's just my guess. Sucks cuz now I have my phone back, but I can't make or answer any calls...
Anyone got any bright ideas for this?

Well I finally got them to send me another replacement, same thing. I think I'm just going to have to order one from someone else. I was thinking I might have messed up the ribbon cable but after reading that I'm having my doubts. I have a funny feeling they are sending pieces of glass calling them digitizers.
Sent from my SPH-D700 using Tapatalk 2

Ordered another digitizer from a different vendor. I'll let you know how it goes.
Sent from my SPH-D700 using Tapatalk 2

Green hue on all blacks appeared?

The screen on my note 3 suddenly showed a green hue color. I took some screen shots to show but after I pressed the power button(standby) to turn screen off then back on again the green hue disappeared?
So thinking the pictures would still prove the issue, no I was wrong the screen captures I took with the green hue are also fine . Not sure whats going on...Perhaps it is hardware related hence why it does not show in the captures. Basically all the blacks had a green hue to them / in fact were green .
Today is the 14th day for me to return or exchange the device at t mobile. Please advise. I did install some dark wallpaper apps but deleted them yesterday, was using normal stock wallpapers. I am not rooted.
Do you think it is hardware related? I believe if it was software related then the screen captures ( which I took when screen went green) would also show the green hue.

Had the same problem here but mine had a pink hue.Try to reset the colors. Just type *#0*# on your phone dialer and use the 3 colors for 5 minutes each, it will reset the pixels.
Sent from my SM-N900T using Tapatalk

It went away when I pressed it on standby and back again.
What gets me concerned is that when I took a screen shot when it was green it didn't show on the picture after it remedied itself.
Sent from my SM-N900T using Tapatalk

So have the problem gotten worse since then?
I have seen it now and then. Often happened when I was on the phone and closed and opened the lid.
Happened now that I opened the lid after attaching it to the charger.
Should I expect it to get worse, and therefore return it for a new one or will it be a rare bug now and then?

Reading mode enabled?

wolf5 said:
So have the problem gotten worse since then?
I have seen it now and then. Often happened when I was on the phone and closed and opened the lid.
Happened now that I opened the lid after attaching it to the charger.
Should I expect it to get worse, and therefore return it for a new one or will it be a rare bug now and then?
Click to expand...
Click to collapse
Hi,
I bought mine in October 4th 2013, has occurred twice so far. Taking screen shots does not show it. I am thinking it is a software glitch.
Reading mode was not enabled. All dark areas of screen goes green.

Limeybastard said:
Hi,
I bought mine in October 4th 2013, has occurred twice so far. Taking screen shots does not show it. I am thinking it is a software glitch.
Click to expand...
Click to collapse
If you are doing a screen shot, it is reading the state from the device and saving it. So later if you look at that screen shot and it looks okay it most likely is not software. If you look at the screen shot while the unit is displaying the green look and it looks right, then you most likely have a software issue.
Sounds like a hardware issue or perhaps some weird mode being set by software. I still think it is hardware though.

krelvinaz said:
If you are doing a screen shot, it is reading the state from the device and saving it. So later if you look at that screen shot and it looks okay it most likely is not software. If you look at the screen shot while the unit is displaying the green look and it looks right, then you most likely have a software issue.
Sounds like a hardware issue or perhaps some weird mode being set by software. I still think it is hardware though.
Click to expand...
Click to collapse
I perhaps hoped that you had answered my question when I first posted as this occurrence first happened on the 14th day of my purchase, so I had a choice to return to T Mobile store for swap out. Either way, only occurred twice so far, so I am not worrying too much about it. Shelf life for phone for me is approx 12 months max, so all is good thus far. Pressing the standby button afaik cleared it up at the times it occured.

I too have had this happen twice now and months in between. Happened after mj5 update could that be a cause
Sent from my SAMSUNG-SM-N900A using Tapatalk

Expydude said:
I too have had this happen twice now and months in between. Happened after mj5 update could that be a cause
Sent from my SAMSUNG-SM-N900A using Tapatalk
Click to expand...
Click to collapse
Doubt it, as mine is stock N900T that has no updates as of yet.

The first time I rebooted and it went away. The second time it was only like that for a few seconds and cleared up on its own. I'm on the at&t version
Sent from my SAMSUNG-SM-N900A using Tapatalk

Mines does this once every few days apart, if I just turn off the screen and turn it back on it goes away. I also took screen shoots but they show fine in the gallery. I only seen it once on my wife's note.

I have exactly the same problem, the green hue appear, and turning off the screen or dial *#0*# and select one of the color to test the screen can clear that away. it happens once per one or two weeks for me. I'm worried that may be a hardware issues and that is a symptom before the device fail. Does any of you have this happened then your phone became not working ?
btw, It's seems happens after I changed to a magnetic flip case ,not sure if that's related, will try not using that case and see if that will gone away. Are you guys having this problem also using a case with magnetic flip ?

No Boot/Odd Behavior after Screen Replacement

Hey all, so I just replaced the screen (followed the great guide on this site) and now I'm getting some odd behavior when trying to boot.
The power button is completely unresponsive. When I plug the phone into power, the LG screen comes up for ~3 seconds, as normal. The LED is flashing thru all the colors per the usual as well. Then the screen goes black for another 3 seconds, all the while the LED flashing. Then LG pops up again just for a moment, then to the normal phone-is-off-but-charging screen, with the LED flashing red.
Really don't know what to make of this. I had it rooted with a one-click root from here. The only changes were deleting stock apps and enabling the front touch keys (but never had an issue with it booting after this, I did that at least a week ago). Also my PC recognizes that something is plugged in, so I guess that's good.
Thoughts?
Update: tried booting into recovery mode, I held the buttons for much longer than normal to no response. As soon as I let go, I get the LG screen. Then black. Then LG. Then an unusually long AT&T screen, then it booted. Now the power button works as it should, and it boots in that same odd fashion. And it seems that I can not go into recovery. Yikes.
I'd be fine with that except I have a dead zone across the lower portion of the screen, it's about a half inch tall and about covers the asdfgh... row of the keyboard. Weirdly if I start pressing on any other key and then swipe to any area in the "dead" zone it WILL register, as in, I can select the S key, normally in the dead zone, but swiping to it from a working area. Will try soaking the mobo in alcohol and swabbing the digitzer connector with a q-tip. Any other thoughts?
Update 2: I tried cleaning the contacts of the digitzer connection- both the end of the cable and the motherboard connection- with rubbing alcohol. Reassembled, and we're back to square one. Power button unresponsive, when plugged in I'll get the LG screen, then black, then the LG screen will flash and I'll get the chargining screen. But now, trying to boot into recovery mode does nothing. So then I soaked the mobo in alcohol, and cleaned ALL the contacts and ribbon cables on the frame. Reassembled, no change. I really hope someone sees this, as I'm at he end of my tech know-how. Tonight I'll try to reconnect my old touchscreen and see what happens. Maybe the new one is just defective? But you'd think the phone would still turn on...
God I hope somebody sees this. I feel like a complete nut talking to myself.

mityman50 said:
Hey all, so I just replaced the screen (followed the great guide on this site) and now I'm getting some odd behavior when trying to boot.
Click to expand...
Click to collapse
Okay sounds like a hardware issue with the power button being unresponsive. I would take the device apart look around all connections of the power button and look for any hair line cracks or dirty, sticky, grimmy connections. Try cleaning upall that stuff, while there I would look at the digitizer and clean that up. When done flash a new rom with the LG flash tool, allow boot and reboot normally several times before testing. I hope this helps I am new to the phone and have yet to get my repair kit for it so I will not know much more about it till I get into it myself. Hair line cracks can be easily fixed as long as its on the sadder areas. Just re sadder it
---------- Post added at 09:01 PM ---------- Previous post was at 08:34 PM ----------
Now for the weird flashing on and off booting mine does this as well but all functions regardless are working flawlessly. My phone will need serious structural repairs but nothing I can't do just had a horrible owner. Definitely worth the trouble this thing runs so smooth better than any other I have used and it will continue to hold for a couple years cause of the power behind it. I wouldn't worry about the booting flashing like that I'm just thinking it does this to show it has been tampered with.
Sent from my LG-E980 using XDA Free mobile app.

Hey man thanks for your reply. Reminded me to update this for anyone else who finds it.
So the new screen was definitely defective. The one time I managed to get it on there was a dead spot. I sent it back, a replacement is on its way.
Now the good news- I realized why my phone wouldn't boot. Turns out that when removing the motherboard, the top part of it got a little... bent. Nothing bad, nothing permanent, but when I mounted back onto the housing, the top part of it had a tendency to stick up a little bit. Well if you follow the small ribbon cable off the power button, it leads to two gold contacts. Sure enough on on the bottom side of the motherboard there are two nodes that would press against the contacts.
Basically, the power button wasn't even connected to the board.
So I actually put the whole thing together, screws and all, and with that, the motherboard sits snugly as it should and the button works fine.
Right now my phone is some sort of hacked up zombie, with a cracked up screen, an upper-left corner that's completely decimated/missing, and no adhesive to hold it together. Hopefully the screen makes it here soon!
Oh and I agree totally, this is the smoothest and most reliable Android I've owned, better than the Evo 3D (which I quite liked) and a GS3 (meh, it got very unreliable after a year). I'm happy the screen replacement is cheap and easy so I can keep this thing for at least another year.

Cool glad it worked out for you or hopefully will. Can you do me a solid once your screen comes in and if it replaced well all working that is could you post the site you got it on or pm me with it. I am here tons of issues with defective screens. Would like to have a reliable market to shop from.
Sent from my LG-E980 using XDA Free mobile app

Fant0m3 said:
Cool glad it worked out for you or hopefully will. Can you do me a solid once your screen comes in and if it replaced well all working that is could you post the site you got it on or pm me with it. I am here tons of issues with defective screens. Would like to have a reliable market to shop from.
Sent from my LG-E980 using XDA Free mobile app
Click to expand...
Click to collapse
I have never had a bad part for any kind of phone from Wholesale Gadget Parts in Bixby, OK (Tulsa area). I found them on Amazon and originally ordered because they were close and I was in a hurry. I kept ordering because they get it right. I have about a 50/50 success rate with phone parts off other sellers on Amazon. If you buy cheap, expect a high failure rate.
Glass and digitizer for G Pro is about $18 before shipping and any applicable tax.

Screen Issues: Right side of screen lags

After using my Pixel daily for 6 months (got the first batch, pre December 25th) and having next to no issues with it (wifi strength sucks, even with Xceed kernel, but it's better than it was), half of my screen decided it wanted to go goofy. I was using it two days ago and everything was working fine, I used it yesterday morning for a few minutes and then plugged it into the Google charger that came with it and let it sit on my couch for a few hours while it was charging. I got on the bus, and pressed the power button to wake the screen and nothing happened. Thinking I had it turned off I held the power button for a few second, and still nothing. So I held it for 30 seconds and when it brought up the bootloader warning the right side of the screen was glitching, same thing happened on the Google logo, boot animation, and continued into Android. I powered it off, hoping it would go away but it didn't. The slight glitch then turned into static "snow" which will then change sporadically based on what I'm doing on the tablet. That area of the screen still works perfectly because touch input works, and when I take a screenshot and view that area of the screen it shows up just as it should. It seems like there is an overlay on the right side of the screen that won't go away. Since it happens from the moment you turn it on makes me think it's a hardware issue but the fact that the screen itself still works perfectly makes me think it's a software issue. I haven't flashed the stock ROM back on it yet or locked it backup yet since I don't have a type c to type a adapter with me, it's still under warranty but I wanted to see if you guys could help me fix it before I sent it back.
TL; DR

This just started happening to me today, exactly as you described.

Interesting. I just RMA'd mine, should be receiving it within the next few days.

I'm returning mine too. I've determined that it's hardware because when I applied pressure around the edges of the screen I felt something slightly pop into place and then the problem was temporarily corrected. If I apply slight pressure to parts of the screen it happens again.
At this point I've flashed back to stock and I'm in an eternal recovery bootloop that I can't fix because acquiring USB drivers that work is incomprehensively difficult.

Just had mine go as well :crying:

Oh wow, that sucks. At least I'm not the only one though. I just got my new one a few days ago and all is well so far, hopefully this one won't screw up. RMA process was very smooth.
As for the USB drivers I usually have to install them manually by using the "select driver from a list"
Sent from my Pixel C using Tapatalk

Same issue on my first one
Here's my post from the mapping problems to serial # thread.
Google RMA process was fine once I was finally able to get a chat window with them.
Be sure to post to the problem mapping thread to help others!!

Add me to the list. Just went through the RMA process and am now waiting for the replacement to come. I can deal with the wifi issue and the random reboots, but having half of your screen corrupted is unacceptable. I don't even know how this is possible unless some genius at the pixel C team decided that it's cheaper to source half a screen and glue them together.

It's kinda crazy that I couldn't find this happen anywhere then all of the sudden it's happening to you guys! I'm extremely confused how it happened and what actually went wrong with it.

brando56894 said:
It's kinda crazy that I couldn't find this happen anywhere then all of the sudden it's happening to you guys! I'm extremely confused how it happened and what actually went wrong with it.
Click to expand...
Click to collapse
Most likely some latently defective silicon from Nvidia.
Sent from my Pixel C using Tapatalk

pkelly517 said:
Most likely some latently defective silicon from Nvidia.
Click to expand...
Click to collapse
I don't believe so, I think it has more to do with the screen, since it would occasionally correct itself, and even when half the screen was screwed up, screenshots would come out perfectly. It's almost like there's something stuck over the right half of the screen.

brando56894 said:
I don't believe so, I think it has more to do with the screen, since it would occasionally correct itself, and even when half the screen was screwed up, screenshots would come out perfectly. It's almost like there's something stuck over the right half of the screen.
Click to expand...
Click to collapse
Of course screenshots would come out perfectly. It's just a memory dump of the video RAM. This is a problem with getting that memory to the display. I think the display driver is part of the SoC. I could be wrong. Maybe it's a cable.
But it seems like a bit in the display driver is never getting enabled.
Sent from my Nexus 5X using Tapatalk

I'm fairly certain that it's a physical issue with the screen or the connection to the screen. When I had this issue I saw a visible change when I applied some light pressure around the edges of the screen. At one point it almost felt like something popped into place and the problem went away (then resumed.) Also, if I applied some pressure on the lagging side of the screen I would see some odd behavior as if the connection was fluctuating. I didn't squeeze hard, but it didn't take much.

I have had TWO Pixel Cs do this now. The first got the dreaded half screen of death after 5 months back in May, and the replacement that Google sent me has just started doing it today after just 3 months. The second device was from a much later batch than the first.
My experience so far makes me think that all Pixel Cs might have this hardware defect - it's just a matter of time before it happens. That's kinda gutting if it's true as for me this is the best tablet out there, and I can't see anything else coming close to replacing it.
About to contact Google for RMA again I guess. Third time lucky maybe...?

Wow really? That's no good!

Pixel C Screen Issues
Add me to the list, as of this morning. 8 months old.

SpaceGooner said:
I have had TWO Pixel Cs do this now. The first got the dreaded half screen of death after 5 months back in May, and the replacement that Google sent me has just started doing it today after just 3 months. The second device was from a much later batch than the first.
My experience so far makes me think that all Pixel Cs might have this hardware defect - it's just a matter of time before it happens. That's kinda gutting if it's true as for me this is the best tablet out there, and I can't see anything else coming close to replacing it.
About to contact Google for RMA again I guess. Third time lucky maybe...?
Click to expand...
Click to collapse
what's the serial# of your replacement?

lude219 said:
what's the serial# of your replacement?
Click to expand...
Click to collapse
My second Pixel C's s/n is 61250***** This one has developed the screen problem on the right of the screen
The earlier one I had was 5A230***** This one had the problem on the left side of the screen
I assumed the second one was from a later production batch than the first, but must admit I don't really know that.

SpaceGooner said:
My second Pixel C's s/n is 61250***** This one has developed the screen problem on the right of the screen
The earlier one I had was 5A230***** This one had the problem on the left side of the screen
I assumed the second one was from a later production batch than the first, but must admit I don't really know that.
Click to expand...
Click to collapse
According to this http://forum.xda-developers.com/pixel-c/general/mapping-problems-to-serial-t3274660 there still seem to be some issue with the #61250 batch so I'd try for a 3rd time to see if you get a 6202000 one (what i have now). It's stupidly frustrating but the Pixel C is too good to give up now.

lude219 said:
According to this http://forum.xda-developers.com/pixel-c/general/mapping-problems-to-serial-t3274660 there still seem to be some issue with the #61250 batch so I'd try for a 3rd time to see if you get a 6202000 one (what i have now). It's stupidly frustrating but the Pixel C is too good to give up now.
Click to expand...
Click to collapse
Thanks for the info. Not sure I'll be able to determine what s/n Google sends me next time, but here's hoping I get a good one and that I've just been unlucky so far. I won't be able to RMA until I get home from vacation later in the week anyway. If they send me another Pixel C that develops the half screen problem down the line, I will surely have to get a refund and maybe go for a top end Chromebook (with Google Play of course) next time.