Touchscreen stops, screen colored "noisy" - Nexus 5 Q&A, Help & Troubleshooting

Hello. Somedays ago my nexus started to freezes on a static colored screen, just like this one:
~~sorry for the big image, i get this on google since i dont have other phone to take this photo~~
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Well, my screen was also cracked so i decided to change it, because i was thinking on that moment that this is only a problem in particular with the screen
I just let my Nexus lying on my secure table of things, not using it minding not mess it more (as far i know that my little poor Nexus 5 has a problem on Microphone too)
Life goes on, mailman gives me happy bringing the new screen in less than 1 week, then i installed it on the same day.
but, the problem of "HBO" screen noisy continues. And sometimes (very rare) the touchscreen stops working. I make some research and i found it that can be the flex cable of USB charge (also same flex for screen and mic as well). This flex cable is responsible for connect screen, wifi antenna, mic and usb port to the motherboard. Replacing it could fix, i hope.
Before i buying the new flex cable, i have to make this question: this problem can be a faulty motherboard? any minor chance to be a little fault on motherboard? or i can assume that is only a problem of the flex cable?
This is the flex cable im talking about: http://www.ebay.com/itm/Charging-US...444535?hash=item25bb6f9ef7:g:0-wAAOSw2x1XKKJy
Thanks in advance

Since this happened on the old and new screen, it could be a problem with the internal connections or, worse, the motherboard.

solution?
Salo-S said:
Hello. Somedays ago my nexus started to freezes on a static colored screen, just like this one:
~~sorry for the big image, i get this on google since i dont have other phone to take this photo~~
Well, my screen was also cracked so i decided to change it, because i was thinking on that moment that this is only a problem in particular with the screen
I just let my Nexus lying on my secure table of things, not using it minding not mess it more (as far i know that my little poor Nexus 5 has a problem on Microphone too)
Life goes on, mailman gives me happy bringing the new screen in less than 1 week, then i installed it on the same day.
but, the problem of "HBO" screen noisy continues. And sometimes (very rare) the touchscreen stops working. I make some research and i found it that can be the flex cable of USB charge (also same flex for screen and mic as well). This flex cable is responsible for connect screen, wifi antenna, mic and usb port to the motherboard. Replacing it could fix, i hope.
Before i buying the new flex cable, i have to make this question: this problem can be a faulty motherboard? any minor chance to be a little fault on motherboard? or i can assume that is only a problem of the flex cable?
This is the flex cable im talking about:
Thanks in advance
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Click to collapse
got it fixed? solution please?

Related

[Q] [HELP] Note 10.1 Sudden Death

Hey guys,
Not sure what has happened to my note. I remember I only charged it overnight and in the morning I tried to turn it on and it stuck in the SAMSUNG NOTE 10.1 booting screen. So I did a quick search and I pressed power button + vol up button. After trying it a few times without any luck, my note suddenly went to this state (TV noise like - see pic). I could not do anything to it. Could anyone help me with this please? I am pretty noob in android device and never done any rooting and stuffs but pretty handy with PC. Thanks guys. Any help would be really appreciated.
sorry potato quality
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You require a service centre .
could I just manually root it though? It is not in the warranty period anymore.
Anyone? urgently need help here
It has a hardware failure. Take it to the service centre.
Bulbous said:
It has a hardware failure. Take it to the service centre.
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hmm i see, but how would you know it is a hardware failure?
C double U said:
Hey guys,
Not sure what has happened to my note. I remember I only charged it overnight and in the morning I tried to turn it on and it stuck in the SAMSUNG NOTE 10.1 booting screen. So I did a quick search and I pressed power button + vol up button. After trying it a few times without any luck, my note suddenly went to this state (TV noise like - see pic). I could not do anything to it. Could anyone help me with this please? I am pretty noob in android device and never done any rooting and stuffs but pretty handy with PC. Thanks guys. Any help would be really appreciated.
sorry potato quality
Click to expand...
Click to collapse
what software are you running on it when it quit.
shaun298 said:
what software are you running on it when it quit.
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Click to collapse
not sure, I think it's either power off from a drained battery or just home screen. I charged it overnight and it couldn't be turned on anymore in the next morning.
C double U said:
hmm i see, but how would you know it is a hardware failure?
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Click to collapse
Similar to my daughter's 8010. It kept freezing and would sometimes show a screen like that. Samsung replaced the Motherboard in the end.
Bulbous said:
Similar to my daughter's 8010. It kept freezing and would sometimes show a screen like that. Samsung replaced the Motherboard in the end.
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hmm I see, the warranty has just expired, looks like i need to pay another for the parts. darn! thanks though
C double U said:
hmm I see, the warranty has just expired, looks like i need to pay another for the parts. darn! thanks though
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If you're out by just a month or 2 I'd claim expected warranty. In Oz if the warranty is out by a small amount you can get it fixed under warranty because it is expected that the item will still be running outside the warranty period. It's ridiculous to have an item fail just out of warranty. It is expected to work for a while longer, not quit a week or month after the warranty ends...

Stuck in recovery/volume down stuck

So I dropped my phone in water a few days ago. After leaving it in rice overnight, nothing seemed wrong except for the fact that my volume down button didn't work half the time, and sometimes it would go off by itself (I would be browsing on my phone and suddenly the volume would go all the way down by itself, as if someone was holding the volume down button). The problem disappeared soon, so I forgot about it. But today, when I tried to change my volume, it wouldn't work at all, so I decided to restart the phone to see if that would fix it. Bad idea, because now no matter what, the phone always boots to recovery. It seems like my phone is registering that the volume button is always being held down, so every time I boot it up, it goes to recovery. Is there any way to bypass this? I can still press down on the button like I normally would be to, so it's not physically stuck.
Pop the back off of it and check the volume down tab to see if its physically stuck or not. The moisture may have caused some corrosion buildup in the tiny aluminum piece that gives it the spring back when released. If its stuck you can try and play with it to see if it'll come loose or try replacing the ribbon cable all together.
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18th.abn said:
Pop the back off of it and check the volume down tab to see if its physically stuck or not. The moisture may have caused some corrosion buildup in the tiny aluminum piece that gives it the spring back when released. If its stuck you can try and play with it to see if it'll come loose or try replacing the ribbon cable all together.
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Did you get yourself some Bacon? Haven't seen you since my early Evita days.
Transmitted via Bacon
Yep, frying bacon good to see a familiar face. I've been on nexus 5/6 forever and steered away from HTC/Samsung. The oneplus is hot tho, Google is going to need a miracle device to get me back! Asus has me sold tho, I'm 4sure grabbing one of their new zenphones to tear into and explore!!
18th.abn said:
Yep, frying bacon good to see a familiar face. I've been on nexus 5/6 forever and steered away from HTC/Samsung. The oneplus is hot tho, Google is going to need a miracle device to get me back! Asus has me sold tho, I'm 4sure grabbing one of their new zenphones to tear into and explore!!
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Click to collapse
Yeah I love this phone, it's a real beast. You doing any dev work here?
Transmitted via Bacon
18th.abn said:
Pop the back off of it and check the volume down tab to see if its physically stuck or not. The moisture may have caused some corrosion buildup in the tiny aluminum piece that gives it the spring back when released. If its stuck you can try and play with it to see if it'll come loose or try replacing the ribbon cable all together.
Click to expand...
Click to collapse
Hey, thanks for the suggestion. I've opened the back (which was painstakingly hard), and the button seems to be fine. It seems like there's no difference between that one and the other buttons - it still springs back up when pushed. What do you mean by replacing the ribbon cable? Any other ideas?
timmaaa said:
Yeah I love this phone, it's a real beast. You doing any dev work here?
Transmitted via Bacon
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No, I come here and mostly just read thru the forums. My schedule isn't as nice as it used to be so I don't get to play much anymore. I'm looking forward to the zenphone tho because I'm thinking the x64 Intel processors will re-light some new excitement for me.
prolarbears said:
Hey, thanks for the suggestion. I've opened the back (which was painstakingly hard), and the button seems to be fine. It seems like there's no difference between that one and the other buttons - it still springs back up when pushed. What do you mean by replacing the ribbon cable? Any other ideas?
Click to expand...
Click to collapse
I would probably remove the motherboard and sister board and give them a close look over for some sign of damage or corrosion and maybe use a q-tip with rubbing alcohol to wipe over any I find. Just don't get it on any around the base of the chipset. I think the ribbon cable is soldered to the board if I remember correctly so replacement would be difficult. If its not, replace it.

Flashing green/yellow when "charging" but not charging

Story time first, then the question.
Okay so I have a tablet I got replaced by the recall, and I'm going to say it - I'm not gentle with my devices. That's why I made sure to have a case on it at all times. The other day I was trying to pick up my tablet in the dark because I had put it on the floor for a second to get it out of the way to turn off the light to go to bed. I found the cable it was plugged into and slowly started picking it up by the cable. I know, I know, but it worked, almost. About three inches off the ground it came unplugged and dropped, then fell flat on the display side. When I tried to turn on the screen to use it (I'd done that before so I didn't think it would be a big deal. Besides, this is a tough little tablet - my brother left his on top of a car and drove off and when he got it back there was a little cosmetic damage and not even a cracked screen, even though it hit on the corner) the backlight came on, but nothing came on the display. So then I took it to a local repair place to get an evaluation done. The display cable had come unplugged, nothing more. Just needed to get plugged back in. For $30. HA! I took to the internet to find a teardown I could use to fix it myself and save the money. But the video I found didn't have any words, spoken or otherwise, so I ended up just having removed the battery and mobo and putting everything back in. Well, it worked. The display came back on and I had my tablet back. But the warning that my card wasn't in came up and when I figured it out, it turns out when I had lifted the mobo, the card slid out a little and when I put it back it snapped the card, so now I need a new one. But now once I put it back together there's a new problem. When I plug it in to charge, the led flashes green and yellow, but it doesn't actually charge. I guess I somehow knocked loose another cable or something while I was in there.
Okay now for the question.
Does anyone know of a diagram of the connections or a teardown that labels things I could use to more confidently get this tablet working again? I think I mainly just need to know where the charging circuit connections are. I'm pretty sure of which one I need to plug in correctly to make it work but I'm a little gunshy this time and would rather know for sure. The battery is down to 11% and it's off right now, but I use this thing too much to do without a tablet for long.
I got similar problem, my 3 year old son dropped his tablet couple of times accidentaly and suddenly we could not charge it anymore (orange/green flashing). I have a replacement battery prepared for my pyro tablet (his tablet is the replacement), so I decided to replace the battery. Once I opened the tablet (you can use this guide https://www.ifixit.com/Guide/Nvidia+Shield+Tablet+Battery+Replacement/50117) I found the green wire for the battery PCB detached from the main board . I soldered it and that's it, now it works again!
Now, I found that the new tablet is different that the one showed on ifixit, do you guys know what is that circuit installed on the tablet back cover?
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Display / touch with a slightly weird defect ...

Hello! I am here sharing a problem with my LG Volt, I changed the ROM recently for about 2 weeks, so I was all happy with my cell phone, until now, out of nowhere (I did not drop it), my cell phone started to give this bizarre glitch, which leaves it without any condition of use...
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I don't think this is about the screen or touchscreen sensor damage, because I didn't drop it this cellphone any time in about 1 month. And there's no sign of cracks and typical broken LCD crystal blurred spots.
If you guys have any hints, about what problem it may be, I accept answers.
linker1124 said:
Hello! I am here sharing a problem with my LG Volt, I changed the ROM recently for about 2 weeks, so I was all happy with my cell phone, until now, out of nowhere (I did not drop it), my cell phone started to give this bizarre glitch, which leaves it without any condition of use...
I don't think this is about the screen or touchscreen sensor damage, because I didn't drop it this cellphone any time in about 1 month. And there's no sign of cracks and typical broken LCD crystal blurred spots.
If you guys have any hints, about what problem it may be, I accept answers.
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I would try flashing the stock firmware, if that doesn't fix it, then it's more than likely caused by hardware damage of some kind for whatever reason.
Sent from my LGL84VL using Tapatalk
Droidriven said:
I would try flashing the stock firmware, if that doesn't fix it, then it's more than likely caused by hardware damage of some kind for whatever reason.
Sent from my LGL84VL using Tapatalk
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I tried, but the upload mode, is not working, the screen flashes like that, even in the boot. I think this is about hardware too, but i don't think is about of any kinda of damage, it's just the flat cable connecting the screen with the motherboard that is somewhat loose. Because this morning, when I unplugged the charger after at least 10 hours, the screen showed up normally, but when I shaked a little bit the phone, it died, and it started the screen glitch.
*Edit: And the cellphone is with the stock ROM. (I just reflashed with the original exactly ROM)

Unable to Unbrick the dead phone

I have a problem. Due to frustration, I hit my Redmi Note 7 pro to the edge of my bed . This made a dent in the phone. And now the phone is dead. Unable to fastboot. Not charging. Its completely dead. Tried to Unbrick but the mobile is not detected by Adb bootloader too when connected to PC. Any sort of help would be appreciable. Thank you.
Maybe socket battery not connected (displace)
Sent from my Redmi Note 7 Pro using Tapatalk
gandrigoes said:
Maybe socket battery not connected (displace)
Sent from my Redmi Note 7 Pro using Tapatalk
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I am not sure about that ,but before the incident happened , it was charged. Also holding power button or "power+ vol up'" button doesnt show anything. If it was battery issue, I believe atleast the mobile would have turned ON for a second
chinmay233 said:
I am not sure about that ,but before the incident happened , it was charged. Also holding power button or "power+ vol up'" button doesnt show anything. If it was battery issue, I believe atleast the mobile would have turned ON for a second
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well it depends on where the dent is on the phone if the dent is at upper portion (near camera)
then it is probably dead motherboard and even it was on the battery side (around "REDMI" logo)
then there is high chance that your device's battery will get punctured and it will caught fire or something
worse and it is also applicable to front side of phone. but there might be a chance that from the dent only
the screen has stopped working, in that case you can replace the screen and it will be fine.
dhruv1999 said:
well it depends on where the dent is on the phone if the dent is at upper portion (near camera)
then it is probably dead motherboard and even it was on the battery side (around "REDMI" logo)
then there is high chance that your device's battery will get punctured and it will caught fire or something
worse and it is also applicable to front side of phone. but there might be a chance that from the dent only
the screen has stopped working, in that case you can replace the screen and it will be fine.
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Thank you for your kind reply. This was helpful . By your explanation I suspect that the mother board is dead. And for clarification I have attached the pic and highlighted the effected part. Is there any solution for this? What can I do if mother board is dead?
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chinmay233 said:
Thank you for your kind reply. This was helpful . By your explanation I suspect that the mother board is dead. And for clarification I have attached the pic and highlighted the effected part. Is there any solution for this? What can I do if mother board is dead?
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is it still same???

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