Touch not working on Nexus 5 - Nexus 5 Q&A, Help & Troubleshooting

Today after lunch, my Nexus 5 started rebooting continuously, After 4 to 6 hours it started working as normal, but the touch of my phone is not working since it started again. Before the mentioned problem, it was working fine.
Please help me in following issue, Should I replace my LCD & Digitizer or this is any other issue???

The constant rebooting could be a power button issue.
Have you tried a factory reset in fastboot mode?

Try sticking piece of transparent tape on the bottom of flex cable (i sticked it on top of lcd and digitizer board. It works now for me. Before i couldt get touch to work

aciupapa said:
Try sticking piece of transparent tape on the bottom of flex cable (i sticked it on top of lcd and digitizer board. It works now for me. Before i couldt get touch to work
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Click to collapse
can you show on a picture how to do that and where precisely? thanks in advance.

babywarez said:
can you show on a picture how to do that and where precisely? thanks in advance.
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Click to collapse
actually i have no lcd or frame on my phone, as i am waiting for a replacement,because it fell on ground and lcd broke but here's what i did to make it work:
just put some transparent tape over the red area, try to cover everything, except screw stocks , and only then place the flex cable.
this worked perfectly before i broke my phone. in 3 day's i'll get a replacement lcd, so i'll be able to make some photos of how it's supposed to be.
If it won't work be really careful while removing the tape, so you wont wrip the lcd conenctor.
picture is in attachements

Related

Screen Problem

Hi,
My phone has a problem, i hope someone can help me, it started about a month ago,
When i slide the keyboard the screen would freeze, the image would freeze or sometimes it would become like this:
http://www.esato.com/board/img.php?id=140762 ( this is not my phone its just a pic i found)
This problem would be solved it i gently slide the keyboard back in, the screen would be back to normal, sometimes i had to slide it out and it
alot of time to make it work.
Well, today i woke up, with the screen of my phone all messed up ( like in the picture), i slide it out and in alot of times but no luck.
I turned my phone off, when i turned it on, the screen doesnt lighted up or showed something, the phone just vibrates, i took off the battery and tried again but no luck.
I read somewhere that i could be the flex cable, so i ordered one, but its gonna take some time to arrive.
Anyone had this problem before that can help me?
I didn't encounter such problems on MT4GS yet. But being a slider phone enthusiast I could 100% say it's a flex cable thing since I encountered that problem more than a dozen times already on other phones(nokia).
Riyal said:
I didn't encounter such problems on MT4GS yet. But being a slider phone enthusiast I could 100% say it's a flex cable thing since I encountered that problem more than a dozen times already on other phones(nokia).
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Click to collapse
Thanks for the info , when my new flex cable arrive i'll let everybody know what was the problem.
ShadyGame said:
Thanks for the info , when my new flex cable arrive i'll let everybody know what was the problem.
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Click to collapse
I would strongly recommend that you get a cable with the speaker already soldered in place....
+1 to that, get as much pre assembled as possible, this is about the most pain in the butt phone I've ever had the pleasure to disassemble. Read the last few posts here!
http://forum.xda-developers.com/showthread.php?p=35109055
Sent from my HTC Vision using xda premium
GoPadge said:
I would strongly recommend that you get a cable with the speaker already soldered in place....
Click to expand...
Click to collapse
is this one okay?
http://www.ebay.com/itm/121037327256?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
ShadyGame said:
is this one okay?
http://www.ebay.com/itm/121037327256?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
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Click to collapse
Yup. That one has the speaker, it's the black bar at the top with the silver sticker.
GoPadge said:
Yup. That one has the speaker, it's the black bar at the top with the silver sticker.
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Click to collapse
Nice, that the one i ordered, thanks for your help, ill report later how everything went when i receive the flex cable
I know this thread is from quite a while ago, but how did everything go? I'm having a similar issue.
GoPadge said:
I would strongly recommend that you get a cable with the speaker already soldered in place....
Click to expand...
Click to collapse
thanks for this bit of advice.
Disassembling the front of the phone is a pain. I'm a fan of spending $40 on ebay on a broken phone (where the screen still works just fine) and swapping out the fronts. That will get you a new flex cable as well. Otherwise, you risk having to get a new flex cable *and* a new LCD.
Agreed. First time disassembling front I was scared not to OVERheat phone internals. I ripped in half trackpad ribbon, damaged lcd back cover and got a lot of problems from it.
Then I bought broken phone with good front, but dead LCD. Second time I just lost it, I heated phone so hard that I got burns on my fingers, but it was worth it, LCD glue came off soo nice.
So better to overheat, then underheat when disassembling front LCD.

[Q] Help screen not responding

Hey guys i hated my tf300 untill i put a custom ROM(hydro) on it.I have loved it ever since...unfortunately i dropped it and now the screen just doesnt respond anymore..screen still looks perfect no crack or scratch..i have tried full reset and everything i can....should i get i new digitizer??
will that fix it please help..
rchremi said:
Hey guys i hated my tf300 untill i put a custom ROM(hydro) on it.I have loved it ever since...unfortunately i dropped it and now the screen just doesnt respond anymore..screen still looks perfect no crack or scratch..i have tried full reset and everything i can....should i get i new digitizer??
will that fix it please help..
Click to expand...
Click to collapse
Cracks are not always visible. But if they're not there, I'd suggest you open the back case and try to reseat the ribbon cables at the touchscreen PCB. While at it, check the flat silver cable connecting that board to the mainboard also. Make sure nothing is jarred loose by the drop.
graphdarnell said:
Cracks are not always visible. But if they're not there, I'd suggest you open the back case and try to reseat the ribbon cables at the touchscreen PCB. While at it, check the flat silver cable connecting that board to the mainboard also. Make sure nothing is jarred loose by the drop.
Click to expand...
Click to collapse
thanx for responding...i did exactly what you said ..i disconnected both cables (silver and brown) and put them back..more than half of the screen started working, the other part was just dead and those parts didnt work even when i tilted the screen.. like 5 minutes later the entire screen is dead again......do you think its the digitizer?
rchremi said:
thanx for responding...i did exactly what you said ..i disconnected both cables (silver and brown) and put them back..more than half of the screen started working, the other part was just dead and those parts didnt work even when i tilted the screen.. like 5 minutes later the entire screen is dead again......do you think its the digitizer?
Click to expand...
Click to collapse
Sorry for the late reply. I've run into this problem before. When you have a digitizer that works for a few minutes then stops as the tab warms up, (1) more likely than not, there's a crack somewhere or a tear on the ribbons, visible or not, or (2) the new screen boycotting the old firmware. No new screen points to faulty hardware. However, it doesn't hurt to eliminate possible software causes.
The best test I can think of at this point would be to first check the physical connections again (check the connectors and ribbon ends under a magnifying glass, make sure they aren't damaged, bent or stripped), then re-flash the firmware following instructions in another thread, then turn on "show touches" in settings. If you still see "ghost touches" after a few minutes, the digitizer is likely ass-kicked by the drop.
I've had a digitizer on a TF act "leisurely" because of a crack across the width of the bordering black strip that couldn't be detected with the naked eye because it severed the circuit on just the underside. The surface was totally smooth. As the crack spread, it became obvious.
If I had access to your glass, I could've tested for you. Too bad.

[Q] black screen after screen replacement

I dropped my phone and shattered the screen. afterwards, the phone started behaving weird, the screen was purple with yellow static, but it still worked. So I bought a replacement screen and replaced it, but after the replacement, the same behaviour persisted. I googled it and found out that it might be the usb flex cable, so I replaced that. After the replacement it worked fine for about half an hour, then it just went black. Now when I turn it on, the backlight turns on, but nothing is being displayed. If I press down on the flex cable connector I get that purple yellowish screen that I had before, but as soon as I lift my finger, it goes black. Did I damage the connector on the motherboard or did I break the flex cable when replacing it?
Perhaps
not very helpful, but thanks anyways
I soaked all the components except the screen in alcohol for an hour and let them to dry, but it's still the same. By the way, I tried the old flex cable as well and it behaves the same.
entipck said:
not very helpful, but thanks anyways
I soaked all the components except the screen in alcohol for an hour and let them to dry, but it's still the same. By the way, I tried the old flex cable as well and it behaves the same.
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Click to collapse
Hi there, sorry to resurrect this topic, but I'm having this same issue, just wanted to know if OP found a solution to this.
aquilesboy said:
Hi there, sorry to resurrect this topic, but I'm having this same issue, just wanted to know if OP found a solution to this.
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Click to collapse
the solution is to resolder the connector of that flex cable on the nexus 5 mainboard. Use a heatgun and heat it up until the solder smelts, you can add some flux before that. That should fix it
234herobrine432 said:
the solution is to resolder the connector of that flex cable on the nexus 5 mainboard. Use a heatgun and heat it up until the solder smelts, you can add some flux before that. That should fix it
Click to expand...
Click to collapse
Thanks for the reply, I'll try that, recently the USB data stopped working, PC doesnt recognize the device anymore but I guess it is still charging because it hasnt turned off.

replace entire screen

Im trying to replace the lcd (the whole front panel) on a surface pro 1, and have run into an issue. Its for a friend of mine and it was presented to me with the old front panel removed and the new one kinda slapped in there, Im wondering if anyone has a link to a repair guide for it. Ice done many screens before and it kinda seems like its dead. I have all of the ribbon cables connected and none of them look pinched or damaged. Any help/thoughts would be appreciated. Thanks in advance!!
youdoofus said:
Im trying to replace the lcd (the whole front panel) on a surface pro 1, and have run into an issue. Its for a friend of mine and it was presented to me with the old front panel removed and the new one kinda slapped in there, Im wondering if anyone has a link to a repair guide for it. Ice done many screens before and it kinda seems like its dead. I have all of the ribbon cables connected and none of them look pinched or damaged. Any help/thoughts would be appreciated. Thanks in advance!!
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Click to collapse
Is the glass screen cracked?
XxCyberHackerxX said:
Is the glass screen cracked?
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Click to collapse
well, the original one was, but the replacement isnt. The person who started the project took the old screen off and replaced it with an entirely new one but couldnt get it to come on, so he gave it to me to work on. Ive connected all the ribbon cables and tried rebooting it, but it wont come on. Is there a way of force rebooting it like there is in android? Ive tried holding the power button down for over 30 seconds and it didnt do anything.
youdoofus said:
well, the original one was, but the replacement isnt. The person who started the project took the old screen off and replaced it with an entirely new one but couldnt get it to come on, so he gave it to me to work on. Ive connected all the ribbon cables and tried rebooting it, but it wont come on. Is there a way of force rebooting it like there is in android? Ive tried holding the power button down for over 30 seconds and it didnt do anything.
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Click to collapse
I'm not sure honestly.
I also have a Surface Pro 1 with a cracked screen and would like to replace it.
The cheapest way is to only replace the glass with digitizer http://www.aliexpress.com/item/For-...-Glass-Replacement-Parts-1pc/32368476632.html
I know replacing the whole LCD combo is easier, but is this still doable? For example with this http://www.aliexpress.com/item/100m...ine-to-Splite-Glass-Lens-for/32245814109.html or these http://www.aliexpress.com/item/5ml-...for-Cellphone-Glass-Lens-LCD/32479129528.html tools
Or should I use just use the complete set: http://www.aliexpress.com/item/Free..._78_77_80,searchweb201644_5,searchweb201560_9
And is this the right set to buy when you want to fix a cracked screen on a SP1 128GB

Bad motherboard or ?

I bought my brother a second-hand M8. It had a cracked screen but it was really cheap. I put the new screen in and a new SIM card reader. Everything worked fine for months and out of the blue the screen stopped responding to touch. Everything else worked fine as far as I could tell. Even in TWRP touch was gone so I figured maybe it was a cheap screen or something like that. I took it apart and the backlight was falling apart. Ordered a new screen that had the frame with it to save time on reassembly and because the old one was a little tweaked. Same problem, ran the RUU from Windows, ran different RUU's from several threads via Fastboot. Ran the latest firmware package on Santods thread and still nothing. It has to be the motherboard at this point right? The display and digitizer cables go right into the motherboard and the only cable that looks replaceable goes up int the daughter board with the cameras and top speaker assembly. Am I missing something or should I just scrap this mess?
lightweaponx said:
I bought my brother a second-hand M8. It had a cracked screen but it was really cheap. I put the new screen in and a new SIM card reader. Everything worked fine for months and out of the blue the screen stopped responding to touch. Everything else worked fine as far as I could tell. Even in TWRP touch was gone so I figured maybe it was a cheap screen or something like that. I took it apart and the backlight was falling apart. Ordered a new screen that had the frame with it to save time on reassembly and because the old one was a little tweaked. Same problem, ran the RUU from Windows, ran different RUU's from several threads via Fastboot. Ran the latest firmware package on Santods thread and still nothing. It has to be the motherboard at this point right? The display and digitizer cables go right into the motherboard and the only cable that looks replaceable goes up int the daughter board with the cameras and top speaker assembly. Am I missing something or should I just scrap this mess?
Click to expand...
Click to collapse
When I swapped out the battery in mine the screen was unresponsive and it was becaus a ribbon cable was misaligned in the connector. I cannot rememer Which one it was but I hope this helps.
bug6810 said:
When I swapped out the battery in mine the screen was unresponsive and it was becaus a ribbon cable was misaligned in the connector. I cannot rememer Which one it was but I hope this helps.
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Click to collapse
I checked all of the ribbon cables multiple times and sadly that had no effect. Thank you for trying though!
lightweaponx said:
I checked all of the ribbon cables multiple times and sadly that had no effect. Thank you for trying though!
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Click to collapse
No problem and good luck!

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