No response touchscreen - Nexus 7 Q&A, Help & Troubleshooting

A little background:
I have a 2012 Nexus 7 that I gave to my 6 yr old after I got the Nexus 10 - he's taken pretty good care of it, but recently the screen came up cracked. I went ahead and ordered a replacement screen in addition to a new battery and USB/audio port. (Since I was going to have it apart, might as well replace all the stuff in one go, right?)
Fast forward.
Device back together and boots fine, however the screen will not respond to touch input. I didn't think he needed a rooted device and it was interfering with getting OS upgrades, so I went ahead and restored it to stock a while back, however this has caused me to be unable to access his data which I plan on moving over to my Nexus 10 after I get my new Nexus 9. (he'll get the 10)
To the point:
Does anyone know of any particular reason why the screen won't respond? I read something about a driver incompatibility with Lollipop, but really unsure how to proceed without losing everything. Any assistance would be appreciated. I'd also like to sell or re-purpose the 7, but right now it's essentially a brick.

mdwbeex said:
A little background:
I have a 2012 Nexus 7 that I gave to my 6 yr old after I got the Nexus 10 - he's taken pretty good care of it, but recently the screen came up cracked. I went ahead and ordered a replacement screen in addition to a new battery and USB/audio port. (Since I was going to have it apart, might as well replace all the stuff in one go, right?)
Fast forward.
Device back together and boots fine, however the screen will not respond to touch input. I didn't think he needed a rooted device and it was interfering with getting OS upgrades, so I went ahead and restored it to stock a while back, however this has caused me to be unable to access his data which I plan on moving over to my Nexus 10 after I get my new Nexus 9. (he'll get the 10)
To the point:
Does anyone know of any particular reason why the screen won't respond? I read something about a driver incompatibility with Lollipop, but really unsure how to proceed without losing everything. Any assistance would be appreciated. I'd also like to sell or re-purpose the 7, but right now it's essentially a brick.
Click to expand...
Click to collapse
Was the screen touching at all after being replaced? You may have purchased a defective replacement. It does happen, I know, as this is my line of work. Make sure all of the cables are properly seated as well. Did you purchase this from a reputable seller? Perhaps they will work with you on an exchange.

Got it from Amazon. May look into a replacement, but I'd like to know if anyone has any experience with the Lollipop software issue before taking it all apart again....

Related

[Q] Is this Trophy salvageable?

So, I'm looking for a Windows Phone 7 device to have a play around with, not looking to spend too much as it's just going to be a toy really, and I came across this Trophy going cheap on ebay.
The phone doesn't boot at the moment, and the seller says "It either will turn on to the white screen with the htc logo on and wont go any further or you can turn it on to the bootloader and connect it to the pc, but thats it".
Does anyone know if it can be resurrected? I'm quite techy but I'm not a dev, as long as I have instructions I'm quite comfortable flashing roms and such, I used to have a HTC Hero that I rooted and flashed custom roms etc to, so I'm used to all that stuff. I've attached some pictures of the screen, if anyone can tell me whether it's bricked or not, and if it can be fixed (and possibly point me toward some instructions on what to do!) I would appreciate it.
I personally wouldn't buy it since you don't know exactly what happened with it. But it looks to me like maybe the GoldCard method would work...
...even though you might not have enough information to retrieve from the phone to create an actual GoldCard, you might be able to flash it with the original ROM using an Y-cable and an external card reader.
What is his asking price?
It's on an auction ending in 2 days, no bids yet so its still on the opening price of £20. I reckon it's worth a go as long as it doesn't go above £30
Of course, as long as it hasn't been opened I could just send it to HTC for a warranty repair, but where's the fun in that?
You could ask ansar on our forums if he helps you

Nexus 7 Going Back to Gamestop Soon, Root?

Hello All,
So I like many others I have the wicked screen flickering issue and have already talked to the GS manager at my local store. They are awaiting my unit to ship, could be up to a week because the warehouse doesn't have enough in back-stock.
In the meantime I can still use my tablet, but the question is..should I risk rooting it before the swap? I've been rooted and flashing different ROMs and Kernels for awhile on my Gnex but just briefly looking over the Nexus 7 forums it seems like some people are having a tough time with drivers and bricking. I realize the Gnex has been around way longer and the devs know it like the back of their hand, but should I risk rooting over these next few days and possibly running into a snag before swapping it out at Gamestop?
If it helps to know what computer I'd be doing the rooting/flashing from I could either do it on a Win7 32bit machine or a Macbook Pro running Lion.
Any insight would be greatly appreciated. Sorry if this is the wrong forum, but it seemed like a split between development and returns.
-Steve
stevvveo said:
Hello All,
So I like many others I have the wicked screen flickering issue and have already talked to the GS manager at my local store. They are awaiting my unit to ship, could be up to a week because the warehouse doesn't have enough in back-stock.
In the meantime I can still use my tablet, but the question is..should I risk rooting it before the swap? I've been rooted and flashing different ROMs and Kernels for awhile on my Gnex but just briefly looking over the Nexus 7 forums it seems like some people are having a tough time with drivers and bricking. I realize the Gnex has been around way longer and the devs know it like the back of their hand, but should I risk rooting over these next few days and possibly running into a snag before swapping it out at Gamestop?
If it helps to know what computer I'd be doing the rooting/flashing from I could either do it on a Win7 32bit machine or a Macbook Pro running Lion.
Any insight would be greatly appreciated. Sorry if this is the wrong forum, but it seemed like a split between development and returns.
-Steve
Click to expand...
Click to collapse
Is there something specifically you want to do with root? Before you root it, you have to unlock the bootloader [and probably flash cwm/twrp]. The oem bootloader unlock erases all your data [you can back it up beforehand though] too.
So if you're only gonna have it for a few days, I'd say probably not. But if you're an android nerd, and like to flash things, then I'd say go ahead if you don't mind the work of re-locking the bootloader and flashing the stock rom/recovery again later when you go to exchange it.
Drivers aren't really an issue anymore since Asus released official drivers. Only at first were there issues because we DIDN'T have signed drivers, so Windows complained about it and Windows 8 wouldn't even install them without some huge work around.
But yes. I would. You might as well test the waters on that one since it's going back. The Nexus Toolkit can restore the factory image and relock your device before you take it back.
Who knows, a new rom and kernel may fix your screen issues. Remember the N7 that came with ICS? Maybe yours has beta drivers on it or something...
Thanks to both! Sorry I went on an impromptu vacation. But I did test the water with my N7using the toolkit. Returned it. My new one unfortunately has a little backlight bleed, but I don't think Gamestop will keep replacing them.
Thanks again.

Nexus 10 spares

Hi I have a faulty Nexus 10 with a cracked screen and battery (randomly failed, not due to same fault as screen), everything else works fine, i was wondering what my best course of action would be? to get it repaired, buy new and keep old as spare, buy new battery (cant get screen for love nor money) or sell the working components and then put the rest towards a new nexus 10. If this is in the wrong section please let me know and i will move it. also if you are interested in buying any components please PM me or reply to this post. It is the 32GB version btw.
Thanks for your advice im really in need of it.

Need help updating a device that has been physically modified (fixed a broken screen)

Hey guys, I haven't been on XDA for years but I'm really in the need of some help... I wounder if you guys have some solutions!
I used to have a Sony SP, the thing broke and I decided to look for a replacement. Buying a new phone wasn't in my budget so I went and looked for a Samsung S4 that had a broken screen, bought the replacement OLED (I think it's an oled display), and took it to a technician to repair it. It was a good buy but little did I know that fixing the hardware on the device will disable my ability to update it! I've wanted to stay stock and not flashing any ROMs on it because I just want a phone that works. I don't want the hassle of having to worry about the latest firmware, and flashing new kernels, I just want a laid back experience. My phone was already rooted when I got it, in fact I had the SuperSU app already installed (which I thought was pretty weird but I didn't think much of it), everything else is stock. Is there any options so that I can update my device that don't require any flashing on my PC?
I have another phone with the same issue, my mothers Samsung S3. Full story, I live in Venezuela and smartphones here are extremely expensive, so obviously if something happens to them you much rather repair it then buying a new one because it's unthinkable to afford one, besides a Samsung S3 is still a good device. So one day the phones screen starts fading black, and it stops accepting touch input, we had to replace the digitizer (Touch Screen), and it functioned like normal! Problem is we needed to restore the device because it was getting a bit bogged down, low and behold, same issue as my Samsung S4. Now I can live without having my firmware updates, but I'd really like to at least help my mom get hers sorted out!
I want to thank everyone who took the time to read this, and that can help me fix my devices!
The reason you can't update your S4 is because you're rooted.
As for the S3, maybe there aren't any updates available.
Samsung stopped updating the S4 like two years ago at Android 5.0 and I don't think the S3 ever got Lollipop.
I'm also pretty sure that replacing a screen won't magically prevent your phone from receiving updates; The restore may have caused that.

If your device is older I would avoid Pie

I don't know if I am just suffering from correlation is not causation but I feel like the memory usage of the Pie rom was what just caused my phone to boot loop and then green screen. I just decided to use a Pie rom last week and despite seeing information in the threads saying there were issues with memory usage and other stuff I thought I would dive in. I loved the rom, it was working perfectly for 2 days and I enjoyed it. Then all of a sudden it just started having wifi disconnect issues, crackling speakers and finally one time when I was changing the volume on the phone it just BAM... restarted and got stuck at the google screen. I wasn't able to get back into recovery so I tried reflashing that using the BLOD method. That worked long enough to get a stock rom on the phone. I thought maybe I could just use my device like that but now it started going into a green screen and it wouldn't even power up. It did lead me to find information about getting my phone replaced. I think thats the only positive to come out of this for me. Obviously YMMV and flash at your own risk... but in 10 years of flashing I have never had an experience like this. Even with WM devices. I have kept an eye on both the Pie threads in Android Development and I see similar comments to my experience... I just suggest caution to people like me... who might only know what you are doing based on guides.
TLDR - I tried both the pie roms that were available. I decided on the PixelPie Rom. My phone started bootlooping withing 2 days. I think its the maxed memory usage.
Update: I just got an email that LG has fixed the board and they are mailing my phone back. I was afraid they were going to turn me down for one reason or another. I should get the phone in 2 days. I did personally speak with an LG rep over the phone about it since they were mailing me the same phone back. She said she would not be able to opt for me to receive a new phone because that is always based off the determination of the person repairing the phone. She said that if I ever have any more issues with the phone it will be covered by warranty since I am in the system. I would just have to mail the phone in and go through the same annoyance.
LG was nice enough to fix my phone... They also repaired the cracked screen free of charge. I am happy... I am sticking with stock. lol
As I know, there's a way to incrase your RAM sending motherboard to China (or just buying new from Ali) to install up to 4Gb. Can't precisely tell the prise, but something around $100. In some cases that can be a nice way to give your phone the second life.
orcgoblinsupply said:
As I know, there's a way to incrase your RAM sending motherboard to China (or just buying new from Ali) to install up to 4Gb. Can't precisely tell the prise, but something around $100. In some cases that can be a nice way to give your phone the second life.
Click to expand...
Click to collapse
Yeah, I paid around $100 for mine like a half year ago. Works very smoothly with Pie.
My phone started having more issues after the warranty time started running out. The screen isn't working right, the phone is freezing up all the time, its also giving me memory errors. luckily this happened within the 90 days of extended warranty they gave me. Will they ever just completely replace my phone? sigh... heh

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