yashsingh1/xdaforums huggingface dataset:
[Nexus 7 (2013) General] InfX:
Thanks a lot for posting this! I didn't think my random touch screen freezes (usually happens while typing) could be a result of poorly fit connector. After reading your post i've popped the cover open and checked the connector mentioned. Pushing it slightly did result in a slight "click" (not sure how to properly describe the tactile feeling you get when hooking this kind of connectors up, not really a click, but you should know what i mean), meaning the connector either hasn't been properly hooked up in the first place or, alternatively, got loose (batter heating up and changing size, slightly, slowly pulling it out?). Used the tablet for many hours since the procedure, not a single freeze for now. I'll probably stick some kapton on it or something if it ever gets loose again, to prevent it from ever happening any time soon.

Again, thanks for posting this.
[Nexus 7 (2013) General] mac-devil:
Thnx for detail description , only had single touch issues . asa i held another finger anywhere on screen making it multitouch it would respond normal, if i removed then it would register now and then only,

Opened up removed all connector and ribbon , reconnect the whole thing and so far , its reacting great. where Q and A on keyb i had most bad reactions , now it reacts every single time.

thnx again for this great tut
[Nexus 7 (2013) General] gr8twhite:
Glad it worked for others.

Didn't do squat for my nexus 7.

:(

I can't help but wonder if its the cable fix that eliminates/fixes for a time the touch issues or the fact that you do a power off reset when you open the case which simply resets the touch software. Like when reflashing the sfhub modified touch drivers you have to do a couple system resets before they "settle in"....

:confused:
[Nexus 7 (2013) General] desmondso99:
didnt work for me :'(. i reconnected the cable and confirmed two clicks for several times. but it still somehow felt loose as i could easily pop it off with tools. was it normal? should i apply some sort of adhesive?

anyway, thank you for your efforts!
[Nexus 7 (2013) General] aa_chow:
Thanks OP. Reseated the display/touch cable. Seems to be better for now.

Also added a piece of vinyl over the display/touch cable so that it will not touch the Qi coil.
[Nexus 7 (2013) General] remedya:
This fix worked for me but it needed to be repeated after two months. When I repeated it today, the connector was not loose but reseating it helped. I use Qi charging which, I suspect, might be contributing to the problem perhaps due to the heat generated during Qi charging.
[Nexus 7 (2013) General] rob61280:
Thanks OP, I reseated my screen connector and applied some scotch tape to prevent the ribbon cable from pulling the connector loose. Its like I have a new tablet, I will post back in this thread if the changes aren't permanent but so far its looking good.

R
[Nexus 7 (2013) General] basily:
This is a really weird issue. Probably made even weirder by the fact that it's likely several different issues, as evidenced by the fact that different solutions work or don't work for different people.

I first tried out this solution and at first I thought it worked, but alas, no. I re-opened my tablet several times trying to re-seat the connectors "better" each time. I tried grounding my device. I tried pushing on different points on the back of the case and squeezing the case more tightly shut. All produced random results. My touchscreen is messing up so badly to make the tablet completely unusable.

I finally decided this issue, at least for me, cannot possibly have to do with the hardware. The reason is that I have multirom installed and I can boot stock, CM, and Ubuntu Touch. With stock it's unusable. With CM, there are slight issues, but still not good. With Ubuntu it works flawlessly.

I'm trying out the different fastboot flash files here now:

http://xdaforums.com/showthread.php?t=2428133

Each makes my touchscreen respond BETTER, but nothing perfect. This really sucks asus/google!
[Nexus 7 (2013) General] xPXGx:
I had this issue for a long time, which really made me not want to use my N7. I decided to install CM 11 and see if that would do anything. It did. No more issues.
[Nexus 7 (2013) General] bokoy:
Just the same for me, woked at the begining but now opening a resteating the connector doesn't help at all. Didn't try cm or ts, when it goes mad I just turn the screen off and on again and most of the times it solve the problem, others it doesn't, when it is really hot it fails much more.

It is a major problem with the device, shame on asus and google, mine went two times to asus sat with no solution and no offer for replacement.
[Nexus 7 (2013) General] spiked_mistborn:
Over the past few weeks my touchscreen has only been working intermittantly, and after doing this it's working perfectly. Thank you! Hopefully this is a permanent fix, because I really wasn't looking forward to backing everything up and sending my tablet in to Asus to be wiped and sent back without being fixed.
[Nexus 7 (2013) General] Henrock11:
Notice a difference? Is it still not registering touches when not being held , like being left on a pillow or on the bed?
[Nexus 7 (2013) General] basily:
It's working perfectly now. Not a problem all day since yesterday. Before, I was lucky if it worked for 5 minutes. Mostly it was unresponsive or responding to ghost touches all over.
[Nexus 7 (2013) General] Henrock11:
So have you encountered any problems since you've gotten it back? Again , you said they changed the lower circuit board?
[Nexus 7 (2013) General] basily:
Still working perfectly. Yes, they replaced the lower board, the one that the micro-usb port is on. The tech said it's a common problem, like he knew that's what they'd be replacing right from my description of the problem.
[Nexus 7 (2013) General] k3lcior:
Hello .. i had same exact issues with touch screen, i was dealing with it since i bought the tablet, earlier this week i had another serious issue described here: http://xdaforums.com/showthread.php?p=52497874

I decided to send it for RMA (obviously i have also mentioned about touch screen problems), picked it up just today and it seems that they have fixed the touch screen issue, tested it alot and no missed touches yet.. so maybe they have finally figured out whats causing it.

Heres part of the RMA document, it says what they replaced (Wymienione części = Replaced Parts, it seems to be motherboard?)

So i suggest to send it back to RMA (even if you did earlier and it didnt help)

Edit:

It was serviced in Poland.
[Nexus 7 (2013) General] Henrock11:
I just sent mine in today. I'm really hoping they get this fixed. I mentioned in the RMA form that others have had luck when the motherboard is replaced.
[Nexus 7 (2013) General] a1317931279:
It seems complex...may try next time
[Nexus 7 (2013) General] CitizenLee:
Would this work on the 2012 version with an unresponsive screen?

Faulty ones are dirt cheap on eBay so tempted to pick one up just to see if I can fix it.
[Nexus 7 (2013) General] rob61280:
Unfortunately my touch screen problems have returned. They are not as severe but there is definitely an issue with my touch screen.
[Nexus 7 (2013) General] alwin006:
I bought my tablet in the US on August 8th and had no problem with it until now. Then I moved to France, and I think I'm stuck with a useless tablet that can't even pass lockscreen :crying:
[Nexus 7 (2013) General] rob61280:
Do you use a case with your N7? since I stopped using mine my touch screen has been perfect.

R
[Nexus 7 (2013) General] alwin006:
Nope, I never did
[Nexus 7 (2013) General] basily:
You might consider grabbing a replacement board on eBay and switching it out. That's what they did when I had mine RMA'ed. They switched out the lower board, the one with the usb port on it, and it's like new now. It's really quite easy to do yourself, watch the various videos on YouTube, have some patience, and it's really easy.

On the other hand, you might also want to call or otherwise get in touch with Asus to see if they'll warranty repair it for you there... I'd do this first, before you go opening it up yourself.
[Nexus 7 (2013) General] Henrock11:
I'm getting mine back on Tuesday. On the RMA description form I mentioned that others were having success after having the lower circuit board replaced. Hope they changed it on mine. I'll report back on Tuesday and let you guys know if it fixed my problems.
[Nexus 7 (2013) General] MikeOIF08:
Did you get the Nexus 7 back?
[Nexus 7 (2013) General] Henrock11:
Yes I got mine back and they didn't fix it. Same issues as before. Just gonna wait to see if the next update fixes it. If not , I'm just gonna give it to my girl and get the nexus 8 when it comes out.
[Nexus 7 (2013) General] MikeOIF08:
You would think they'd test it before they sent it back or just replace it if they couldn't figure out. It's now just a norm for me to just lock/unlock the screen when the touch starts messing up that I don't even notice when I do it now haha.....so sad I know....

My thoughts were to give the n7 away as well to a family member and get the nexus 8 too unless it's made by Asus again.
[Nexus 7 (2013) General] mhannigan:
I saw your 4 day results. Now that it has been quite a long time, I would love to know if the fix held out for you!
[Nexus 7 (2013) General] squeeish:
A search on eBay shows me that I can buy the USB board you guys are talking about for about $65 USD.

I'm really tempted to try but can any more people confirm that this replacement works for them?
[Nexus 7 (2013) General] MikeOIF08:
I saw there selling refurbs on eBay for 139..could just get one of those then sell your current..I think I'm just going to hold out for the N8
[Nexus 7 (2013) General] osm0sis:
I have weird buzzing sounds when changing screens (triggering Recents, or opening a white app, etc.). Any chance a loose connector would be responsible?
[Nexus 7 (2013) General] AHomelessGuy:
i upgraded to 4.4.3 with the OTA and surprisingly it fixed my ghost touches (my n7 had a pretty bad problem with the ghost touches, even tried the ts10 fixes,etc)...if you guys are still having problems I suggest trying to upgrade to the 4.4.3.
[Nexus 7 (2013) General] RR215:
Yes...touch is still working very well for me.
[Nexus 7 (2013) General] MikeOIF08:
I've noticed my touch issues aren't as bad with the OTA update as well.
[Nexus 7 (2013) General] niscrulez:
Does 4.4.3 update replace ts automatically?

Enviado de meu Nexus 7 usando Tapatalk
[Nexus 7 (2013) General] jonjonk:
when did you guys get the OTA update? i'm currenty in Europe. Has anyone gotten the OTA and live in Europe? also, for those who claim that 4.4.3 fixed the touch issue, how long have u used it so far and has the problem ever returned? thank you for your time!
[Nexus 7 (2013) General] bokoy:
4.4.3 did not fix the multitouch at all. I'm in Europe but used the Google factory image.
[Nexus 7 (2013) General] jonjonk:
god damn it, why hasnt ASUS issued a recall yet. this looks like at least 30% of devices have the problem.
[Nexus 7 (2013) General] threepwood960:
I am a very happy man :)

I had the official Rom (4.4) with ts20 fix, and the only problem I had it was some reboots every day (without the ts20 the tablet is unusable).

Now I flash cyanogenmod 4.4.3, and it is working without reboots or multi-touch issues from 2 days ago. And all of this without reinstall ts20.
[Nexus 7 (2013) General] Red_81:
Any of the files flashed will not get replaced when you change roms. You would have to flash the unlock file first.
[Nexus 7 (2013) General] AHomelessGuy:
well I spoke too soon...after a couple days with the 4.4.3 OTA update the touchscreen problems are back
[Nexus 7 (2013) General] Philaphlous:
I just did the Qualcomm memory and delvak update which gave me a huge performance increase and so far I haven't had much touchscreen issue whatsoever
[Nexus 7 (2013) General] tsimitsangaz:
what do you mean? that you applied the patches from the first post?
[Nexus 7 (2013) General] mdamaged:
Coincidence and/or placebo, those patches have 0 to do with the touchscreen firmware.
[Nexus 7 (2013) General] ronnie_jsph:
Unfortunately, settings has stopped

I keep on getting " Unfortunately, Settings has stopped." when i try to access settings in nexus 7 2012 tablet. My tablet is not rooted. sometimes the settings work and sometimes don't. My tablet is not rooted. plz suggest a solution without rooting the tablet.
[Nexus 7 (2013) General] mdamaged:
FYI, this forum is for the Nexus 7 2013, you have the 2012, that forum is here: http://xdaforums.com/nexus-7

That being said, is your device's bootloader locked still? If not, you might want to try wugs thread..you may want to do a backup (no root needed) by using Helium or Wug's toolkit before doing anything.

...if it's %100 stock, and has a locked bootloader, you can live with it, or do a backup then factory reset.
[Nexus 7 (2013) General] ronnie_jsph:
help

\

Hey, thanks for replying. I haven't rooted or unlocked its bootloader. All i have done is factory reset the device several times in the hope that i get rid of the settings problem but still i am facing the same issue :( will this problem remain forever. the device is under warranty :( will this problem be fixed with the new 4.4.3 update ? plz help :(
[Nexus 7 (2013) General] mdamaged:
It's impossible for me to say, there could be a number of things, if you indeed have done resets, than either it's hardware (EMMC maybe?), or maybe (big maybe) some setting is being grabbed by google syncing your device (there is a setting on your device which syncs app settings to the cloud), maybe some setting is corrupt (yes, I am grasping at straws, and I have no idea if that sync has anything to do with those settings.)

If it is under warranty, I strongly suggest you send it in. (unless you typoed and meant to say it is NOT under warranty.).

If it is not under warranty, you can live with it, or, bite the bullet and use wugs toolkit, unlock the bootloader (this will wipe EVERYTHING), and try to install either stock 4.4.3 that way, or a custom ROM to see if it has the same issue.

First though, try posting to the wugs thread I linked earlier, [MENTION=3110798]WugFresh[/MENTION] knows more than I ever will about things like this, and is a damn helpful person.
[Nexus 7 (2013) General] php5_developer:
something I found today

So I bought a n7 2013 32gb wifi and I have touch screen problems and I did what you suggested which didn't work. But during my tests I found something that could fix the problem. Here's what I found:

My problem is that my touch doesn't respond in certain areas when I put my tablet on surfaces like sofa and bed. And while my tab is in charge my problems disappear. Today I was trying my touch screen to find a solution. I put on the sofa and again I couldn't type the side letters such as a,s,k,l. While my hand was on the letter I touched top bezzel with my other hand and it suddenly began to work normally. I tested this several times and now I'm thinking there must be something wrong with ground of the touchscreen but I have no clue how should I fix that. Can you guys try this and see if your problem is the same as me or not? I feel that we are close to a solution.

Thanks in advance
[Nexus 7 (2013) General] mdamaged:
Not to burst your bubble, but what you 'discovered' is pretty much common knowledge (search this thread for the word ground), I suffered from that as well, but the TS20 solved this for me.
[Nexus 7 (2013) General] lotherius:
It is definitely a ground issue.

I'm fighting this right now. I had to replace the screen/LCD on my DEB. Unfortunately, there are NO pictures online that I can find of a disassembled DEB (LTE) version, and there are some differences.

When I have the case back OFF (guts hanging out), the touchscreen works. As soon as I snap it back together, the touchscreen doesn't respond. Sounds like a bad ground somewhere but I can't find it.... :/... Warranty replacement is out of the question, as I've had to replace the screen/bezel. In hindsight, for the cost of the LTE, I should have paid ASUS to do it. You live & learn.

Additionally, how in the world could a software fix solve a grounding problem?
[Nexus 7 (2013) General] mdamaged:
All I can tell you is I can lay it on a pillow, or bed, or wooden table now, and use the tablet edge to edge, when before I could not.
[Nexus 7 (2013) General] lotherius:
Actually I gave it another go after posting this... I removed one of the grounding strips and replaced another. Made sure the antenna leads (there are extra on the LTE) were correct..

And now it appears to correctly function *crosses fingers*..

I've been without my DEB for several months... have spent way more than is right to fix it after a busted screen...

....

And... I get my DEB Fixed only to find out that Google has abandoned the LTE updates, and there is no 4.4.3. Not even a factory image. Verizon shenanigans again it seems, despite the fact many owners are NOT big red customers.
[Nexus 7 (2013) General] php5_developer:
Thanks for the reply, but how can you fix a ground problem with software? And is this patch work on the latest version(4.4.3)?
[Nexus 7 (2013) General] mdamaged:
Not so much as fix, perhaps more like compensate, as all I can say is that it helped mine I can use the device on surfaces I could not before. Should be fine regardless of version.
[Nexus 7 (2013) General] lotherius:
FWIW, after my experience replacing the screen on my DEB, I'm 100% convinced that the screen issue is a grounding problem.

The display cable is held in by a piece of silver tape. It appears this tape provides a ground. Without the tape, my tablet was rebooting randomly, randomly having the touchscreen not respond, and even the bottom speaker was not functioning.

With the tape, it was working fine, but then the touchscreen stopped responding when I put the back cover back on the tablet.

Finally, I added ADDITIONAL silver tape to the top of that connector and reassembled, and now much touchscreen is fine.

Personally, I am going to see if I can find more of that silver tape in case this happens again. What I have isn't very sticky because of being removed. It may be the case that those who have reseated the cable before also have the tape being less sticky. In that case, how you position or hold the tablet could definitely make or break a sensitive ground inside.
[Nexus 7 (2013) General] php5_developer:
just a theory

What you're saying is that piece of tape is actually responsible for grounding, right? Well mine doesn't have glue on the part where the actual connector is. I added something to the back cover to make the tape stick tighter to the connector but I guess I'm out of luck. Maybe we need to change that tape to something that conducts electricity more! I'm not an expert in the electricity department perhaps you can help me some this issue
[Nexus 7 (2013) General] lotherius:
I'd be nervous using actual metal tape other than this silver stuff. The question is, can you buy this tape? I'm not sure what it's called.
[Nexus 7 (2013) General] Philaphlous:
If your looking for metal tape look no farther than your local hardware store. The hvac Isle will have duct tape. Not duck tape but duct. This is basically foil adhesive. Works great for everything. From home repairs, technology to car mods...
[Nexus 7 (2013) General] osm0sis:
I don't think it's the same stuff. I've tried to use the aluminum duct tape before for minor electrical things (remote repair, etc.), and it doesn't seem to be able to conduct through the adhesive.
[Nexus 7 (2013) General] php5_developer:
Maybe, just maybe the actual ground of the board is not working properly and that leads us to see this piece of tape conducts in place of the real ground. My N7 has no problem while charging. I'm a little suspicious to the battery, because while discharging, battery is in charge of grounding everything. That tape is just a workaround in my opinion. Any of you ever changed your battery?
[Nexus 7 (2013) General] lotherius:
I'm pretty sure they wouldn't use this type of tape if it wasn't necessary.

And I'm really certain that duct tape won't work. Just because it is silver doesn't mean it has the proper conductance to be a ground. Actual foil tape (sometimes also called duct tape) might work, but I'm not sure if it would conduct through the glue. Besides which, the glue is very tough and I'd be worried about damaging components if you had to try to remove it.
[Nexus 7 (2013) General] osm0sis:
Yup, foil tape is what I was referring to. The aluminum does conduct, but it doesn't conduct through the glue side unfortunately, like you say. :)
[Nexus 7 (2013) General] MikeOIF08:
Well since I'm still in warranty, I got a RMA number last night. Might as well give them a shot at it.
[Nexus 7 (2013) General] graphdarnell:
I think it's EMI shielding cloth tape. You can find it here. But if you look at the back cover, there's a thin pad covered with the same material that's pressed against the LCD connector when you close the back cover. So there's plenty to shield. I don't think you need more.

When it doesn't work, bend the whole tab a little. It made a big difference for me. Which also means it's not just a ground issue. A member who replaced about 3 dozens of these screens told me that if the mid-frame bezel is deformed in any way, no matter how slightly, it could cause malfunction (pressure on the edge of the touchscreen). I witnessed this first-hand. BTW, did you replace just the touchscreen (outer glass) or the whole assembly (glass+LCD)?
[Nexus 7 (2013) General] lotherius:
I ended up having to replace the entire assembly. Long story.

1) I believed those who said you could replace just the glass without replacing the LCD. I ordered just the glass. Wrong.

2) Then I ordered the glass+LCD... The plastic on the bezel melted before the glue softened. Rather than reassemble with a damaged bezel, I boxed up the parts.

3) Finally found a bezel that matched mine (there appear to be two distinct bezel designs, one of which I'm pretty sure doesn't have the cutout for the LTE antenna), and I replaced the entire Bezel+LCD+Glass together.

In the end, I spent nearly as much as I'd have spent to buy a WiFi only 16gb, but I still have a 32GB LTE... Now, if I could only get T-Mobile to fix the LTE data, which apparently they "deactivate" if the device isn't used for over 30 days..... ...

There may be a combination of pressure and ground issues. It could be pressure is breaking contact somewhere as well. My final issue was solved by adding an extra piece of grounding tape, which I got from the damaged bezel.