Screen repair issues - Nexus 7 (2013) Q&A

I have just replaced the lcd and digitizer for my Nexus 7. The repair was about as easy as expected. I put everything back together and all the ribbon cables are seated as they should be. My issue is that it will not power up or stay on when I fit the back cover on.
I can power on the device with the case half way on it powers up and the touchscreen is fine. I fit the back cover back on and it's like it shorts outs. The screen goes black.
I have pulled it apart again and have checked and rechecked all my cables and reseated the battery. Both boards are seated. The symptoms tell me it should be a poorly seated cable but they are seated just as I found them.
Has anyone else run into something like this or have any other ideas on what it might be?
Sent from my SM-N900A using XDA Free mobile app

Havoc1127 said:
I have just replaced the lcd and digitizer for my Nexus 7. The repair was about as easy as expected. I put everything back together and all the ribbon cables are seated as they should be. My issue is that it will not power up or stay on when I fit the back cover on.
I can power on the device with the case half way on it powers up and the touchscreen is fine. I fit the back cover back on and it's like it shorts outs. The screen goes black.
I have pulled it apart again and have checked and rechecked all my cables and reseated the battery. Both boards are seated. The symptoms tell me it should be a poorly seated cable but they are seated just as I found them.
Has anyone else run into something like this or have any other ideas on what it might be?
Sent from my SM-N900A using XDA Free mobile app
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That's a tight fit. Secure those ribbons and connectors with some tape. They are almost surely unseating.
Sent from my Nexus 7 Flo running CM 11 4.4.2 with ElementalX Kernel using XDA Premium 4 mobile app

Thanks for the response. I taped just about everything I could down to keep everything stationary. I was able to get the back cover on and boot back up. Everything functions now however whatever my issue is with shorting out or in some cases locking up appears to be from the bottom left hand corner.
Sent from my SM-N900A using XDA Free mobile app

Related

[Q] Bent the pins in the battery slot- Need replacements

I bent one of the pins for the battery connection inside my phone. I use my phone a lot and keep 2 spares at all times. I tried bending it back into place, which sort of works, but my phone constantly loses power because it doesnt align perfectly.
Is there a module I can swap out, and if so, a link to it. I can do a bit of soldering if absolutely required, but I'm hoping this is a plug and play part.
I see no one has replied lol, ill have to look into it but from experience I would have to say its part of the main board and is not plug n play. If you could even find the replacement part for it I am sure the soldiering portion of it would be the most difficult.
0bey
Can u post a pic? On my girls vibrant the 3 snapped off half way and it still works dine
lando123 said:
I bent one of the pins for the battery connection inside my phone. I use my phone a lot and keep 2 spares at all times. I tried bending it back into place, which sort of works, but my phone constantly loses power because it doesnt align perfectly.
Is there a module I can swap out, and if so, a link to it. I can do a bit of soldering if absolutely required, but I'm hoping this is a plug and play part.
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Click to collapse
Sent from my Nexus S or Vibrant using XDA Premium

[Q] Stuck charging? - Hardware, yeah?

I've already googled and found that it seems like this problem happens to galaxy nexus owners often so...
I noticed yesterday morning that my phone would think it was still charging despite being unplugged. Looking into the battery stats it could tell when it was or wasn't.
My suspicion is that my use of an old micro usb cable (plastic housing was kind of chipped off) led to it wiggling more than normal, and something got messed up within the micro usb port of my gnex.
It still charges fine. I went on to update to 4.2.1 (dirty flash I guess?); upon booting up it would flip back from charging and not charging for a little bit, then go back to charging.
I think I was able to get my phone to light up and say it was charging while off as well, so I'm pretty damn sure it's hardware...
My issue is that I'm still within a year of my warranty, but I've already rooted and unlocked, and am not 100% familiar with reverting and back anymore... I haven't tried contacting Samsung either.
I think I could live with it being stuck charging, as long as it still charged. It just seems like it has problems reading on whether or not it is or isn't, not being able to charge.
Should I try to seek a warranty fix? What's my best option at this point?
Thanks!
look in your usb port, make sure that none of the fingers are slightly bent touching each other. ive found thats the most common cause of the phone showing that its charging when its not.
simms22 said:
look in your usb port, make sure that none of the fingers are slightly bent touching each other. ive found thats the most common cause of the phone showing that its charging when its not.
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Click to collapse
I think something may be touching, but I've never looked before so I'm not sure if it wasn't like that to begin with. I'm going to try taking a picture of it tonight when I get off work, but I don't suppose you could explain to me what the fingers are? I tried googling briefly but didn't find anything.
IF you haven't fixed this, try a toothbrush with some rubbing alcohol on it. I had the same problem, and it solved my problem. I imaging some dirt was just shorting a connector.
I had this issue happen to me before. I decided to send it into Samsung for service. I thought it was hardware and I would be dome with it well it is now 3 months later and its doing the exact same thing again, so at this point I know it isn't software, ROM, kernel. I did all that troubleshooting the first time around.
Anybody else had this problem return after being repaired? Is it more than just the micro USB port? I am going to try the tooth brush thing when I get home though. I don't see any pins bent but I will look closer
Sent from my Galaxy Nexus using xda premium
So I got a toothbrush and alcohol and will be testing that out tonite. I also bought some canned air. Anybody else chime in on what to try? I really don't wanna send it in AGAIN
Sent from my Galaxy Nexus using xda premium
Just dip a qtip in the rubbing alcohol and dab it on the port or dip the toothbrush I'm the alcohol and then shake it out. You don't want to soak in the connector just enough to help remove any contaminants.
Sent from my Galaxy Nexus using xda app-developers app
Worked really good xD... At first didn't seem to work, but after charging it and disconnecting the charger the icon disappeared ... That was a couple days ago and so far so good.
Thanks a lot xD
Sent from my Galaxy Nexus using xda app-developers app

Htc one x connection problem

I just got my HTC One X battery replaced recently with a new HTC One X+ battery. Long short story, now the phone is unchargeable via computer or power socket, the storage doesn't connect to the computer when plugged in but usb fastboot still works for some reason. All of these problems instantly solved once I remove the white plastic cover, but of course I can't keep it like that. Any idea how to deal with this? Thanks in advance,
Could it be that the power button is misaligned so that it is permanently pressed when the cover is on? Or is the battery connection to the pcb coming apart when the cover is on - has the copper foil bunched up pulling the connection away when it's compressed?
Sent from my HTC One X using XDA Free mobile app
Swell6 said:
Could it be that the power button is misaligned so that it is permanently pressed when the cover is on? Or is the battery connection to the pcb coming apart when the cover is on - has the copper foil bunched up pulling the connection away when it's compressed?
Sent from my HTC One X using XDA Free mobile app
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Thanks for taking your time answering me. The power button isn't the problem, I've had it misaligned once and I couldn't put the white cover back properly so I knew if it's misaligned. About the battery connection coming apart, I don't if that's the case but if that's the case then how do I solve it?
Welp, problem solved by taking the phone to a local phone repair store. It turned out that some kind of hidden wire related to the charging function got stretched every time the white cover is on, which made the phone unable to charge, or so my repairer said.
Glad you got it sorted.
Sent from my HTC One X using XDA Free mobile app

Screen Rotation Not Working

I was having this problem before a little and I would just do a simple reboot. However, this morning my clumsy niece dropped my tablet on the floor Now the rotation is not working at all.
I've seen videos which lead me to believe that the issue is due to a loose ME571k cable. I have tried fastening it. I inadvertently took it out and reconnected it. I've tried to fasten it the best I can. The touch screen works. However, orientation is dead.
There was a program mentioned called "Test My Android" and none of the sensor calibrators show any sign of life.
This is driving me crazy. I don't know what to do. Maybe it is loose and I just have to keep on messing with it but it's stressful.
Any advice?
ev1lchris said:
Maybe it is loose...
Click to expand...
Click to collapse
Yes it is - for sure. The 'rotation' sensor is a tiny chip which is unlikely to be damaged by a drop.
re-seat the cable on both ends
spray the contacts of the cable with Electronic Cleaner if possible
apply a layer of thick tape over the cable's motherboard connector, so the back cover will deliver extra pressure on it
Let us know...
Hello, I followed the steps of next video and my screen rotation has fixed
https://youtu.be/cOnccu6Nbl0
Hope it helps you!
Sent from my Nexus 7 using Tapatalk
It seems no matter how many times or how snugly I set the cable in that the screen rotation still does not work.
I'm using an app for rotation now. It works but it drives me crazy.

New and old screen wont work after botched repair

So I tried to replace my pixel 2 xl screen, I had the phone off and was dissassbmling it. I broke the already old broken screen, and accidentally turned the phone on. Since I couldnt use the screen to touch the turn off button, I left it on and swapped the screen out. Now neither the new or old, known working screen displays on my pixel 2 xl. There isnt any obvious damage to any of the connectors in the phone, what can I try to fix this? I was trying to get to fastboot (dev mode is turned on), but I cant see the screen so I cant really do that.
Any ideas? If worse comes to worse I just want to wipe it so I can sell the chassis on. It still works, the alarm went off this morning when it should have!
tomascivinod said:
So I tried to replace my pixel 2 xl screen, I had the phone off and was dissassbmling it. I broke the already old broken screen, and accidentally turned the phone on. Since I couldnt use the screen to touch the turn off button, I left it on and swapped the screen out. Now neither the new or old, known working screen displays on my pixel 2 xl. There isnt any obvious damage to any of the connectors in the phone, what can I try to fix this? I was trying to get to fastboot (dev mode is turned on), but I cant see the screen so I cant really do that.
Any ideas? If worse comes to worse I just want to wipe it so I can sell the chassis on. It still works, the alarm went off this morning when it should have!
Click to expand...
Click to collapse
If your still able to get to the board unclip the screen and battery clean connectors with some rubbing alcohol let dry a few seconds and reconnect the battery the phone should then be off and reconnect the oled panel. before reassembling the phone power on the phone make sure the screen lights up and you have touch activity. Once everything has been tested and working then reassemble. Always test your replacement parts if possible before assembling the device 100%.
Sent from my [device_name] using XDA-Developers Legacy app
666syco said:
If your still able to get to the board unclip the screen and battery clean connectors with some rubbing alcohol let dry a few seconds and reconnect the battery the phone should then be off and reconnect the oled panel. before reassembling the phone power on the phone make sure the screen lights up and you have touch activity. Once everything has been tested and working then reassemble. Always test your replacement parts if possible before assembling the device 100%.
Sent from my [device_name] using XDA-Developers Legacy app
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I swapped with rubbing alcohol on the end of a cotton tip and tried the steps you said, still no screen activity. Any more ideas?
You said the broken screen doesn't light up anymore? If it at least lights then try to clip that one back in for a test light. I haven't had my pixel apart yet but I like doing phone repair. it is possible that the replacement part is defective? Also try unplugging the screen and battery again plug the screen in 1st and then the battery if there was any copper or silver contact tape covering anything place it back we're it was. Don't power on this time try plugging the phone in and see if it wakes the device!. And also check over all connectors and contacts make sure every thing is clipped in and touching.
Sent from my [device_name] using XDA-Developers Legacy app
666syco said:
You said the broken screen doesn't light up anymore? If it at least lights then try to clip that one back in for a test light. I haven't had my pixel apart yet but I like doing phone repair. it is possible that the replacement part is defective? Also try unplugging the screen and battery again plug the screen in 1st and then the battery if there was any copper or silver contact tape covering anything place it back we're it was. Don't power on this time try plugging the phone in and see if it wakes the device!. And also check over all connectors and contacts make sure every thing is clipped in and touching.
Sent from my [device_name] using XDA-Developers Legacy app
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Neither display will light. I've tried the power thing you mentioned, wouldn't turn on at all without the battery!

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