Boot loop, no screen after replacing screen - Moto X Q&A

SO i replaced my screen one week prior to today. I had accidentally broken the power button, but until i got a new one I plugged in the phone and the screen worked and showed the charging icon.
But now this weekend that Ive replaced the power button, all my phone does is vibrate then reboot, and vibrate, reboot, over and over.
Anyone know what I can do? There is nothing done to the phone software wise. 100% stock from factory.

Sounds like the power button is stuck. That's exactly what it will do if you hold the power button down constantly.

Darth said:
Sounds like the power button is stuck. That's exactly what it will do if you hold the power button down constantly.
Click to expand...
Click to collapse
It happens even with the power button disconnected, and even with that whole section of the ribbon cable disconnected from the board
anything I can do about that?

I'm no hardware guru... But something is obviously damaged or just not right.

Thanks for the help so far.
Anyone else know what may be the issue? I thought it might be that the battery was completely drained so i was contemplating buying another battery.

21q said:
Thanks for the help so far.
Anyone else know what may be the issue? I thought it might be that the battery was completely drained so i was contemplating buying another battery.
Click to expand...
Click to collapse
Did you ever figure out what was wrong with your Moto X? I just finished replacing the screen on one and it has the same symptoms (black screen, boot loop noted by repeated vibration).

PopeXXIII said:
Did you ever figure out what was wrong with your Moto X? I just finished replacing the screen on one and it has the same symptoms (black screen, boot loop noted by repeated vibration).
Click to expand...
Click to collapse
Yes!! It was the copper film that goes over the chip on the screens larger ribbion cable. It was causing a short. I removed and just placed electrical tape. Good as new.

21q said:
Yes!! It was the copper film that goes over the chip on the screens larger ribbion cable. It was causing a short. I removed and just placed electrical tape. Good as new.
Click to expand...
Click to collapse
Interesting. I'll have to check that out later tonight. I think I remember that copper foil looking a little mangled. It could very well be touching something it should not be. Thanks for the tip!

Related

Is my Kaiser dead?

Hi, recently my extUSB broke down, so I was unable to coonect anything. My friend changed the connector in proffesional way with IR gun. But now Kaiser won´t even boot up, no vibration on startup, only green LED is lit up.
I bought D2, but I am curious if there is any way to fix it.
Thanks in advance
What does your friend say?
What happens if, while holding down the camera button (on the same side as the power button but further down), you press the power button to power it on - do you get a stripy screen? If you do, you can poke the stylus into the reset hole to reset the device out of the bootloader screen. What did the friend have to say about it - personally I'd much rather have a TyTN II which boots and works fine except for a broken USB port (I presume it was working fine before the 'repair'), than one with a shiny new port that won't work at all.
Nothing happens it looks like it is absoluttely dead.
The USB port was faulty, that was reason, why I let it change.
Well, it is strange, but actually I am very satisfied with with D2, even more than with Kaiser...
Well I suppose you could always get an expert to look at it but if its motherboard is damaged (or there's other hardware damage), it may be more expensive to repair than it's worth. You could see what your local HTC people have to say about it.
Flying Kiwi said:
Well I suppose you could always get an expert to look at it but if its motherboard is damaged (or there's other hardware damage), it may be more expensive to repair than it's worth. You could see what your local HTC people have to say about it.
Click to expand...
Click to collapse
Or you could sell it in the market section, plenty of people that would like to get a crack at fixing it or use it for parts.
Hi, I just encountered the very same issue. I know I'm ressurecting a very old thread, but I rather do this than creating a new one
I flashed my Kaiser with Android about two months back. Everything was quite stable, no hardware issues. Suddenly, it won't turn on.
When I plug a charger in the extUSB, the orange LED won't show up. And if I try to turn on the phone, the green LED shows up and stays solid. However, the short familiar vibration isn't there and also the screen remains black. Nothing was wrong with the USB port. I tried multiple chargers...
janys said:
Hi, I just encountered the very same issue. I know I'm ressurecting a very old thread, but I rather do this than creating a new one
I flashed my Kaiser with Android about two months back. Everything was quite stable, no hardware issues. Suddenly, it won't turn on.
When I plug a charger in the extUSB, the orange LED won't show up. And if I try to turn on the phone, the green LED shows up and stays solid. However, the short familiar vibration isn't there and also the screen remains black. Nothing was wrong with the USB port. I tried multiple chargers...
Click to expand...
Click to collapse
Have you tried to reflash or hard reset?. Also maybe your battery is gone..try another one.
Some things to try
janys said:
When I plug a charger in the extUSB, the orange LED won't show up. And if I try to turn on the phone, the green LED shows up and stays solid. However, the short familiar vibration isn't there and also the screen remains black.
Click to expand...
Click to collapse
I realise you cant flash if it's not booting but if your battery has sufficient charge remaining (won't work if it's flat) it'd be worth trying a hard reset using the D pad key + stylus in the hole method (can be done at switch on time without needing a full boot).
Nothing was wrong with the USB port. I tried multiple chargers...
Click to expand...
Click to collapse
How do you know that a fault hasn't now developed with it - I wouldn't rule that out at this stage. Have you tried a known good battery that is fully charged in the phone also is it the original charger you are trying (not all chargers with the same plug are compatible)? Are you able to get the bootloader screen to show and if so, what does it display?
Flying Kiwi said:
I realise you cant flash if it's not booting but if your battery has sufficient charge remaining (won't work if it's flat) it'd be worth trying a hard reset using the D pad key + stylus in the hole method (can be done at switch on time without needing a full boot).
How do you know that a fault hasn't now developed with it - I wouldn't rule that out at this stage. Have you tried a known good battery that is fully charged in the phone also is it the original charger you are trying (not all chargers with the same plug are compatible)? Are you able to get the bootloader screen to show and if so, what does it display?
Click to expand...
Click to collapse
No bootloader, no nothing - just black screen (there's not even a hint of backlight). I'll try a different battery today.
I tried using my old AC charger, my colleague's AC charger (for TouchPRO2), USB cable... the orange LED still doesn't come up.
What's the hardreset using Dpad key? I tried holding the power button + camera and also holding the two "context" keys (above explorer and messages buttons) and touching the reset button with the stylus.
I'll see whether a different battery will do the trick.
Thanks a lot for all your suggestions, guys! Much appreciated!
janys said:
No bootloader, no nothing - just black screen (there's not even a hint of backlight).
Click to expand...
Click to collapse
What's the hardreset using Dpad key? I tried holding the power button + camera and also holding the two "context" keys (above explorer and messages buttons) and touching the reset button with the stylus.
I'll see whether a different battery will do the trick.
Click to expand...
Click to collapse
The context key one you mentioned is what I refer to as a D Pad hard reset. The one where you press the power button while already holding down the camera button is how to get into the boot loader - it's all explained in the Kaiser wiki. Sounds like another battery is definitely worth a shot - especially if you only have one (I have 3 for my Kaiser and on some days with heavy GPS use, I need all of them). What happened between it working and not working - what were you installing or doing with it?
Flying Kiwi said:
The context key one you mentioned is what I refer to as a D Pad hard reset. The one where you press the power button while already holding down the camera button is how to get into the boot loader - it's all explained in the Kaiser wiki. Sounds like another battery is definitely worth a shot - especially if you only have one (I have 3 for my Kaiser and on some days with heavy GPS use, I need all of them). What happened between it working and not working - what were you installing or doing with it?
Click to expand...
Click to collapse
I tried another (fully charged) battery from my gf's Kaiser today. No change. When I press the power button, the green LED shows up and stays solid (no blinking/flashing). Screen is black, no short vibration. I tried all sorts of hardresets and also tried to get into the bootloader. No luck.
Also, I took my multimeter and measured voltages on the charger, the battery and the pins in the phone where battery resides. Everything seemed to give a correct voltage. So it's really not a power issue
Thanks for all your help, but I'm afraid I have a total brick in my hand.
My Kaiser
Hi I have a HTC Kaiser I bought the first week it came out and it was f=ine for quite a while but 6 months ago it stopped working. It'll go to bootloader but won't flash. When trying to turn it on it'll go and just get stuck on the splash screen. I figured it was a battery because I'm very hard on my phones but I just got a replacement battery last week and all 3 of my batteries act the same way. I may have been trying to flsh went it went down it was a few months ago so I can't remember.
--- Other things to note
My Kaiser got wet and I had to have the usb port replaced and the dpad replaced. The usb acts fine but the middle dpad button does not work
The charging light will stay orange or green after I unplug the charger
After reading for the last week I think its either bricked or maybe has a bad hardspl on it?!?
Thanks in Advance for any help you guys may give.
jaygriggs said:
My Kaiser got wet and I had to have the usb port replaced and the dpad replaced. The usb acts fine but the middle dpad button does not work
The charging light will stay orange or green after I unplug the charger
After reading for the last week I think its either bricked or maybe has a bad hardspl on it?!?
Click to expand...
Click to collapse
Time for it to visit the same phone repair shop (or HTC) again for an assesment/possible repair if economically viable. If it's only recently got wet, you may be able to catch it before corrosion sets in and causes any damage but if it's not dryed out/cleaned quickly, the damage (from the resulting corrosion) will eventually show up (possibly in all the ways you've described).

Disassembled, and now the screen doesn't come on

Hey all
I disassembled my Touch Diamond to see if there was a bad solder on the mini usb (It would only charge if the cable was held in a certain way.)
I couldn't see anything wrong so I put it back together, but now the screen (The keys also dont light up) doesnt come on? But the phone seems to boot up fine, if I leave it for a while and I press the power button, it'll give me the sound to shut down.
I've also noticed if I press the volume keys, the screens lights up very slightly.
Any ideas?
I've disassembled and reassembled it a couple of times now, cant seem to find the fault.
Violater said:
Hey all
I disassembled my Touch Diamond to see if there was a bad solder on the mini usb (It would only charge if the cable was held in a certain way.)
I couldn't see anything wrong so I put it back together, but now the screen (The keys also dont light up) doesnt come on? But the phone seems to boot up fine, if I leave it for a while and I press the power button, it'll give me the sound to shut down.
I've also noticed if I press the volume keys, the screens lights up very slightly.
Any ideas?
I've disassembled and reassembled it a couple of times now, cant seem to find the fault.
Click to expand...
Click to collapse
OOPS!
Try inspecting the ribbon cable that connects the lcd screen and digitizer to the main board. You may have unhooked it somehow or possibly damaged it.
mr.horndoctor said:
OOPS!
Try inspecting the ribbon cable that connects the lcd screen and digitizer to the main board. You may have unhooked it somehow or possibly damaged it.
Click to expand...
Click to collapse
I've checked it, there doesnt seem to be any damage, and it appears to be connected correctly
Violater said:
I've checked it, there doesnt seem to be any damage, and it appears to be connected correctly
Click to expand...
Click to collapse
You said earlier that if you push the volume keys it will sometimes light up...that sounds like a grounding problem. Check and make sure something around the power button is not askew. Also, (and this may sound stupid but trust me on this) don't tighten the screws down too tight. It messes with the d-pad.
mr.horndoctor said:
You said earlier that if you push the volume keys it will sometimes light up...that sounds like a grounding problem. Check and make sure something around the power button is not askew. Also, (and this may sound stupid but trust me on this) don't tighten the screws down too tight. It messes with the d-pad.
Click to expand...
Click to collapse
Hey
Thanks again for taking the time again to reply.
Opened her up again a couple of time, still no luck.
I've tried various screws at different levels of tightness, still nothing.
I wish I knew what to tell you to try but I don't.
I guess take it in for repair so they can diagnose what the problem is.

[q] power button issue

HI, my friend spilled beer on my HTC One and i wiped it off after i found out. It wasn't turning on for a few hours but i eventually left it plugged in. After leaving it plugged in, it turned on. My issue is that its stuck in kind of a boot loop where i think that the HTC One's power button may have fried and it just thinks i am holding it down. Once when i finally got it to boot fully it kept locking the screen and asking if I wanted to power off. Any solutions? Thanks
jgarthwaite77 said:
HI, my friend spilled beer on my HTC One and i wiped it off after i found out. It wasn't turning on for a few hours but i eventually left it plugged in. After leaving it plugged in, it turned on. My issue is that its stuck in kind of a boot loop where i think that the HTC One's power button may have fried and it just thinks i am holding it down. Once when i finally got it to boot fully it kept locking the screen and asking if I wanted to power off. Any solutions? Thanks
Click to expand...
Click to collapse
since its an hardware issue, the phone probably must be opened and the damaged part replaced. I highly suggest you to send it for repair and not opening it yourself.
alray said:
since its an hardware issue, the phone probably must be opened and the damaged part replaced. I highly suggest you to send it for repair and not opening it yourself.
Click to expand...
Click to collapse
Is it possible to disable the power button so i could use other ways of powering it on
jgarthwaite77 said:
Is it possible to disable the power button so i could use other ways of powering it on
Click to expand...
Click to collapse
no
jgarthwaite77 said:
HI, my friend spilled beer on my HTC One and i wiped it off after i found out. It wasn't turning on for a few hours but i eventually left it plugged in. After leaving it plugged in, it turned on. My issue is that its stuck in kind of a boot loop where i think that the HTC One's power button may have fried and it just thinks i am holding it down. Once when i finally got it to boot fully it kept locking the screen and asking if I wanted to power off. Any solutions? Thanks
Click to expand...
Click to collapse
Try to keep it shut down in rice for a day or two, if it's only moisture.
If not, as Alray said, off to the repair store...

My Galaxy Tab S2 8.0 t715 unexpectedly shut off and is not turning on.......

Hi so i am having this problem this major problem currently with my Tab s2 (T-715)....
so i just went out last night and when i came back my tablet was off.
itried turning it on thinking that it ran out of battery.
i tries charging it but nothing happens and the device gets extremely hot near the home button.
its been a month since i had this tab..
it does not go in to download mode.
or recovery...
if anyone else had/has this issue plz help...........
Hold POWER +VOL DOWN until it reboots.
ashyx said:
Hold POWER +VOL DOWN until it reboots.
Click to expand...
Click to collapse
I tried holding the power+vol down buttons for 15 secs but it still does'nt work.....
no good news, mine first t715 also died like this. i hope I was wrong but...
Take it in for warranty m8
Might be worth waiting for the battery to completely drain and then try and turn it on after getting some charge in it.
I've had problems recently, after using OTG, the tab's display will just turn off, and when I mean off, it's just the screen, the tab is actually still on, as you can feel the heptic feedback, the only way is to force reset using the power volume and home key.
Another problem, still recently, I had about 12% power, so I just connected the USB to charge the tab, the screen started to flicker and then nothing works, after 10 minutes reconnected the power, and it started to charge up from 0%, it seems like the tab has gone haywire, I had decided to trade it in the next few days for the xperia X performance.
Not even bothered to take it to samsung service center (still under warranty), I can't stand their customer service, my tab has been through a repair before, my home key died and it kept on grabbing the side of the hole and sticking down, they replaced the part, but left something inside causing a lump at the back, problem sorted out, but the buttom kept on grabbing the side of the hole and not coming out if you press it slightly on one side, I even showed them the problem, and they agreed, and they say that a normal person won't press the button like that, and it's normal, I did mention that I have tried a few units and does not have the same problems, they just said it's normal, so I said to them if this is normal what isn't normal, and do they tell all there customers if they have a problem that its normal.
So I am completely sick of there BS, trying to keep away from samsung stuff.
kms108 said:
I've had problems recently, after using OTG, the tab's display will just turn off, and when I mean off, it's just the screen, the tab is actually still on, as you can feel the heptic feedback, the only way is to force reset using the power volume and home key.
Another problem, still recently, I had about 12% power, so I just connected the USB to charge the tab, the screen started to flicker and then nothing works, after 10 minutes reconnected the power, and it started to charge up from 0%, it seems like the tab has gone haywire, I had decided to trade it in the next few days for the xperia X performance.
Not even bothered to take it to samsung service center (still under warranty), I can't stand their customer service, my tab has been through a repair before, my home key died and it kept on grabbing the side of the hole and sticking down, they replaced the part, but left something inside causing a lump at the back, problem sorted out, but the buttom kept on grabbing the side of the hole and not coming out if you press it slightly on one side, I even showed them the problem, and they agreed, and they say that a normal person won't press the button like that, and it's normal, I did mention that I have tried a few units and does not have the same problems, they just said it's normal, so I said to them if this is normal what isn't normal, and do they tell all there customers if they have a problem that its normal.
So I am completely sick of there BS, trying to keep away from samsung stuff.
Click to expand...
Click to collapse
Thank you so much for mentioning the otg issue.....
now that i remember i was trying to use my otg cable and it was not detected.
i tested the otg cable on another samsung tablet and it was working fine........
Anyways i did speak with my local seller to claim the warranty....
it will be back after 12-14 days
kms108 said:
I've had problems recently, after using OTG, the tab's display will just turn off, and when I mean off, it's just the screen, the tab is actually still on, as you can feel the heptic feedback, the only way is to force reset using the power volume and home key.
Another problem, still recently, I had about 12% power, so I just connected the USB to charge the tab, the screen started to flicker and then nothing works, after 10 minutes reconnected the power, and it started to charge up from 0%, it seems like the tab has gone haywire, I had decided to trade it in the next few days for the xperia X performance.
Not even bothered to take it to samsung service center (still under warranty), I can't stand their customer service, my tab has been through a repair before, my home key died and it kept on grabbing the side of the hole and sticking down, they replaced the part, but left something inside causing a lump at the back, problem sorted out, but the buttom kept on grabbing the side of the hole and not coming out if you press it slightly on one side, I even showed them the problem, and they agreed, and they say that a normal person won't press the button like that, and it's normal, I did mention that I have tried a few units and does not have the same problems, they just said it's normal, so I said to them if this is normal what isn't normal, and do they tell all there customers if they have a problem that its normal.
So I am completely sick of there BS, trying to keep away from samsung stuff.
Click to expand...
Click to collapse
This may help:
http://forum.xda-developers.com/tab-s2/help/battery-life-charging-issues-t3221902/page2
acornkenya said:
This may help:
http://forum.xda-developers.com/tab-s2/help/battery-life-charging-issues-t3221902/page2
Click to expand...
Click to collapse
Got rid of it, it should be a problem internally, anyway I've traded it for a Sony Xperia X performance.
Mine also died few days ago. I tried to charge it with different chargers and cables but without any success. POWER +VOL DOWN is not rebooting the tablet.
Now I am planning to open the back cover and will try to disconnect the battery. I believe it will help.
jaycellent said:
Mine also died few days ago. I tried to charge it with different chargers and cables but without any success. POWER +VOL DOWN is not rebooting the tablet.
Now I am planning to open the back cover and will try to disconnect the battery. I believe it will help.
Click to expand...
Click to collapse
Did that work?
acornkenya said:
Did that work?
Click to expand...
Click to collapse
I am sorry, I did not have enough time for that in the last days. I will do that probably later today and will share the result.
jaycellent said:
I am sorry, I did not have enough time for that in the last days. I will do that probably later today and will share the result.
Click to expand...
Click to collapse
acornkenya said:
Did that work?
Click to expand...
Click to collapse
Unfortunately, no. It didn't work. I removed the back cover and managed to disconnect the battery. I left it disconnected for few hours, then I put everything back together. After, I tried to charge it and power it on again but without any success.
Any advice and suggestions would be highly appreciated.
jaycellent said:
Unfortunately, no. It didn't work. I removed the back cover and managed to disconnect the battery. I left it disconnected for few hours, then I put everything back together. After, I tried to charge it and power it on again but without any success.
Any advice and suggestions would be highly appreciated.
Click to expand...
Click to collapse
Do you see the charging animation?
ashyx said:
Do you see the charging animation?
Click to expand...
Click to collapse
No, nothing. Thank you for asking.
Is there a reset button inside the sim/sd card opening? My sonys have this.
Hanger4life said:
Is there a reset button inside the sim/sd card opening? My sonys have this.
Click to expand...
Click to collapse
Samsungs use POWER + VOL DOWN
OK so i returned it to samsund samsung and after 3 weeks the called me up saying that my tab had a manufacturing defect and that it cannot be repaired
and they offered me a fulll refund.......
iam literally DONE with SAMSUNG!!!!!!!
DarkAssassin2k5 said:
OK so i returned it to samsund samsung and after 3 weeks the called me up saying that my tab had a manufacturing defect and that it cannot be repaired
and they offered me a fulll refund.......
iam literally DONE with SAMSUNG!!!!!!!
Click to expand...
Click to collapse
They offer a full refund and you're 'done'.
How does that work? [emoji53]

All buttons are broken, cannot power on and cannot bypass the charging screen, HELP!!

Okay so long story short, I accidentally ripped off the entire button strip from the motherboard while I was replacing my LCD (well there goes my money) so I cannot press any buttons. And consequently I can't power on the device.
The only way to turn it on now is to charge the device, but then the charging screen pops up with a button in Chinese. No biggie, right? WRONG!
For some reason that button on the charging screen cannot be pressed, so I don't even think the touch screen is enabled.
And I tried ADB while on the charging screen but to no avail.
Can anyone here tell me any other possible solutions to this, or did I pretty much just FUBAR'd my K3 Note?
NeonHD said:
Okay so long story short, I accidentally ripped off the entire button strip from the motherboard while I was replacing my LCD (well there goes my money) so I cannot press any buttons. And consequently I can't power on the device.
The only way to turn it on now is to charge the device, but then the charging screen pops up with a button in Chinese. No biggie, right? WRONG!
For some reason that button on the charging screen cannot be pressed, so I don't even think the touch screen is enabled.
And I tried ADB while on the charging screen but to no avail.
Can anyone here tell me any other possible solutions to this, or did I pretty much just FUBAR'd my K3 Note?
Click to expand...
Click to collapse
Sorry but you are pretty much done .
Have you broken the buttons? D'you still need any help? I mean it's been so long, you might have already fixed it.
SGoraiCS said:
Have you broken the buttons? D'you still need any help? I mean it's been so long, you might have already fixed it.
Click to expand...
Click to collapse
Yeah I eventually got myself a button strip replacement from Aliexpress, and I soldered it on which took so many trial and errors until I finally got it working. With regards to the whole phone itself, it's still not functional as the LCD is damaged. I have another replacement LCD but the stupid thing came with some "quirks" that needed to be fixed with a dremel tool, but due to my laziness and the fact that I don't have a dremel tool, I just forgot about it.

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