[Completed] HTC One M8 stuck in bootloop - XDA Assist

Hi Everyone.
Firstly let me thank all the android tech support people in this forum, giving the great advice for the noobs like myself.
My problem
I recently Factory reset my HTC One M8 and now its stuck in a boot loop. when i power the phone on it hangs on the HTC logo screen. When the phone is on the power button does nothing when pressed on its own. Sometime if I do a hard reset by pressing vol+ and power it goes past the logo screen to android is starting, optimizing app but once it runs through all the apps it hangs on android is starting, starting apps.
Things I have tried.
loading bootloader using vol- and power, doesn't work
Hard resetting using vol+ and power, turns phone off but again hangs on logo screen, sometimes optimizes apps but hangs there.
Connecting to computer and running ADB, ADB doesn't find phone due to not being able to put phone into debugging mode.
Entering fastboot mode using power on then when phone loads quickly pressing vol- and single pressing power, doesn't work
hard resetting and when phone goes black, trying to enter recovery mode by pressing vol- and power, doesn't work
anyone with any ideas?
any advice would be greatly appreciated.

Hello,
you asked here:
HTC one M8 stuck in bootloop
No need to keep this thread open.
Thread closed.
Kind regards
Trafalgar Square
XDA Assist

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Hello
Welcome to XDA Assist .
I have listed threads with problem similar to yours. You can checkout the solutions
http://forum.xda-developers.com/galaxy-tab-s/help/help-brink-tablet-t3038985
http://forum.xda-developers.com/galaxy-tab-s/help/stuck-boot-advice-t3012733
http://forum.xda-developers.com/galaxy-tab-s/help/brick-sm-t705-t2908796
If you have further issues then please sign up on forums and post in Tab S Q/A section
http://forum.xda-developers.com/galaxy-tab-s/help
Have a good day !

Stuck on boot screen

Hello,
i am new here on forum. I read alot threads about unbrick TF300T on this forum, but cant find answer for my problem.
My tablet is unlocked, rooted and had TWRP installed. When i try to use TWRP my tablet restarted and now i am stuck on boot screen.
Its screen with asus and nvidia logo with information that device is unlocked.
When i try connect tablet to pc, pc dont see it.
Power + Volume- dont work, no boot options - tried like 50 times
Power + Volume+ dont work, i think its for APX mode
Tried restart with restart hole under volume buttons.
I cant go to other screen just that one with logo. Even cant tablet shut down. When i press and hold power button it just restart and logo screen again.
Any ideas how to make it work again, or its completly broken?
Ty for your answers.

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Possible power button problem?
You were almost in recovery: press the Power button to select Recovery Mode.
– after that you will see an Android robot tilted and showing a red warning sign. Now, you need to press and hold POWER, and then press the Volume Up button once.
It definitely could be a power button issue. I would try factory reset from recovery since it wouldn't make things worse.
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Try Fastboot boot recovery.img to load recovery on phone
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gyurix said:
Hello,
I have tried to root my tablet and I have failed it and now it looks like I have even broken the bootloader, so if I press the power and the volume-up button then nothing happens. When I start the tablet with pressing just the power button, then an automatic restarting loop begins (I see intel logo, asus logo and the broken android logo and after that the tablet restarts and the same happens again). Is there anything what I can do or is my tablet totally broken now?
Click to expand...
Click to collapse
Hi gyurix
Thank you for using XDA Assist
As we do not have an specific forum dedicated to your device yet, our experts at the below forum should be able to help you. Please be welcome to ask in there.
Android Q&A, Help & Troubleshooting
Nice regards and good luck.
.

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