strange behavior on power button / volume buttons - Desire Q&A, Help & Troubleshooting

hello,
my HTC desire hanged up on a MIUI Rom some days ago. Since then i have got really wierd behavior on the power button / volume keys. let me try to descripe:
at the hboot menu: the power & volume bottons doesnt work
booted up rom: volume keys working / power button doesnt work ( cant turn off my screen)
phone off: after putting in the the battery the phone turning on automaticly
I tried to flash another rom / recovery / RUU. nothing helped. Have someone any idea what i can do ? thank you

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help...
Menu, Serch, Volume Down,Volume Up button not working.
All other keys are working fine.
in Fastboot/hboot volume up not working All other keys are working fine.
In recovery trackbal,back button,power working but volume,menu,home,search
button not working??
whether this software or hardware problems
Did you flash a radio or something else before that problem occured?
No, before my htc stuck in safe mode then i tray to hold trackbal button +home + power button n success but menu,search,volume up down not working..

[Q] Volume up button not working

Hi.
I've been experiencing an issue with the volume up button.
When my Nexux 7 2013 boots android 4.3 and I pass the unlock screen, volume control is shown raising by itself (like I was pressing it, but i'm not pressing it), without touch the volume button. It only stop when I press volume down button. When volume up is pressed it does nothing.
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[Q] How to enter recovery other than power and volume down button

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Pull battery out then back in then press and hold back button + power
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My HTC Desire 820 dual sim in start loop

Hi guys,
It started when I was charging my phone. It suddenly started restarting. It will be stuck in the HTC logo white screen and not proceeding further and again restarting.
I have seen many posts in this forum and tried downloading stock ram.
I have copied it in my memory card.
while restarting if I press volume down, it will go to Hboot menu. There it is showing software status OFFICIAL and LOCKED.
I tried selecting recovery mode, but instead of showing recovery menu it is again going to the looop.
I even tried doing a FACTORY RESET. But even it is going to the loop.
Please help me guys to get out of it.
1. Tighten the 2 buttons the volume + button on the 2. Connect the phone to your computer hold the volume + button 2 power button and when the black screen button to hold the volume- and the power button to enter bootloader mode

HTC Desire 820n one sim restarts continuously - stuck in boot logo, loop, help me plz

I have been using my HTC Desire 820 for the past 2 years. It was updated to Marshmallow two months back.
All of a sudden my phone had a restart. Ever since, it turns on - gets stuck in the logo - restarts. This has been happening in a loop.
Totally stuck with the problem.
Thanks
I'm no expert but...
Have you tried plugging in the charger? Forcefully turning off the device (long press the power button until screen is totally off)?
Do you imply that the software is official (updated over OTA from the settings), or did you mess with the device? (install custom ROM/recovery etc.)
After turning it off, maybe try to turn it on by pressing both the power button and volume down, until it goes into HBOOT menu (example image https: //forums .androidcentral.com/attachments/htc-one-m8/144676d1414689464t-htc-one-tampered-locked-security-warning-imag2693.jpg - delete the spaces). From here, you may try to access the recovery (navigate with volume buttons), and after entering recovery hold down power and volume down buttons for about 5-10 seconds, release, and you should see a menu. You may try to clear the cache.
Alternatively, if you are willing to lose the data on your phone, you can do a factory reset from hboot.
Hope this helps.
maestrulwro said:
I'm no expert but...
Have you tried plugging in the charger? Forcefully turning off the device (long press the power button until screen is totally off)?
Do you imply that the software is official (updated over OTA from the settings), or did you mess with the device? (install custom ROM/recovery etc.)
After turning it off, maybe try to turn it on by pressing both the power button and volume down, until it goes into HBOOT menu (example image https: //forums .androidcentral.com/attachments/htc-one-m8/144676d1414689464t-htc-one-tampered-locked-security-warning-imag2693.jpg - delete the spaces). From here, you may try to access the recovery (navigate with volume buttons), and after entering recovery hold down power and volume down buttons for about 5-10 seconds, release, and you should see a menu. You may try to clear the cache.
Alternatively, if you are willing to lose the data on your phone, you can do a factory reset from hboot.
Hope this helps.
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Thank you but it hasn't helped

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