Unbrick + put back to stock. - One (M9) Q&A, Help & Troubleshooting

I have an s-off htc one m9 Verizon, I tried putting it back to stock now it's stuck on the bootloader mode, if I choose download mode or recovery mode it just goes to a blue screen. Does anyone know how to easily fix this?
basically the same problem as this guy.
www(DOT)youtube.com/watch?v=bURu1Tm9ME8

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[Q] Non-functioning Volume buttons, Recovery Screen.

Hey all!
I have a question, I recently tried to flash the stable CyanogenMod 7 for Wildfire. The ROM flashed but when it was installing no dialogue came up, I decided to reboot my phone to see if it had worked. I discovered that the ROM had not actually installed because my phone stayed on the HTC boot logo forever. I even left it on before I went to sleep to see if it would eventually boot into the software but no, it was still on the boot logo when I woke up. The logical solution to this would be to boot into the recovery screen but there's a problem with that, I can't. In getting my screen replaced in the past the volume buttons have been broken and therefore I cannot select the recovery option on the bootloader screen :\ Would anyone be able to offer me an alternative to booting into the recovery screen as I currently have no way of fixing my phone and am beginning to get pissed off with the ZTE Racer I'm using as a replacement...
Any help would be much appreciated!!
Try installing a RUU of 2.1 and then see if your volume buttons work. If not then contact HTC for a repair.
You misunderstand my problem, I think. I can't run the RUU because there is literally no software on my phone right now so RUU won't even recognise that it is connected to the PC because I can only access the Bootloader screen but cannot select any options because of my non-functional volume buttons. I'm pretty sure I can't send it back to HTC because my warranty is voided by the fact that I've rooted the phone and failed to install custom firmware on it and therefore it has been modified, please tell me if I'm wrong but I'm really in a predicament here. If I'm wrong about having voided my warranty would I be right in thinking any repair would be free?
EDIT: I managed to fix my phone. Pretty much all I had to do was load the bootloader, select fastboot, plug it into my PC and using the correct RUU I managed to restore my phone to stock ROM Thanks for the help!!

[Q] Changed LCD Density and now bricked

Hey everyone, I have a T-Mobile M8, Unlocked, rooted, S-ON and I installed {4.4.4} AxxionKat~1.6.0 {Linaro} 9-13-14. Everything booted as normal, I restored all my apps, etc. I decided to change the DPI settings (which Ive done in numerous other ROMs in the past) to 460 from 480. I made the change, saved the build.prop, and restarted my phone. Instead of booting up and going to the boot animation, its getting hung up at the white HTC screen (where is says "this build is for developmental purposes only" Etc.) then it goes dark. Holding power does nothing. Holding power+vol down does nothing. Holding Power+Vol up will bring it to the white HTC screen again but then it just loops. Any ideas on how to get this thing back in recovery so I can restore a Nandroid? Thanks.
EDIT: Im good now. Back in recovery!
First of all, it's not bricked. If it was, you wouldn't be able to turn it on in the first place. You're thinking of a soft brick.
If you can get into the bootloader, you can just enter recovery (or boot custom) via ADB/fast boot
blazevxi said:
First of all, it's not bricked. If it was, you wouldn't be able to turn it on in the first place. You're thinking of a soft brick.
If you can get into the bootloader, you can just enter recovery (or boot custom) via ADB/fast boot
Click to expand...
Click to collapse
Soft bricked ya. Well I had it up and running and now I find myself in the same situation I was in on Tuesday. I cant get it into the bootloader in order to enter recovery mode. I hit PWR+VOL UP until the white HTC screen comes on, as soon as the screen goes dark I hold PWR+VOL DOWN which should bring me to the bootloader. The first time, this method worked like a charm. This time around it wont do anything. PWR+VOL UP will get me to the HTC screen but then once the screen goes dark PWR+VOL DOWN does nothing....

HTC One M9 sudden restart

Hi guys,
I have installed Viper Rom on my htc one m9 and all was good for a year, but today my phone sudden restart and blocked in bootloop. I tried to enter in recovery mode but it just stuck in bootloop. I tried to use fsatboot and adb but my phone is S-on and can't do anything. Can someone help me start my phone?
Can you get it into download or recovery mode?
Beamed in by telepathy.
No, in none of them. If I try to get into download mode says that "can't acces download mode" and in recovery mode it just restarts and get stuck in bootloop

HTC 10 boot loop

Tried so many things and read a lot of threads..
Battery just died and when I tried to start it up, just goes in boot loop.
Only place I can get into is the bootloader (white screen). Unlocked and S-on.
Have TWRP and rooted rom..
Won't go into download mode or recovery..
Anyone any ideas?
Possible to kinda make it 'stock' anyway to give it back into warranty?
Thank you..

HTC 10 Stuck in a Bootloop

My HTC 10 has bootloader on it, ran it perfectly. I tried to sell it on eBay, but the guy returned it because it is stuck in a bootloop right now. The bootloop goes like this: it boots, shows the attached message for a microsecond, and then restarts. What can I do?
The message that comes up very breifly https://imgur.com/a/o97Vp
Any help is welcome
After removing the SIM and SD card, try holding both volume buttons and the power button to boot it. This should at least get you into Download Mode. From here you should be able to RUU back to stock. Before you attempt RUU, you might want to relock the bootloader while in Download Mode using fastboot commands. I'm not 100% sure the last part is required, but that's what I did when I had a bootloop. Note that my device was S-ON.

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