Originally Posted by andason
Thanks for your reply. Seems the power + volume is not be recognized. Is there a way with fastboot or adb?
Otherwise, I guess I wait until power drain.
Power + Volume Up should work. But as you asked for adb/fastboot
1) "adb devices" to check if device is recognized
2) "abd reboot bootloader" so the phone reboots into bootloader
3) go to recovery and try a reflash
Mobile: One M8 Gunmetal: UNLOCK - S-OFF (SunShine) - WWE
CID: HTC__001 (T-MOB101)
FW: 2.22.401.5 (18.104.22.168)
ROM: Stock - SuperSU
Retired: Desire (CWM, Cyanogen), Sensation (Unlocked, S-On, CWM, root), One X (Unlocked, TWRP, Cyanogen), One (M7) (firewater S-Off, TWRP, ViperOne), Moto G (Unlocked, S-On, CWM, CM11), One (M8) GER Silver (SunShine S-Off, TWRP, ViperOne 2.2.0).