HTC M9 bootloader/download mode black screen, what can I do?

[AC Question]

htc m9 bootloader/download mode black screen

last night my phone was at 30% battery then it suddenly powered off. i charged it, turned it on this morning and it said:
hTC download mode
*** LOCKED ***
htc_himaulatt PVT S-ON
etc
someone help me with this i dont know how this happened or what i did

 

[dpham00]

Re: htc m9 bootloader/download mode black screen

Mod Note, I will move this to the m9 forum for more visibility