Why is my HTC M8 no longer running any more?

[AC Question]

my htc m8 is not running any more

try to restore the factory data and now the phone doesnt working anymore

 

[dty06]

Re: my htc m8 is not running any more

We're gonna need more info than that. What happens when you turn the phone on? Does it turn on? What carrier are you on? Have you rooted the phone? Have you added a custom recovery such as TWRP? Can you access the bootloader?