Default My Desire HD STUCK on htc log and in bootloader!!!!

Hi... I need help please!!!

I have Desire HD.. it stucks on htc logo screen.

I have tried to getinto hboot sceen. I can access to hboot screen but when I select recovery. It stucks on black screen!!!

When I select FastBoot -> Reboot (or Bootloader) it stuck on the same screen and do not reponse!

When I select Recovery, it go to htc logo screen then black screen and stuck on it!!!!

I have tried to connect to my phone via adb but it cann't be viewd in listed devices!!!


Help me please!!!!