Desire HD won't turn on
yesterday I tried to recover the original ROM for Desire HD. During the process in bootloader, my phone shutdown, and I can't turn it on now, even the bootloader wont run. I think my battery was too low, even tought the phone showed 99% (it happened before, even though the battery was almost dead), and it died during the update. Basically, I'm not able to access any feature right now, I'm not sure, if the phone is charging - when I plug it in, the orange light turns on, but when I unplug, the light stays on. Bootloader won't start, but when I press both volume buttons and power button, the phone vibrates 3 times, green light turns on, and thats all.
If you need more info, please ask.
Any help is appreciated, thank you.