Default [Q] Desire HD would't turn on, black screen, not recognized by PC

I was flashing a radio.img - [GUIDE] http://forum.xda-developers.com/showthread.php?t=896597
and when i type in adb reboot bootloader on cmd
then the phone went blacki waited for 4-8 mins phone is still black screen nothing is showing up
when i got home i took off the battery, put it back and plug in to my computer and it was charging, orange light when i unplug the charger the light is still on and it won turn off. i tryed going to recovery mode and didn't work.

can this problem can be fixed?