Root Help! My milestone's bootloader is died

[amdwii]

Dear all,
After my milestone is rooted, it can't go to bootloader mode. When it go to bootloader mode( power buttom + up in control pad) .it shows a black screen ( no any text display on the screen). Can anyone give me a suggestion. How can I fixed the bootloader. Thank you very much.

 

[Szadzik]

You are not supposed to hold the Vol up and power to goto bootloader. You are supposed to hold the camera key and power and later when the triangle appears press camera and Vol up.