Default Problem with bootloader, Android and change rom.

Hello, I have a very big problem. I have Htc Kaiser. Keyboar not working in windows (when he still had) apart from d-pad (sometimes, but with times, but more often department into quite other way ) I flash Android (is a problem with colors).

I can't turn PDA in Bootloader mode. I press and hold camera key, soft reset , and sometimes turn on key. PDa turn in SMART MOBILITY text and i can't go back to Windows, or change te Android kernel. Please help me

Sorry for my english

PS. in android after press OK in left side the almost all keyboard working (no working: a, q , shift, fn0