My macbook pro has problems booting, no keyboard or mouse working ok.

Hi everyone, today i was using my Macbook pro Mid '10 so i turned it off, when i turned it on again i forgot to boot from the SL installation Disc to repair the disc permissions and so because i was experiencing some trouble with the new OS 10.7.1. So i turned it on and i forgot to boot from the Disc so i interrupted the boot and restarted, for my surprise it took longer than it should and when the SL Disc language screen popped, i could move my mouse, yet i couldn't click it or use the keyboard (as it didn't existed), naturally, i turned it off and tried to boot from Lion partition as i always did (since a month ago or so), but it couldn't boot, the apple logo in the white screen with a little spining circle keep showing for a lot of time, even my macbook pro overheats. Sometimes it does boot from the HDD but i can't get my mouse to click or my keybord to type . I can't reset the PRAM or boot in safe mode because i have Firmware password (which i know) but i can't disable it because i can't boot nor from my HDD or the Installation Disc. What can I do ? At the first i though it was the OS, but now i think is the EFI. Should I restore the firmware?. I live in Mexico in a place where there's no Apple Store or Support Center, only stores such as Sears and that.

Now i realized that mouse and keyboard can work but only after letting the computer a while after the slow load... I still can't remove the firmware password :/.

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