Aragon thanks for your reply. Yes it was a second hard disk that i add, has my backup to first HDD.
And yes i put it as the slave on the primary IDE, the BIOS has no problem in recognition these second disk not even the OS. The weird problem is when i start the computer in normal procedure the OS doesn't load the controllers of the Boards outside the motherboard, this is the sound board, the USB ports, and the TV tuner. But if i start with the option F8 and i put it step by step with confirmation, then i got everything right. My no professional guess is the second option as a slow one, it knows where are the controllers and loads it, but i don't for sure, and even if this is correct its stil very weird...
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