Windows 7: Lost boot,lost partition, lost OS.

I have problem my laptop acer aspire one d2550 bios booting has been block by paragon boot manager 9, my OS windows7 starter 32bit original from inside hardrive non partisi or/unlocated space,, that paragon boot manager9 when i turn on notebook paragon block bios boot and give only one choice wrong identify operating system!,, and can't goto welcome dekstop.,

this problem even worst..i setup windows xp sp2 on drive d: and try repair with acer Factory eRecovery management from active xp drive c to windows7 program files and still can't...please help..

i try & i try...but
now hardrive partisi,mbr & windows7 original from unalocated drive is gone..but i have not yet format drive..