Restore factory setting

Hello,
I use HP PAVILION dv2701tu NOTEBOOK PC. When i purchase this it comes with factory installed vista OS in a separate hdd partition. But when i create recovery disc, 1st disc burned successfully, in 2nd disc burning verification process not done. After that i accdently create prtition table by pmagic software. After that my hp hdd recovery portion deleted. At this time recovery dvd also not work. At this time hp not provided any extra recovery disc. at this time when i press F11 monitor shows BOOTMgr missing. PLeeeeeese help me
regards
shubhabrata roy