if u how to format hdd then u should better do it & use the softwares as per ur taste because default preinstalled softwaes sucks.
mine came with
norton yeaah its really bulky.
hp always has all the drivers listed & ready to download for seperate laps & pcs.
just go to hp's site & search for ur model : hp dv5-**** **
u wil get all the specs, deatils, & drivers n utilities
or go here:
http://welcome.hp.com/country/us/en/...e.html#Support
now do a fresh install>install the drivers>install the softwares mostly required & used by u>install acronis true image n make backup>burn the backup in one dvd n make acronis bootable media on other dvd provided by hp (thats makes good use) so that next time u can intall all those stuffs quickly.