yeah sure man remove the orginal OS cuz HP sucks when they fill it with JUNK SHIT like macafee and norton i found this page of ur laptop http://www.retrevo.com/search?q=HP+Compaq+515&rt=sp&modelid=23489403
and one more thing keep both win 7 ( 32 & 64 ) man cuz im already struggling with 64bit as alot of softwares wont run but ur CPU 100% 64 bit native support and if u need any help with ur Compaq drivers i can tell u how to get directly to the drivers page -- 9xx SOLDIERS SANS FRONTIERS
