hi, my name is angie and i am new at this. i have a very important question! well 2 weeks a go one guy from BESTBUY (GEEK SQUAD) is call to set up a networking in my house for a computer at home and a labtop he also install 2 softwares for one of my computers (at home)well he also have it to do a dignostic & repair for the one at home, but he didn’t because he ask me if i had a “recovery cd/dvd for my computer” i said, “no”. he said that thoses cd’s or dvd’s come with computer when you purchase it. i said i lost them. (i ask him to come in because when i was trying to play a cd it won’t let me, he said that there was no audio found(i don’t know what it means) so he ask me to do a Recovery CD/DVD for my computer, so i went to BESTBUY i bought some DVD-R’s to be able to do it. so i try to do it but everything was going ok until when it got to the last step it said “error” and ask me to insert a new blank DVD, so i did but then again it happend so i insert a new one again.the case is that i waist like 5 DVD’s so i decide it to quit doing that. I need help by knowing which DVD/CD’s i have to used for all this or what do you think is wrong with my computer. i really need help.