(Solved)Reinstall windows 7 Sony Vaio F13J8E

hello
i buyed 2month before sony vaio Laptop (Sony Vaio F13J8E).i get it some problemes windows 7 so i want to Reinstall windows 7 how is Possible ?
i don’t have Windows 7 DVD.
any ideas!!!!
Answer #1
Here is a link to sony support. This will show you how to recover your computer
http://esupport.sony.com/US/perl/model-find.pl?mdl=F13J8E&PRODTYPE=9,26,2,1,77,72,24,54,5
back up all your files to a usb or external hard drive as they will be lost when you recover the machine
Answer #2
thanks probleme solved