i bought a refurbished gateway LX6810 desktop computer . it came with windows 7 pro SP1 64 bit installed . the other day it crashed and when i was able to get into the system i found there was no recovery partition to burn a disc from.nor did it come with a windows OEM disc either. I need to download and reinstall my windows 7 pro 64 bit system on this some how . anyone have an answer or suggestion ?