The HP preinstalled Windows 7 has the worst load of bloatware and useless duplicate utlities in the industry, throttling Windows 7's native performance. That's why most tech enthusiasts won't run it but instead Clean Reinstall - Factory OEM Windows 7.
Everything is provided in the blue link which will help you get and keep a perfect install.
If you want to stick with the HP bloatware then use HP System Recovery
after making your Recovery disks as a backup. But afterward I'd at least Clean Up Factory Bloatware