Did your laptop still have the recovery partition? If it does have, the F9 key feature ( using recovery partition) will work. If there is not partition in the HDD, that feature will not work.I ve tried F9, it doesnt work.
Can i still download win 7 without paying?Did your laptop still have the recovery partition? If it does have, the F9 key feature ( using recovery partition) will work. If there is not partition in the HDD, that feature will not work.
Also if you use either win7 or win10, you can download the OS from microsoft to make a bootable USB or DVD/CD, and reinstall the OS.
And can you tell us why you need to reset the laptop?