Original sentence: After accepting the license agreements for the software and operating system, the recovery program will usually reformat the hard drive and then begin copying operating system and software files (although some recovery systems, such as the ones utilized by Hewlett-Packard and Gateway do offer a "non-destructive recovery" option which backs up data before reinstalling the OS.OEM supplied recovery media is commonly shipped with most modern computers to allow the user to reformat the hard drive and reinstall the operating system and pre-loaded software as it was when it was shipped
Edited sentence: After accepting the license agreements for the software and operating system in some cases, the recovery program will usually reformat the hard drive and then begin copying operating system and software files (although some recovery systems, such as the ones utilized by Hewlett-Packard and Gateway do offer a "non-destructive recovery" option which backs up data before reinstalling the OS.OEM supplied recovery media is commonly shipped with most computers to allow the user to reformat the hard drive and reinstall the operating system and pre-loaded software as it was when it was shipped