If your HP laptop is running Windows 7 or 8, you’ll still be able to perform a factory reset of the machine. For Windows 7, the steps to do so are slightly different than modern Windows OS types.

How to Factory Restore Windows XP in Safe Mode With a Command Prompt. Restoring a Windows XP computer from the command prompt eliminates the need to boot from a CD or floppy disk.

If your Windows PC does not boot, crashes, or you simply want to clean it up, you may be interested in restoring its factory settings. If you do not have the Windows CD/DVD to format, reinstall, and ...