There is no factory reset button on a computer.
In the strictest sense of the term, there is no such thing as factory settings on a computer. What you have is an operating system installed by the computer seller, and the operating system has been configured to work with the hardware. Sometimes resellers also install other software programs as a bundle or include free or trial versions of software. You can reinstall the operating system and programs to be like it was when you first received the computer.
Instructions
1. Back up all of your data and other files you want to keep to a CD, flash drive or another computer on the network. Resetting your computer will cause the deletion of everything you saved on the computer.
2. Look for a restore program in the Start menu. Many computer manufacturers will install a backup program and with that program have a separate, sometimes even hidden, partition of your computer hard drive that has all of the software including the operating system. Using this restore program your computer will delete and reinstall everything on its own, usually taking a half an hour or more.
3. Reinstall your Windows CD. If your computer doesn't have a restore program with a partition containing your operating system, you may have a Windows CD that came with your computer. Insert your Windows CD in the drive and restart. Choose to install Windows and in the options to install choose to Format the computer during the install.
4. Reinstall any programs that came with your computer. If these programs aren't on a CD or part of the restore program, look on the manufacturer's website for the program.
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