When should I format my hard drive?

To help maintain and resolve performance issues, reformatting the hard drive on a yearly basis is advisable. It’s also a good idea to take several precautions to wipe a hard drive, so that personal and private data will not be recovered, especially if an older computer is sold or discarded.

What will happen if I format my PC?

Resetting to Factory Settings During the factory resetting process, your PC’s hard drive is completely erased and you lose any business, financial and personal files that may be present on the computer. Once the resetting process starts, you cannot interrupt it.