How to Wipe a Hard Drive Clean & Reinstall Windows. Wiping your hard drive prior to reinstalling Windows 7 is the preferred installation method, and ensures optimal performance. You may perform a ...

To reformat the system drive and reinstall Windows 7 on these types of systems, press the system recovery key during start up and follow the prompts to reformat the drive and reinstall Windows 7.

Have you started cursing at your PC? Pulling out your own hair? Now may be the time to wipe and restore your system. It's a hassle, but well worth it.