When should I reinstall the product instead of a repair?

Uninstall and Maintenance Issues

After repairing my installation, is it possible to recover my settings?

 

AutoCAD Stand-Alone Installation Guide > Installation Troubleshooting > Uninstall and Maintenance Issues > 

Do I need my original disk to reinstall my software?

When performing a Reinstall of the product, you do not need to have the original DVD or CD on hand. Installation data is cached locally on your drive and that data is reused when reinstalling.