How can I run screen autodetection again after install

[ekang4887]

At the install firtst time,the screen autodetection guide will start. But when I finish the install,I want change a video card.How can I run screen autodetection again

[substring]

It's meant to be a 1 time use before installing. Overriding current settings is not handled by the wizard, so it can't be run a second time. Changes have to be done manually, I can help