Microsoft Knowledge Base Article 292460 contains the following summary:
This article shows shows you methods of troubleshooting Safe-Mode video problems. In Safe mode, the computer does not start the video
adapter driver that is used during normal operations, so you need to use Device Manager to discover, update, roll back, or uninstall
the video driver instead of accessing the Display properties.
NOTE: It is not necessary to start the computer in Safe mode to perform the tasks that are listed in this article.