Understanding the Setup and startup processes in Windows 2000 Professional is important to maintaining your system. Use this quick guide to understand the steps involved in setting up and starting up Windows 2000 Professional, including how the devices are detected, how to configure your computer with multiple operating systems, how to update Windows 2000 Professional with service packs, and how to troubleshoot related problems. Review the Phases of SetupReview a brief description of how boot drivers and Plug and Play devices are loaded during the text-mode and graphical user interface (GUI)-mode phases of Setup, as well as a description of the Setup log files. An understanding of the Setup process can help you troubleshoot any problems you encounter during Setup.See "Phases of Setup" in this chapter.Understand the steps involved in starting Windows 2000 Professional.Understanding the system startup procedure allows you to troubleshoot problems with installing and starting Windows 2000 Professional.See "Windows 2000 Professional Startup Process" in this chapterUnderstand how Windows 2000 Professional detects Plug and Play devices.An understanding of how Windows 2000 Professional detects and loads Plug and Play devices can give you a better understanding of how these devices are detected and configured during Setup and help you troubleshoot any problems that might occur. See "Plug and Play Device Detection" in this chapter.Configure your computer to create a multiple-boot system by using Windows 2000 Professional with other operating systems.Review the procedures and considerations for setting up a multiple-boot configuration. Review the detailed description about how to set up a multiple-boot system by using Windows 2000 Professional with Microsoft® Windows NT® 4.0, Microsoft® Windows® 95, Microsoft® Windows® 98, and Microsoft® MS-DOS®. See "Installing a Multiple-Boot Operating System" in this chapter.Install service packs with Windows 2000 Professional.Learn how service packs are added to Windows 2000 Professional and how Service Pack installation has changed since Windows NT 4.0.See "Installing Service Packs" in this chapter.Remove Windows 2000 Professional from your computerIf you have problems during Setup or if Windows 2000 Professional does not run, you might need to remove the operating system from the computer. Review details about how to remove the operating system and the associated files.See "Removing Windows 2000 Professional from Your Computer" in this chapter.Troubleshoot Windows 2000 Professional SetupReview some of the problems that can occur during Windows 2000 Professional Setup and the steps you can take to troubleshoot them.See "Troubleshooting Windows 2000 Professional Setup" in this chapter.