Installing or upgrading to Windows 2000 ProfessionalInstalling Windows 2000 ProfessionalThis section provides information on how to install Windows 2000 Professional on yourThinkPad. This information applies to the following situations:• Installing Windows 2000 on a blank hard drive.• Replacing an existing Windows operating system with Windows 2000.• Creating a dual-startup configuration to run Windows 2000 with an existingWindows operating system.If you choose to install Windows 2000 Professional on hard disk that contains application andpersonal files, back up all important data files before beginning the installation. If you do nothave a Recovery CD or Backup CD with a CD-ROM drive, use a diskette backup program tocreate recovery diskettes of the preinstalled Windows operating system, device drivers, andapplications.For more information about installing Windows 2000 on your ThinkPad computer, pleaserefer to the \SETUPTXT \PRO1.TXT and PRO2.TXT readmes included on the Windows 2000Professional CD.ThinkPad mode l with Bootable CD/DVD-ROM driveIf your computer has an internal CD-ROM or DVD-ROM drive, simply start the computerwith the Windows 2000 Professional CD in the drive then follow the instructions provided bythe Setup program.ThinkPad model without Bootable CD/DVD-ROM driveIf your computer does not support a bootable CD-ROM or DVD -ROM drive, you will need touse a startup diskette to begin the installation. You need to create the Setup start-up disksfrom the boot disk image files included on the Windows 2000 Professional CD. You willneed four blank, formatted, high-density diskettes. To create the Setup boot diskettes, followthese instructions:1. Turn on your computer and begin a DOS Command prompt session.2. Insert the Windows 2000 Professional CD into the CD or DVD -ROM drive.3. At the DOS prompt, type D:\BOOTDISK\MAKEBOOT.EXE, where D is thedrive letter assigned to the CD or DVD-ROM drive.4. Follow the instructions on the screen.5. After the Setup disks have been created, insert Boot disk 1 into the diskette driveand insert the Windows 2000 Professional CD into the CD or DVD-ROM drive.6. Restart your computer. Windows 2000 Setup will begin the installation.ThinkPad model with External CD-ROMWindows 2000 Professional supports the IBM PCMCIA 20X -8X Portable CD-ROM drive asa drive from which you can install the new operating system. If your computer does not havean internal CD or DVD-ROM drive, you can install Windows 2000 using the external IBM20X-8X PCMCIA Portable CD-ROM drive. To install Windows 2000 from the external IBMPCMCIA CD-ROM drive, follow the instructions provide below:1. Create the Setup Boot disks as described above.2. Connect your IBM 20X-8X PCMCIA Portable CD-ROM drive to your computer ,then insert the Windows 2000 Professional CD into the CD-ROM drive.3. Insert Boot disk1 into the diskette drive, then turn on your computer.4. Follow the instructions on the screen.