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Repair a Windows 2000 installation

In addition to performing new installations and updating an existing operating system, Windows

2000 Setup also provides the capability to repair an existing installation. The repair process can

perform a handful of tasks, depending on the repair option you select.



To start the repair process, boot from the Windows 2000 Professional CD, press R to select Repair,

and press R again to start the Emergency Repair process. Setup offers two repair options: Manual

Repair and Fast Repair.



The Manual Repair option provides three choices. The first choice, Inspect Startup Environment,

uses the Setup.log file to check and, if necessary, fix the path to the Windows boot partition and

system folder. The second choice, Verify Windows System Files, checks the Windows boot files

against the CRC information for the files in the Setup.log file. Setup gives you the option of

replacing the files from the CD or OEM driver disk if the files are missing or corrupted. The third

choice, Inspect Boot Sector, repairs the boot sector.



A Fast Repair performs the same tasks as a Manual Repair, but it doesn't allow you to choose which

tasks to perform. Fast Repair checks the registry files and copies the backup file from the

%systemroot%\Repair folder if a registry file is missing or corrupted. Unless you've updated these

backup files, using Fast Repair essentially resets any replaced registry files to the post-installation

state. After using Fast Repair, you must restore the system state data from a recent backup.

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