A Repair Install will replace the system files with the files from the XP CD that is used for the Repair Install. It will leave your applications and settings intact. Windows updates will need to be reapplied. SP2 will also need to be re-applied if you are using an SP1 OS/CD.
Factory supplied Restore Disks will not work to do a Repair Install.
If possible, Before doing the rapair install copy the wpa.dbl file to a floppy and after the repair copy/paste the file to the C:\windows\system32 folder, This will save doing a re-activation of the OS. ( only if no Major Hardware changes are made.)
1=Set BIOS to boot from the CD/ROM as first boot device, With OS/CD in the drive restart the computer.
2=When the prompt to "Press any key to boot from CD/ROM appears (Do so now as you have only seconds).(Ignore when prompt appears on any reboot)
3=Windows setup, Loads files.
4=You will see Windows XP home or Pro setup.
5=To setup windows press "Enter."
6=Press F8 to accept license.
7=To repair selected Windows Installation press "R."
8=Copies files to the Hard drive.
9=Computer will Re-Boot
10=follow the on-screen instructions..
11=Enter the "product Key"
12=The computer will re-boot again during the install, do not use "the press any key" command at the prompt or you get to do it all over again.
13=Follow on screen instructions.
1=Set Bios to boot from CD/ROM as first boot device(Entering the BIOS and changing the boot order is not discussed here, you may have to refer to the computers manual for this).(For a clean or new drive the boot sequence does not matter)
2=Place the OS/CD in the CD/ROM drive and Re-Boot
3=Watch for the prompt to "Press any key to boot from CD/ROM" Press ASAP (Ignore when prompt appears on any reboot) (You will only get this prompt if there is an OS installed).
4=windows Setup (Loads Files)
5=To setup XP now press "ENTER"
6=Press F8 for license
7=To continue installing a fresh copy of windows without repairing press "ESC"(You will not get this prompt for a new or unpartitioned drive)
8=For a new or unpartitioned drive press "ENTER" (or you can press "C" if you want to create multiple partitions).
9=For a drive that has partitions, operating system or any data on it, you should press "D" to delete the partition and start out with a clean drive
11=You will be prompted again, press "L"(You will do this for each partition) , Now you are ready to partition and format
12=Press "C" (Only if you want multiple partitions, Otherwise press "Enter"
13=To setup windows on the selected partition press "enter"
14=Select format NTFS with quick option, (Should be the top selection)
16=Wait for format to complete
17=Computer will start copying files to the installation folders (this may take several minutes)
18=Computer will re-boot, do not press any key to boot from CD/ROM when prompted
19=follow the on-screen instructions to complete loading windows.