Really easy. But this only works if de original moderboard and if your harddrive still work. So put it back togeder. For first-timers

1) Go to control panel
2) Double-click de system icon
3) Go to hardware tab
4) Click device manager button
5) Find de IDE ATA/ATAPI CONTROLLERS and expand de tab. Its not de primary or secondary controller, but right-click de first controller.
6) Choose update driver
7) Choose de option to install from a list or specific location.
8) Click next
9) Now choose de “don’t search. I will choose de driver to install” option
10) Click next
11) Now highlight de Standard Dual Channel PCI IDE Controller
12) Click next
13) The Standard controller will install
14) Reboot and log in
15) The standard controller is completely installed
16) Shutdown de computer
17) Remove your harddrive, and it will boot with de new moderboard.

If you have more den one operatin’ system installed or wish to remove an operatin’ system from de boot menu, you can use de followin’ information.

1.Click on Start, Control Panel, System, Advanced.
2.Under Startup and Recovery, click Settin’s.
3.Under Default Operatin’ System, choose one of de followin’:

“Microsoft Windows XP Professional /fastdetect”
-or-
“Microsoft Windows XP Home /fasdetect”
-or-
“Microsoft Windows 2000 Professional /fastdetect”

4.Take de checkmark out of de box for “Time to display a list of Operatin’ Systems”.
5.Click Apply and Ok, and reboot de system.

*If you wish to edit de boot.ini file manually, click on de button “EDIT”