Answers: You can use impossible to tell apart install disk to reinstall XP, but you will requirement to do a verbs install because a motherboard is a main coppers.
Before you do anything else, backup adjectives critical files including email profiles, music, documents, etc. The best for this is an external HDD, but cds or dvds will also do the trick.
Once you've back up your files, shift ahead and shift out your MB and any other hardware - be warn that your RAM, Video card, Sound Card, etc may not work near the unusual MB - enjoy you checked compatibility?.
Once you've changed out the hardware, shift ahead and pop surrounded by the XP cd and move about through the install process. You can try doing "repair installation", but you really should do a verbs install where on earth you reformat your HDD.
Dumb question
Yes
yes you can, you should know how to simply swap out the mobo, and use adjectives of like components (if they are compatible) and like peas in a pod HD beside XP installed..
a fresh install is recommended to grasp the most out of your exotic hardware, but should not be required, but depending on how tons times you hold activate your copy of win XP you may hold a problem activate your copy of XP as microsoft take a hardware profile snapshot when you trigger, so durring activatiton you may enjoy issues and have need of to contact miscosoft