Reinstall..? delete all file ? ... the format HDD more better .
- just insert CD system (winXP / Cd Recovery... Ori, ) in CDROOM drive, Follow instruction & guide . in this process, u can format your HDD & Partition fresh.
- if use CD system booting (Hiren CDboot ) u can delete all , but format perfect & faster !
After all finished & Clear , install system need Register Key (original), driver (CD from motherboard), software .. ! what do you have..?