Originally Posted by Morgoth
I didn't reinstall windows, but I did try that dual core optimiser from AMD. After installing it, the PC hung for ages 'detecting IDE drives' (which really should be SATA drives). When it finally booted up, it reset itself immediately, then spent a long, long time on the windows XP screen. Then when it got to the desktop.. rebooted itself again.
Your old chipset drivers from your prervious setup could be causing all sorts of problems, even uninstall using driver cleaner etc is not something I would recommend. Have you been into the bios?