HI, i just done that,booted ok in AHCI mode,(thanks, very good trick)rebooted then windows installed AHCI drivers for it.(cool)The thing was, when i logged in,it froze for a while.after that,was trying to hibernate/sleep/hybrid sleep, lost the boot,get the typical 'restart and select booting device' message,so i switched off.after a few hours i turned back on and just booted ok.what the...?