Yes. For starters, please attach your Last Session.ini. This could be an nLite issue, so it belongs in the nLite forum. Are we talking about nLite here? The correct way to slipstream AHCI is TXT mode http://xdot.tk/nliteimages.html pic #9.Finally, if it is the driver, Fernando has a few modified drivers, but you need to say which manufacturer they belong to, so we can direct you. Cheers