Question: ahci bios is not installed?
Answer: Re: "No device found AHCI BIOS not installed" Please Help Type in the box regedit then click on the regedit. 6) Then just exit out of Regedit then restart the computer. 7) Then go into the BIOS configuration screens and change the disk mode to "AHCI". Save the new BIOS configuration and restart so that Windows boots.