No option to choose Samsung 850 ssd as boot drive using Gigabyte GA-990FXA-UD5 when set to AHCI
- Thread starter faddish
- Start date
Solution
Win 10 Ult.
I found this: Would this work?
Now there is an easy solution that will allow you to switch between IDE and AHCI in the bios and Windows will boot without any problems. The key is to enable the AHCI driver in Windows before you make the setting change in the BIOS.
For most users this will work:
1.Open Registry Editor and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msahci.
2.Right click on the Start registry DWORD and select Modify.
3.Set the value to 0 and click OK.
4.Now the Start setting should be set to 0.
5.Reboot and enable the AHCI setting in your BIOS.
techgeek
Splendid
- Apr 11, 2004
- 5,297
- 9
- 29,965
It will work, however I think the location of the registry entry may be slightly different. In your case though, you have an AMD chipset / SATA controller. You may have to enable the MicroSoft SATA driver first (msahci), then install the AMD SATA drivers if you want the "improved" driver. MicroSoft AHCI driver works, but it may not be tuned for your specific controller. I don't know how much improvement it makes to AMD platforms, but it definitely has an impact on Intel systems, particularly in the case of SSD's.
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