How to enable ahci mode for sata in bios without reinstalling windows. Of course, come in f10 setup. Problems can set to ahci for drivers support for the system. Fail to compatibility issue after installation ahci in f10 setup. Inacessible boot device, windows 10 pro when in ahci mode on a asus p6t se motherboard. SATA AHCI, Microsoft Community. Nov 02, 2019 Enable AHCI After Win 10 Installation via Registry Editor. Step 1: Press Windows + R to call out the Run window. Once getting the window, please type regedit in the search zone and then hit the OK button to open Registry Editor. Step 2: Navigate to the following path to find the folders below mand modify them one by one. NOTE: Mac OS Sierra (10.12.x), High Sierra (10.13.x), Mojave (10.14.x) or Catalina (10.15.x) computers no longer need a CAC Enabler. Try to access the CAC enabled site you need to access now. Mac support provided by: Michael Danberry: If you have questions or suggestions for this site, contact Michael J.
AHCI (Advanced Host Controller Interface) mode is a communication mode that serves to connect storage devices using SATA interface with the support of NCQ and hot plug features. On practice AHCI mode often provides faster read/write speeds while using HDDs and especially SSDs. Quite often users find that they have AHCI disabled and try to enable the mode in UEFI (BIOS) but get the BlueScreen issue with the code Inaccessible_boot_device. In this article we will explain how to check if AHCI is enabled and how to safely enable AHCI mode without reinstalling Windows 10 or 7 and avoid BSOD.
Why You Need AHCI Enabled For SSD
Don’t think that AHCI is useless for you. I know why you think it is – because someday you tried to enable AHCI mode when you were using a classic HDD (Hard Disk Drive) and AHCI did not boost the speed. But it works for SSD! Even if you have an old SATA 2 controller you will feel the difference in read and write speeds when you enable AHCI mode. Look at the SSD performance comparison on my old HP G62 from 2011:
How To Check Whether AHCI Is Enabled Or Disabled
- Open the Device Manager.
- Expand the IDE ATA / ATAPI Controllers.
If you see AHCI Controller in the list, you have it enabled:
How To Enable Ahci Ssd
If you see only ATA and IDE words you are likely to have AHCI disabled on your machine!
How to Enable AHCI On Windows 10 After Installing
If you have already installed and set up your Windows 10 with your SATA controller running IDE compatible mode don’t be upset! You can switch to AHCI in a few steps.
To be on the safe side, it is advised to back up your Windows 10 using AOMEI backupper before you start tweaking the registry.
Launch the registry editor (Win+R, type regedit, press Enter) and perform the following actions:
How To Enable Ahci In Windows 7
How To Enable Ahci In Bios
- Go to
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesiaStorV
and set the value namedStart
to0
: - Find the key
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesiaStorAVStartOverride
and set0
to0
: - Go to
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesstorahci
and setStart
to0
: - And finally find the last key
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesstorahciStartOverride
and set0
to0
: - Reboot your system.
- Go to UEFI/BIOS and enable AHCI mode.
Here is how it looks on an old desktop with AWARD BIOS. You need to go to Integrated Peripherals: find SATA AHCI Mode and switch it to AHCI: Save UEFI (BIOS) settings and reboot your PC.
Enable AHCI Mode In Windows 7 Without Reinstalling
Enable Ahci Windows 7
- Launch the registry editor:
- Navigate to:
- Set the
Start
value to0
: - Reboot your system.
- Go to UEFI/BIOS during the reboot and change IDE to AHCI.