HP and Compaq Desktop PCs - About SATA Hard Drives and Controller Modes. HP recommends setting the SATA Controller Mode BEFORE installing the operating system. Changing the mode after installing the operating system can prevent the system from booting. (AHCI) or RAID, the disk driver in Windows 7 and Windows Vista is. Tips for better search results • Ensure correct spelling and spacing - Examples: 'paper jam' • Use product model name: - Examples: laserjet pro p1102, DeskJet 2130 • For HP products a product number. - Examples: LG534UA • For Samsung Print products, enter the M/C or Model Code found on the product label. - Examples: “SL-M2020W/XAA” • Include keywords along with product name. Examples: 'LaserJet Pro P1102 paper jam', 'EliteBook 840 G3 bios update' Need help finding your product name or product number? I don't have the AHCI drivers and I'm not sure how to get them. I have tried the regedit options that I have found, but msahci doesn't exist in the registry and another option I found was already at its correct value. I have booted with AHCI in the BIOS, but the device manager doesn't have anything AHCI related and Samsung Magician says it isn't working either. Under storage controllers, Microsoft Storage Spaces Controller is the only thing there. I am running Windows 10. Is it worth the trouble of getting this to work properly and if so, does anyone know how? Possible relevant system parts: i7 6700k Asrock Z170 Extreme4 850 Pro 500 GB SSD 2 TB HDD Thanks for looking. Hi Is this a fresh windows 10 install or a upgrade from 7 or 8.1? Does the motherboard driver disk include win 10 drivers? Most modern motherboards will have hard disk controllers in ahci mode by default I would expect a fresh install of win 10 to work If you installed windows with bios or uefi setting in ata compatible mode you will probably need to do a fresh install formatting the c: drive Were you getting any error messages from windows when booting up? If driver not loaded you would get a bsod If you change bios uefi setting for hdd controller you usually get another bsod The hard drive controller is one of the few which does not auto detect and accept changes under windows There is a xp program fix hdc designed to rip the hdd controller out of the registry which often works with latter versions of windows It can be found in Hirens Boot cd Regards Mike Barnes. Hi Is this a fresh windows 10 install or a upgrade from 7 or 8.1? Does the motherboard driver disk include win 10 drivers? Most modern motherboards will have hard disk controllers in ahci mode by default I would expect a fresh install of win 10 to work If you installed windows with bios or uefi setting in ata compatible mode you will probably need to do a fresh install formatting the c: drive Were you getting any error messages from windows when booting up? If driver not loaded you would get a bsod If you change bios uefi setting for hdd controller you usually get another bsod The hard drive controller is one of the few which does not auto detect and accept changes under windows There is a xp program fix hdc designed to rip the hdd controller out of the registry which often works with latter versions of windows It can be found in Hirens Boot cd Regards Mike Barnes When I got the motherboard and CPU I did a clean install of Windows 7 because I can get it free through my school and then upgraded to 10. I haven't gotten any errors of any kind (with regards to this problem). I have the driver CD that came with the motherboard, but I am not sure if it has Windows 10 drivers or not. Will there be a noticeable increase in performance if this gets fixed? Thanks for the quick response.
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November 2018
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