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I'm attempting to install Windows 7 Home Premium 64 bit from a USB flash drive on my new PC, but my SSD is not being recognized and the AHCI driver is failing. Whenever I boot into the Windows 7 Installer I'm prompted with Select the driver to be installed.

My PC specifications:

  • CPU = Intel i5 6600k 3.5 GHz Quad Core
  • MOBO = MSI Z170A Gaming Pro
  • RAM = 16GB DDR4
  • SSD = Mushkin Reactor 1TB (MKNSSDRE1TB)
  • GFX = Intel HD Graphics 530

I downloaded the On-Board SATA AHCI/RAID Drivers from MSI USA, and selected the Hide drivers that are not compatible with hardware on this computer which left one driver to be installed: Intel(R) 100 Series/C230 Chipset Family SATA AHCI Controller or intel_rst_skl_w10\WIN_ALL_14.6.0.1029\f6flpy-x64\iaAHCIC.inf but it fails with The device driver could not be installed. Contact your vendor for an updated driver. What's going on here? Do I need to contact MSI or Mushkin for support?

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The challenge you are experiencing with the new 170 series (intel 100/C230 chipset) is due to Windows 7 installer iso's not directly supporting xHCI usb mode.

Your choices are to either install Windows 7 from DVD or modify your usb drive with the drivers. Asus has a write up here: http://dlcdnet.asus.com/pub/ASUS/mb/LGA1151/Z170-K/DE164_100_Series_Windows_7_Setup_Guide_print.pdf

And more information here: https://rog.asus.com/forum/archive/index.php/t-74220.html

Following the notes from the links worked for me so far without issue.

A new link for the Asus boards with an updated bios shows a new setting that should help: asus dot com/support/FAQ/1013649/ but I haven't been able to test this yet.

And for those of us who like the back story on the issue, here is a link on that subject: forums dot guru3d dot com/showthread.php?t=396172

Have a great day,

  • My board was made by MSI not ASUS, and the first link you sent me concerns USB 3.0 whereas I'm using USB 2.0 – randomdev2 Dec 28 '15 at 21:43
  • The problem you are experiencing is related to the usb3 drivers on the new chipset. When they light up during the windows 7 install from a USB drive they seem to kill access to the usb2 connection. I had the same issue with my Asus board with the same chipset you noted. The solution is not Asus specific. – Mark Craypo Dec 29 '15 at 0:05
  • Oh okay, well I ordered a SATA DVD drive, so I'm just going to wait for it to come in to install windows 7. Thanks for all your help – randomdev2 Jan 1 '16 at 0:07

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