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how to configure sata as raid in windows 7 / vista after installation if windows will not boot
11.01.2011


If you want to enable a raid disk after windows install, you will run into a few complications - like windows not booting up and simply rebooting. As the process of getting this to work is not easy if you dont know how I thought I could put up a step by step guide on how to do this.

1: boot windows normally using ide mode (or the mode you installed it, if you are already on ahci skip step 2 & 3)
2: enable ahci -> regedit -> hkey_local_machine -> system -> currentcontrolset -> msahci -> on the right side change the value for start to 0 (yes 0!)
3: change bios to ahci mode
4: reboot windows and install the intel matrix storage driver (which you can download on your mainboard manufacturers website or from intel.com) (this wont work unless you are already in ahci mode!)
5: regedit -> hkey_local_machine -> system -> currentcontrolset -> iaStor -> change value for start to 0, do the same for iaStorV
6: reboot and set bios to raid mode
7: windows should boot now.
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