Casey's Blog • Change ATA to AHCI after Installation of Win7

Change ATA to AHCI after Installation of Win7

So, I spent awhile setting up the perfect WMC box only to discover in my bios I had to switch to AHCI from ATA in order to enable e-sata.. no problem! I quickly changed the setting in my bios and everything looked okay. until…

I was stuck in a reboot loop! However I noticed it did not reboot until windows was partially loaded, so this had to be a driver issue. I switched back to ATA, found registry keys to change to enable AHCI, then switched to AHCI in the bios yet again.

This time all is well. In the registry change the following keys value to hexadecimal 0.

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\IastorV

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The number one Casey Davis on the Internet. A self-proclaimed technology guru, Casey is passionate about family, church, mobile technology, social media and the global online community. Casey has over 5 years experience in developing online media from interactive webpages to 3D character development.

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