Can't install Windows 7 on WD1500HLFS-01G6U4 VelociRaptor

WD Internal Drives Desktop & Mobile Drives
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you may need to check with your motherboard company and see if there is a compatibility list for hard drives.  It’s possible that the drive is not compatible with the board.  If that’s the case then you need to contact wd and get the drive changed, or buy a compatible sata card.