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xps 420 win 7 adding storage hdd

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April 12, 2014 8:17:25 PM

Just installed win 7 64 bit on XPS 420 quad core 2.4 gh, 8 gigs ram, 1tb hdd. I went to add the old hdd as a 2nd hdd. win 7 won't see old hdd with vista 32 bit. I went into bios, drives are set up for raid, when I turn raid off and re-boot, it won't boot and restarts. Read that I have to reinstall and setup win 7 again. Is this true? No way to reconfigure to use 2nd hdd as storage drive, I don't need the vista for dual boot. Any help would be appreciated. Thank you in advance.
a c 281 G Storage
April 13, 2014 12:22:17 AM

Yes, you should have disabled RAID in BIOS before installing Windows 7, so you'll have to install it again.
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a c 231 G Storage
April 13, 2014 1:41:57 PM

ComputerSmith said:
Just installed win 7 64 bit on XPS 420 quad core 2.4 gh, 8 gigs ram, 1tb hdd. I went to add the old hdd as a 2nd hdd. win 7 won't see old hdd with vista 32 bit. I went into bios, drives are set up for raid, when I turn raid off and re-boot, it won't boot and restarts. Read that I have to reinstall and setup win 7 again. Is this true? No way to reconfigure to use 2nd hdd as storage drive, I don't need the vista for dual boot. Any help would be appreciated. Thank you in advance.


I had this same problem. You need the registry setting for the AHCI driver in Win 7. Here's how I did it: http://answers.microsoft.com/en-us/windows/forum/window...

Worked like a charm and I did not need to reinstall Windows.

Yogi

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April 13, 2014 7:41:43 PM

Phillip and Yogi,
Before I saw Yogi's response, I followed Phillip's advice. I changed the raid settings in the bios and reinstalled Windows. Restarted with no success. Then read Yogi's advice and changed the registry settings and restarted with no success. I did a little more digging and read to change the 2nd drive's sata connection to the sata1 spot where the DVD was. Reboot with success. You most likely figured I knew to do that first. This is my first experience with drives configured with raids on a home machine, I still have a lot to learn. Thanks to sites like this one and experienced individuals as yourselves who give your time to help us, not so experienced newcomers I salute you. You were both a great help to me. Kudos.
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a c 231 G Storage
April 14, 2014 7:53:42 AM

Glad to see that you found a solution! Congrats!

Yogi
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