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*RESOLVED* 3rd Hard Drive detected in BIOS but NOT in Windows


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#1
pretzelLogic

pretzelLogic

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Hi, I'm hoping someone can help me with this problem. I have two WD SATA drives (WD3200AAKS & WD6400AAKS) which have worked fine for a few months. Now I'm trying to install a third SATA drive (another WD6400AAKS).
BIOS detects it on IDE Channel 2 (Master) with correct specs. AHCI and RAID are disabled. During bootup, I can see all 3 drives detected at POST.
My problem is that Windows XP doesn't detect the third drive. When I go to Computer Management > Disk Manager, there's no sign of the drive.
Any help would be greatly appreciated.
Thank you.

Edited by pretzelLogic, 27 September 2008 - 10:51 AM.

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#2
pretzelLogic

pretzelLogic

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I finally figured out the problem. It turns out that in Device Manager, under "IDE ATA/ATAPI controllers" all the previously unused Primary/Secondary IDE Channel devices were set to "None" instead of "Auto Detection" (under the Advanced tab). This was preventing the new drive from being seen in Windows.
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