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SATA drive suddenly not detected in My Computer

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I was trying to play a video from my secondary SATA drive tonight, when the video suddenly froze. I had to restart the computer, but the SATA drive was no longer detected. I went into disk management and saw the disk there but it was labeled as "offline". I tried clicking "reactivate disk" with no success.

I tried reinstalling SATA controller driver with no success...well actually I never have actually seen one installed but the drive worked before so I assumed it existed somewhere.

Any ideas? PC specs are below.

Processor >
Model: AMD Athlon™ 64 Processor 3200+
Speed: 2.04GHz

Motherboard >
Model: Abit AV8 3rd Eye (K8T800 Pro/VT8237 chipset)

Video System >
Monitor/Panel: Plug and Play Monitor
Adapter: NVIDIA GeForce 7600 GT

Physical Storage Devices >
SAMSUNG SP8004H 80GB (ATA100, :74.56GB (C:)
ST325041 0AS 250GB (SATA, SCSI:232.89GB

Operating System(s) >
Windows System: Microsoft Windows XP (2002) Professional
5.01.2600 (Service Pack 2)

Memory - 2x1Gb Apacer PC3200 DDR400

Here's what it says about the drive in question:

<< ST325041 0AS [P2 T2 H0 L0] >>
< SCSI General Properties >
Controller: 2
Bus: 0
Target ID: 2
Logical Unit No.: 0

< General Information >
Device Type: Physical Disk
Manufacturer: ST325041
Name: 0AS
Version: 3.AA
Removable Drive: No
Embedded Media Changer: No

< SCSI General Properties >
ANSI SCSI Approved Version: SCSI-5
Device Connected to Port: Yes
Width: 8-bit
Addressing: 8-bit
Multi-Ported Device: No
Relative Addressing Mode: No
Synchronous Transfers Support: No
Data Transfer on Secondary Bus:No
Asynchronous Event Notificatio:No
Queueing On: No
Linked Commands: No
Soft Reset: No
Normal ACA: No
Terminate I/O: No

< Disk Properties >
Capacity: 232.89GB
Block Size: 512bytes

Any help would be appreciated.
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OK, so I'm still working on this issue and I've tried a few things.

First, since I couldn't get the drive to work as a dynamic drive, I started looking for a way to convert the disk to basic and still retain my data.

I found and implemented the solution at the link below:


Having done this, when both drives are connected (my fully operational PATA master drive plus the not-working SATA drive) my computer now detects the drive but my computer is pretty much at a stand still. I can execute one action every 5 minutes or so. When the SATA drive is disconnected, the computer runs just fine. Just not sure why a secondary drive is causing this kind of slowdown.

Incidentally, when I had the SATA drive in my other PC, with another SATA drive, it did the same thing, so I'm reasoning that it cannot be the SATA drivers.
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