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Windows 7: Seagate Extension 1TB external drive falls in deep sleep

07 Nov 2010   #1
Ex Ante

Windows 7 Ultimate x64
Seagate Extension 1TB external drive falls in deep sleep


I'm wondering if anyone else has had the following issue with USB connected external drive and Windows 7 Ultimate 64-bit:

When plugged in, the external drive is recognized by the OS, is accessible and in every aspect functions normally. After a period of non-use of the computer, e.g. 8 hours, the USB device gets knocked out. Logging back to Windows, and the 1st message will be "Unrecognized USB device", and the external drive is not visible anymore.

The only way to get the device back is to disconnect its power supply, and plug it back in.

I've done the following :

1) Changed the USB power settings of the OS. USB devices are not allowed to go to sleep
2) Changed the power setting from Seagate Manager to not allow the drive to go to sleep
3) Changed USB Legacy to Enabled on BIOS

But none of these actions has removed the problem.

Any ideas if the drive itself is faulty, or if I am missing some setting somewhere that might cause the strange behaviour?


My System SpecsSystem Spec

07 Jul 2011   #2

Windows 7 Home Premium 32bit.

Hi -Ex

I see that it is almost one year since your original postings.

Did you ever resolve your problem?

I recently upgraded my XP os to W7 and have exerienced exactly your symptions.

My problems came to my notice when after switching of my PC the 1TB Seagate External Drive LED which would normally go out after a short while, stayed ON.

My System SpecsSystem Spec

 Seagate Extension 1TB external drive falls in deep sleep

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