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  • Status: Solved
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Computer pauses until USB Drive spins up

I have an HP DC5800 SFF running Vista Ultimate.  Every time I stop using the computer for a few minutes, it will hang when I return until the USB hard drive attached spins up.  It must be using it to write temporary files or something, but I don't want it to.  It doesn't matter what drive I attach (I have about 4 differrent makes and models), it does it to all of them, and I don't have speedboost turned on for any of them.   Most of the time I notice it when using Outlook.

Thanks
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tfitz99
Asked:
tfitz99
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1 Solution
 
rindiCommented:
Disable any powersaving features on your USB ports and drives, so they don't spin down when not used.
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tfitz99Author Commented:
I want to get to the root of the problem, not cover it by having the drives / port up and spinning at all times.  I would like to know why Vista needs to use the drive(s) when I have not set them to be swap space.
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rindiCommented:
Windows will always try to access any attached devices, even if they aren't really in use. This can only be "fixed" by disabling powersaving options. Apart from that, disks which are always turned off and on will normally not last as long as if they are used continuously. So keeping them running can help.
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tfitz99Author Commented:
OK, I went into power options and I am set to High Performance mode.  I drilled down to the USB Settings, USB selective suspend setting and it was disabled.   Anything else specific I need to check/set?
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rindiCommented:
I haven't got a Vista PC online at the moment, so I don't know exactly where everything is. Also check in device manager for the specific devices, power options are often set there too.
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