Re: USB device down after some time

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From: Nathan McNulty (525676_at_betaweb.com)
Date: 07/05/04 

Date: Mon, 05 Jul 2004 02:01:03 -0700

You may need to check in your BIOS to see what your power management
settings are. If the BIOS is set to power down devices that are not
used for a period of time, even though Windows is told not to do it, it
will still do it because the BIOS controls the OS in this case.

Also, make sure that you have the most updated chipset drivers. This
will generally help fix problems such as this. If you need help finding
out what chipset you are running, let me know what motherboard it is (if
you know) or any information you can provide on your computer. There are
also a few programs that I can recommend to find out what chipset you
have. Try Everest Home Edition from www.lavalys.com (FREE).

Nathan McNulty

haris wrote:

> So I found this setting and it is already set (on all available root hub) to
> not power down inactive device.
>
> Unfortunately during this several day time the problem still occurs.
>
> I have observe this problem on another USB device (not a fingerprint
> scanner). Can anyone relate to me how this can be happening? How that unplug
> and plug the usb device or restarting PC can solve the problem? I'm sure
> there are people here who understood how USB device function. From this we
> can throw around ideas on cause of problem and the solution.
>
> Thanks in advance
>
>
>
>
>
> "haris" <Haris@Nospam.com> wrote in message
> news:OfwLmJkXEHA.2972@TK2MSFTNGP12.phx.gbl...
>
>>I have check in USB Controllers section and found the usb device
>
> properties.
>
>>However it doesn't have any power-down-when-inactive or similar
>
> properties.
>
>>Thanks though. Is there a way to troubleshoot a device that power down
>>itself but doesn't wake up when required?
>>
>>
>>"Alexander Grigoriev" <alegr@earthlink.net> wrote in message
>>news:ObRsvgeXEHA.2844@TK2MSFTNGP11.phx.gbl...
>>
>>>Disable "power down the device if inactive" in its properties in the
>>
>>device
>>
>>>manager.
>>>
>>
>>
>
>

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