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Author Topic: USB shutting down  (Read 1945 times)

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Offline Truetrack

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USB shutting down
« on: February 19, 2014, 11:23:02 AM »
USB connection shutting down after certain inactivity

Using notebook XP/32 stationary with COAA prog SP and AIS-2USB for monitoring and sharing.
After uncertain may be ~ 3 hrs USB is cutting out leaving USB fom COMAR dead thus halting input and sharing, sometime leaving USB-Mouse dead, the latter can just be dis/reconnected.
NB itself keeps running and power mgr is kept as never sleep/hybernate.

Notebook is powered on Mains,
cooled via cooling pad on Mains,
AIS-2-USB additionally powered by USB-NetAdapter
So I do not suspect excessive temperature or excessive USB-drain as cause.

Is there some way to prevent above behaviour ? I have not found any access to this.

Appreciate your help please
Klaus

Offline Anmer

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Re: USB shutting down
« Reply #1 on: February 19, 2014, 12:12:51 PM »
Check the Control Panel for Power and USB settings.
Here to Help.

Offline viking9

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Re: USB shutting down
« Reply #2 on: February 19, 2014, 12:25:14 PM »
Go to Control Panel/Device Manager/Universal Serial Bus controllers. Double Click on the  latter and then move down to the first USB Root Hub tab and double click on it. This opens up a window 'USB Root Hub Properties'. Click on the 'Power Management' tab at the top and you will see a line in the window 'Allow the computer to turn off this device to save power'. Untick the box.

Repeat this for each USB Root Hub.

Tom

Tom

Offline Truetrack

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Re: USB shutting down
« Reply #3 on: February 19, 2014, 02:30:28 PM »
Thanks Mike and Tom,
shall proceed this eve
this is 2nd bright day so gardening chores have priority  :-[  :)

keep you posted
cheers
Klaus

Offline Truetrack

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Re: USB shutting down
« Reply #4 on: February 19, 2014, 08:31:05 PM »
The detailed lead solved it, and true all root hubs were ticked there (natural default ?!)
this last step was unkown to me.
Thanks for pointing me to the right direction,  it was really a nuisance not knowing when the connection
going to fail .

cheers
Klaus