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21 posts

Geek


Topic # 17902 17-Dec-2007 12:35
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Hi everyone, I recently bought a new PC and whenever I use Skype and connect my USB Camera I receive an error message "USB Bandwidth exceeded". The only USB component that is connected besides my webcam is my printer. I searched for a solution but to no avail. I'm thinking of buying a new webcam but I'm afraid that it will still not work. I have an internal card reader, I'm thinking that this is the cause of the problem although I already disabled it. Please help me on my situation. Cheers

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Master Geek


  Reply # 100433 17-Dec-2007 15:13
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Based on the spec fo the PC, you should have a number of USB2 ports. Try swapping the camera to a different USB port to see if that cures the problem.



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Geek


  Reply # 100443 17-Dec-2007 15:54
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Thanks for the fast reply. I have already done it to no avail, every USB port I connect the webcam to yields the same error message. Do I have to change webcams? Cheers

 
 
 
 


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Master Geek
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  Reply # 100449 17-Dec-2007 16:12
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According to this page your webcam resolution may be eating up all your USB bandwidth.



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Geek


  Reply # 100461 17-Dec-2007 16:40
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My webcam's resolution is 640x480, it works fine on my laptop which is an Intel Celeron. If you will look at it, it should work fine now that my PC is of higher specification. I'm staring at a brickwall regarding this matter. Cry ... Thanks for the replies and keep 'em comin'

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Master Geek
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  Reply # 100466 17-Dec-2007 16:55
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In that case, you probably should find out which device it is that takes up the most bandwidth.  You can do so by going to Device Manager, right-clicking on your USB Host controller, select Properties and go to the Advanced tab.

I'd be particularly interested to know how many host controllers you have.  If you have only one, then clearly you'll need to add another host controller somehow (USB cardbus if it is a laptop or a PCI USB controller if it is a desktop).  Then you can move the bandwidth-eating device to your new host controller.

HTH

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Geek


  Reply # 100624 18-Dec-2007 11:43
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I have two USB Host controller, PCI to USB Host Controller & OpenHCD USB Host Controller. The former has System Reserved at 10% and the latter has System Reserved at 11% when I connect the webcam it uses the OpenHCD Controller.

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  Reply # 101612 24-Dec-2007 00:10
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Oh, yeah, sorry about that mate. Thanks for the suggestion. I deleted the post. Cheers :)

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