USB Ports / Printer vs Wireless Card

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foxygranny52

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Mar 26, 2010
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I have just spent 30 minutes with Charter tech support - 45 minutes with Epson tech support with no resolution for the following problem. When I am on the internet via my wireless card and try to turn on my printer it immediately knocks me offline. I am unable to have both running at the same time (like they are both using the same USB port??) I was told by Epson that under the printers properties that there should be a choice for USB001 or USB002 . . . but I do not have that option?? All I see is that my printer is connected to a USB virtual port. All I want to do is to be able to print from the internet - can anyone out there help me???
 
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Don't really have anything else to plug in except my camera?? Never had the printer on while transferring pics??? I've deleted my printer and reconnected . . . do I need to do a complete uninstall???
 
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I also have another computer with a similar setup . . . no problems?? But I did a complete uninstall and re-install of the printer and still have same problem. I even left my computer online hoping that it wouldn't "overtake" the USB port that the wireless was operating off of; but as soon as I attached the printer to the USB, it shut my wireless card down!!! I've also tried plugging both into other USB ports on the computer (even the front panel) . . . no difference. Even though I have 5-6 USB plug ins - my computer seems to think I only have one????
 
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Try uninstalling the USB hubs.
Control panel-->system-->device manager-->under the USB section, right click and uninstall all of the USB root hubs-->restart.
They will reinstall on startup. With the wireless adapter and printer both connected, and the printer powered on, it may resolve the conflict.
 
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I really thought that was gonna work . . . the computer went thru the whole process of recognizing both devices, searching for the drivers, and saying that I had unused hubs. I then tried to connect to the internet via my wireless and I got an error saying "unknown device" and that the device did not have any drivers installed. However, as soon as I turned off my printer . . . my wireless started working again!!!! I about to give up 🙁
 
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Before I get into anything more complicated than I can handle . . . want to make sure this is not a "power" issue. In Device Manager it lists a USB 2.0 Root Hub and (3) others that just say Root Hub. Checking the power on USB 2.0 Root Hub it has 500 mA, then under that 5 ports available - 0 mA. Also says "This hub is self powered. Total power available 500 mA per port". Looks to be ok - is it?
 
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Each hub has a certain number of available connections (most are 2). It also details how much power each can output. If any devices are connected, it'll display how much the devices are consuming.

For example, I have 8 USB root hubs. 3 of them have devices connected to them. However, none of them exceed the available power output for the corresponding hub.

Do you have service pack 3 installed?
 
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I checked earlier and the Service Pack 3 had already been installed. However, I think we might be getting closer to the cause of the problem . . . I went to the power management tab and unchecked the box for saving power. Then I turned on my printer so that the USB printer information would appear so I could uncheck it also, and what I discovered was that "USB Composite Device" suddenly was listed in the USB 2.0 Root Hub listed under my wireless connection - using 2 mA - with 4 ports available??
In addition, information listed AFTER the USB 2.0 Root Hub were as follows:
USB Composite Device
USB Mass Storage Device
USB Printing Support
None of which had any power management options; and, of course, it knocked me offline.
 
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Still not working . . . but what's interesting is that I can plug my GPS or my camera in the same port connections that I had my printer plugged in to, while I'm still online and I have no problem. :cry:
 
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