Windows Vista forum


Windows Vista not recognizing usb devices

by trx4evr / November 13, 2012 5:18 AM PST

I have a Compaq Presario F700 laptop running Windows Vista Home Premium 32-bit with Service Pack 2. a couple of months ago I got my ram upgraded from 1 to 2 gigs. around that time i also got an external usb hub (machine has three, but i also have an external webcam (none built-in) wireless mouse and keyboard). Anyway when I get the usb hub, I plug my keyboard and my webam (logitech 250) into it. About 1 month goes by without any problems then for not reason I get the error message saying "Webcam plugged into usb 1.1 port. Please plug into an avaiable usb 2.0 port". Ever since then, the port on my laptop that the hub was plugged into does not want to recognize anything I plug into it (I get the USB device not recognized notification). As a test I plugged my mouse adapter into the port (adapter has a light to tell me when it is working). and the light came on until the welcome screen.

Sorry this took so long to explain, I tried to provide as much detail about the problem that I could.

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All Answers

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Sad to say yup.
by R. Proffitt Forum moderator / November 13, 2012 5:24 AM PST

Did you ever accept any driver from Microsoft? And ports do go bad. As a test I boot up my UBUNTU LiveCD so I don't disturb the installed Windows and see if the mouse works on that port.

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I'm not sure what you mean
by trx4evr / November 13, 2012 5:30 AM PST
In reply to: Sad to say yup.

I'm sorry, but what do you mean by "have you ever accepted any driver from Microsoft"? Do you mean if i ever installed driver updates? if that is the question then the answer is that I am running the most up-to-date USB drivers. Also the other 2 ports work fine with everything that i plug into them.

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Sad to read that.
by R. Proffitt Forum moderator / November 13, 2012 5:33 AM PST

Drivers are not something I suggest folk update. Drivers do not wear out and Microsoft keeps stumbling on that one. It's partially their fault for not mandating a change over a decade again to properly identify chips and more.

OK, try the Ubuntu test to see if the port is dead or alive.

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PS. Another thought.
by R. Proffitt Forum moderator / November 13, 2012 5:34 AM PST
In reply to: Sad to read that.

Some PCs let us disable ports or set them to legacy mode. It's your machine so you should be familiar enough to go check that out.

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About the Ubuntu thing...
by trx4evr / November 13, 2012 5:39 AM PST
In reply to: PS. Another thought.

I just checked and yes all my USB ports are enabled and windows says they are working properly.

1 more thing, what is Ubuntu liveCD and how do i use it to check usb ports?

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I put that question into google.
by R. Proffitt Forum moderator / November 13, 2012 5:43 AM PST
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