USB Controller tree not showing up in device manager,

  • think.correctly
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Post 3+ Months Ago

as the title states, the usb controller tree is not showing up in device manager. i cannot use any of the usb devices i have installed on it. please help, ive tried re-installing usb drivers several times, several updates from the M$ website, but no luck. Please help!
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Post 3+ Months Ago

  • pramitroy
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Post 3+ Months Ago

Have you tried installing USB drivers in safe mode too?
What OS are you using?
For XP there are several known issues regarding USB drivers to be incompatible. All those lead to the installation of latest service pack and hotfixes.
Have you done that too?
As you have not posted your OS version so I am assuming it to be XP.
Now,
if all methods fail to show up device on the device manager you may do a common workaround
http://support.microsoft.com/default.as ... -us;315539


If you are not satisfied I am giving you the known issues

Windows XP/Server 2003 doesnt detect USB device
http://support.microsoft.com/default.as ... -us;314634

Windows XP Media Center Edition 2004 does not recognize new USB devices
http://support.microsoft.com/default.as ... -us;832643

Windows XP Does Not Recognize a USB Storage Device After You Resume from Standby
http://support.microsoft.com/default.as ... -us;329255

USB port may stop working after removing or inserting USB device
http://support.microsoft.com/default.as ... -us;817900

USB 2.0 Device Removed When System Resumes from Hibernation
http://support.microsoft.com/default.as ... -us;331695
  • think.correctly
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Post 3+ Months Ago

no, what i was saying, is that that entire tree, the one that shows all of the usb ports installed on the computer was not there.

however, i solved the problem. i remembered i had a similar problem a little while ago when my dell wlan network adapter conked out. it was because something got changed in the bios. so all i had to do was "Load Optimized Deaults"
i dont know what it changed, all i know is that it worked.

thanks for the timely reply though
  • aldo_nadi
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Post 3+ Months Ago

Could you tell me how you did that? I am having the same problem and want to see if that will work.
Thanks
  • Alkatr0z
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Post 3+ Months Ago

Press Del when you first turn on your computer. Find the "Load Defaults" or "Load optimized Defaults" and press Enter and it will ask you if you are sure. Press Y and then Save and Exit.

Sometimes it isn't Del, some BIOS manufacturers use different ones. You could be able to find out as when the computer first starts up and is doing its memory test down the bottom of the screen it should say something like "Press X to enter Setup" or "Press X to enter the BIOS"
  • think.correctly
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Post 3+ Months Ago

you have to be quick though, i remember back in the day one one gig of ram, POST didnt take too long so i had to start pressing del as soon as the computer turned on.
  • Alkatr0z
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Post 3+ Months Ago

Yup especially if your screen takes a moment to come on. I know mine if I'm just starting it up it won't really show up until after the POST has finished.
  • aldo_nadi
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Post 3+ Months Ago

OK thank a lot.
  • JobyTug
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Post 3+ Months Ago

Thank you 'think.correctly' for your superb solution to my problem! You've no idea how much time I've wasted on this. Can't thank you enough.
  • [hadissss]
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Post 3+ Months Ago

thanks for the info shared...you're a life saver. At least for my usb ports. I thought they were dead for good and burning in hell. Little sneaky bastards gave me a headache.
  • samir_619
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Post 3+ Months Ago

Thanks for this idea of resetting bios. It worked. I think recent Bios update had caused it.
  • RastahNation117
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Post 3+ Months Ago

i made this account to say thank you think.correctly i think you saved alot of peoples ass's today, you dont know how much i swore when i fixed this problem i felt like breaking the computer again.... thanks for your help i post a link to this on all of the pages i made to combat this problem
  • sergeyL
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Post 3+ Months Ago

Sorry for a stupid question but are you sure you had a proper driver?

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