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No USB Controller tree in XP Device Manager

In trying to get a new device recognised on a Serial port on my IBM NetVista 8318 running XP Home, I altered the serial port Bios entries from "Enabled" to "Automatic".  After re-booting I found that none of my USB ports were working (4 front, 2 rear).  All Bios entries for USB are good but USB does not now exist in the XP Deviice Manager. I have restored Bios Serial ports to "Enabled".
I have plugged and unplugged USB devices and done several reboots of the system with no effect.
How can I get XP to recognise my USB ports ?

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Hi!
Windows operating systems include native support for devices and systems that comply with the Universal Serial Bus (USB) specification.
Click Start, click Run, and in the Run dialog box, type:
devmgmt.msc
Do you see the first one? You can try and get it to update its drivers. if not, all USB drivers are in the service pack 1.
let me know!

Posted on Feb 21, 2009

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Thanks Mastersage for your response.
However, I have just found the answer to my problem posted by 'think.correctly' on Ozzu Webmaster Forum. Here is that thread text :

"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."

"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" "

I shall be forever grateful to 'think.correctly' for this so simple solution to a problem which has cost me a significant part of my life !

Posted on May 12, 2009

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1 Answer

USB not recognised


Go into your device manager by clicking Start/Control Panel and from there it depends on your operating system as to where the device manager is. In Windows XP they are under System\Hardware. Once you are in the device manager look for Universal Serial Bus Controllers and if you have a + next to it, click it to expand it. See if any item has a ? on it. If so right click on it and select Update Driver.

If all are ok, then maybe you need to try a different USB Port. If all ports act that way you might be experiencing a motherboard issue with the usb controller.

Are you ever getting a message such as "Your device could work faster if you plug it into a 2.0 usb port"? If so, that might be contributing to the problem. Fortunately for you on a desktop you can put in a fast 2.0 usb port card into one of the pci slots on the back of the computer. So, all is not lost.

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Assuming you have tried other usb ports and had no change,remove the usb connection, then go back into device manager and select the usb controller, right click and select delete as this will erase any input driver the usb port recognises. Restart the pc and then the controller should be reinstalled automatically as it sounds as though the controller has become corrupt for some reason. Go back into device manager and check there are no exclamation marks, reconnect the drive and see if it's recognised.

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Dear Sir,madam
You have to do some steps about fixing this problem :
1: Go to Device manager by right click on my computer then manage and then device manager.
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3: in each USB root hub right click and then properties.
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1 Answer

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Method 1: Use Device Manager to scan for hardware changes loadTOCNode(2, 'resolution'); Use Device Manager to scan for hardware changes. After your computer scans for hardware changes, it might recognize the USB device that is connected to the USB port so that you can use the device.

To scan for hardware changes, follow these steps:
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    Note If you are running Windows Vista, click Start, and then use the Start Search box.
  2. Type devmgmt.msc, and then click OK. Device Manager opens.
  3. In Device Manager, click your computer so that it is highlighted.
  4. Click Action, and then click Scan for hardware changes.
  5. Check the USB device to see whether it is working.
If scanning for hardware changes fixed the problem, you are finished. If this method did not fix the problem, go to Method 2.
Method 2: Restart the computer loadTOCNode(2, 'resolution'); If scanning for new hardware did not fix the problem, try restarting the computer. After the computer has restarted, check the USB device to see whether it is working.

If restarting the computer fixed the problem, you are finished. If this method did not fix the problem, go to Method 3.
Method 3: Disable and re-enable the USB controller loadTOCNode(2, 'resolution'); Use Device Manager to disable and re-enable all the USB controllers. This lets the controllers recover the USB port from its unresponsive condition. The USB controllers represent the USB ports in Device Manager.

To disable and re-enable the USB controllers, follow these steps:
  1. Click Start, and then click Run.

    Note If you are running Windows Vista, click Start, and then use the Start Search box.
  2. Type devmgmt.msc, and then click OK. Device Manager opens.
  3. Expand Universal Serial Bus controllers.

    Note You might have to scroll down the list to find this item.
  4. Right-click the first USB controller under Universal Serial Bus controllers, and then click Uninstall to remove it.
  5. Repeat step 4 for each USB controller that is listed under Universal Serial Bus controllers.
  6. Restart the computer. After the computer starts, Windows will automatically scan for hardware changes and reinstall all the USB controllers that you uninstalled.
  7. Check the USB device to see whether it is working.

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1 Answer

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Click Start
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1 Answer

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Hi,

Check the drivers under Device Manager for all the USB port.

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Try reinstalling the motherboard drivers, maybe something is wrong with the USB controller.

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1 Answer

Usb ports not working


  1. Checking USB device status in Device Manager
  1. Right-click My Computer on the Windows desktop and then click Properties.
  2. Click the Device Manager tab to display the Device Manager window as shown at the right. (For Windows 2000 systems, click the Hardware tab and then the Device Manager button.
  3. In the Device Manager list, click the + sign next to Universal serial bus controller.
  4. Verify that a USB host controller and a USB root hub are listed below Universal serial bus. image002.jpg
  5. If Universal serial bus controller, USB host controller or USB root hub are not listed, close the Device Manager and go to USB port incorrectly configured in BIOS
  6. If Universal serial bus controller, USB host controller and USB root hub are listed but one or more display a yellow exclamation point, go to USB controller IRQ conflict
  7. If you have Windows XP, right-click the Host Controller and select Properties from the drop-down menu. If you see this status message in the Properties window: The drivers for this device are not installed (code 28), go to Windows XP USB 2.0 driver not installed .
  8. If Universal serial bus controller, USB host controller and USB root hub are listed but one or more display a red X, go to USB controller or root hub disabled in Windows Device Manager.
USB port incorrectly configured in BIOS NOTE: The procedure in this section is intended for advanced users only. Incorrect BIOS settings could prevent your computer from starting or operating normally. If you are not experienced in making changes to your computer BIOS, consult your computer instructions or contact your computer manufacturer for assistance before attempting the steps below.
  1. Follow the instructions of your computer to view the BIOS settings. These settings are sometimes called CMOS settings or system setup.
  2. To view the BIOS settings, press a key, such as F2 or Delete, just after you turn on the computer. Instructions often appear on the screen briefly when you turn on the computer. Also check the instructions and manuals provided with your computer.
  3. Look for USB Interface or a similar setting in the Advanced Setup, Peripheral Configuration or another section of your computer BIOS settings.
  4. Follow the onscreen instructions or read the computer documentation to enable the USB port.
  5. Follow the onscreen instructions to save the new settings and restart the computer.

  1. USB controller or root hub disabled in Windows Device Manager
  1. Right-click My Computer on the Windows desktop and then click Properties.
  2. Click the Device Manager tab. (On Windows 2000 and XP systems, click the Hardware tab and then the Device Manager button.)
  3. In the Device Manager list, click the + sign next to Universal serial bus controller.
  4. Click the line in the Device Manager containing the red X.
  5. Click the Properties button. (On Windows 2000 and XP systems, click Properties on the Action menu.)
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  7. Re-enable the USB device by clicking the Enable Device button and follow the onscreen instructions.

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1 Answer

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You will need to install the XP drivers for you model IBM, you can download them from the IBM website find the link to support and driver download. You could use the driver restore disk that came with your IBM "IF" it came with "XP" installed. BPCS

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2 Answers

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Hello,

 

 

I guess that this could be your error message:

"Error message when you wake up a Windows XP-based computer from hibernation or from standby: "Power Surge on Hub Port: A USB Device has exceeded the power limits of its hub port"

 

If it is the case, please try below solution:

 

SYMPTOMS

 

When you wake up a Microsoft Windows XP-based computer from hibernation or from standby, you may receive the following error message:

 

Power Surge on Hub Port: A USB Device has exceeded the power limits of its hub port. This error message is displayed even if there are no USB devices connected to the computer.   WORKAROUND loadTOCNode(1, 'workaround'); To work around this issue, disable the USB 2.0-enhanced host controller.

Note When you disable the USB 2.0-enhanced host controller, you lose USB 2.0 functionality. That is, you revert to USB 1.1 functionality.

To disable the USB 2.0-enhanced host controller, follow these steps: 1. Right-click My Computer, and then click Manage. 2. Under Computer Management (Local), click Device Manager. 3. In the Device Manager pane, expand Universal Serial Bus controllers. 4. Right-click the USB 2.0-enhanced host controller, and then click Disable.

Note The name of the USB 2.0-enhanced host controller may vary. 5. When you receive the confirmation message, click Yes. 6.

Close Device Manager.

 

 

I hope that this should resolve the issue for you.

 

 

Please let me know the result. 

 

you can mail me at thumuvikram@rediffmail.com for any further assistance on this issue.

 

I'll be glad to help you.

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