Question about Intel Motherboard

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Problem yet not solved i.e usb not detected on any port and without usb installed, an unknown device is indicate,

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Is the USB showing yellow mark on Device Manager entries. When you connect any device to USB does it show any device??

If not, then it might be the USB chips failure on your MoBo and need to replace.

Otherwise, go to Intel support site and download all the updated drivers for your MoBo.

http://downloadcenter.intel.com/

Posted on Feb 24, 2009

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My laptop with windows 7 all of a sudden cannot detect any usb? indication at device manager, usb host controller, there's an unknown device??can u help me what to do?


hi.
the Driver of USB Controller is deleted (by a virus or something like that)
and you need to install some drivers.
so put the motherboard driver Disk in your drive and try to update the unknown device in your Device manager
or install complete drivers of the Disk.

Jan 29, 2011 | Microsoft Computers & Internet

1 Answer

My mouse doesnt get detected on my system. please help


Instructions
  1. 1

    Turn off your computer.

  2. 2

    Unplug the power supply, remove your laptop batter, and wait at least 30 minutes before returning the battery and power chord to the laptop. As explained by Trouble Fixers, a cache of data from your USB device is stored on the motherboard. This cache is not completely erased until the motherboard fully discharges following power-down. Once the cache is cleared, most USB errors will be fixed.

  3. 3

    Turn on your laptop computer.

  4. 4

    Try to use the malfunctioning USB port. In most cases, simply turning off and unplugging the laptop will help remedy the problem. If a problem persists, continue with Step 5.

  5. 5

    Click on the "Start Menu."

  6. 6

    Click to open the "Control Panel."

  7. 7

    Click on "System and Maintenance."

  8. 8

    Click on the "Device Manager." A new window will open that lists all hardware and external devices currently installed on your laptop computer.

  9. 9

    Scroll the list until you notice the heading "USB Root Hub." Click on this option.

  10. 10

    Select the USB port that reads "Unknown Device." All other, functioning USB ports should say "unused port" or list a specific external USB device.

  11. 11

    Right-click on the Unknown Device port and then select "Update Driver." According to the tech-help website, Amit Bhawani, this will trigger an automatic update of the USB drivers. If no new drivers are found, the old driver will also refresh and repair. In many cases, a malfunctioning port is simply caused by outdated driver software. With the latest drivers, your port can be used with current USB devices without any problems. If problems do reoccur, then the port may be physically damaged and you'll need to take the laptop computer to a computer repair technician to get a new USB port installed

  12. to forget to leave your comment and testimony

Oct 05, 2010 | Computers & Internet

1 Answer

The usb ports don't work


Click Start
Right-mouse click My Computer
Click Properties
Click Hardware
Click Device Manager

Are your USB ports showing as "detected" (or "unknown device") and "enabled" ?

Did you install Windows from the CD-ROM set supplied by Toshiba? Windows XP? Vista? 7?

Aug 05, 2010 | Toshiba Satellite A105-S1712 Notebook

1 Answer

Usb ports no communication with compurter but supplies power. what is wrong ?


Click Start
Click Control Panel
Click Classic View
Click System
Click Hardware
Click Device Manager

Does the 'USB' branch of the tree show the USB ports?
Is there an 'Unknown Devices' branch of the tree?

Either way, the software "device-drivers" for the USB ports are not installed, or not installed correctly, and so you'll get the symptoms that you've observed -- power without device-recognition.

Access http://support.dell.com and click "Detect My Computer", and download and install the device-drivers for the USB ports.

Dec 30, 2009 | Dell Dimension 4600C PC Desktop

1 Answer

Usb mass storage is detected unknown device the device is mallfunction...etc


right click on my computer>>manage>>device maneger>>universal serial bus controler>
from here you can reinstall driver or update driver.


hope so your problem will solve

Nov 09, 2009 | GE JASCO (HO97878) 4-Port USB Hub

2 Answers

Front panel connector J16 dell dimension 2350


Visit http://support.dell.com select your product and download user manual and maintenance manual. It may solve your problem.

Jul 15, 2009 | Computers & Internet

1 Answer

Windows does not recognize USB connection to the SpeedStream 6520- malfanctioning


try using different USB port. if the it is unknown device. means the machine didn't recognized the device. you may have to install the device driver. (windows is a funny thing).

Nov 05, 2008 | Siemens SpeedStream Modem (4100) (SS4100)

1 Answer

MY COMPUTER CANNOT DETECT MY USB


open control panel..go to system..device manager..usb is usually at the bottom..remove them all, and then scan for hardware changes..should do the trick..

Oct 27, 2008 | Transcend 4GB JetFlash 110 USB 2.0 Flash...

1 Answer

RE:HP P2015


  1. THERE MAY BE THE PROBLEM WITH USB DRIVERS IN UR PC .
  2. TO RECTIFY --- RIGHT CLICK THE MY COMPUTER ICON
  3. CLICK PROPERTIES AND THEN CLICK HARDWARE N GO TO DEVICE MANAGER
  4. UNINSTALL ALL USB PORTS AND THEN SCAN FOR HARD WARE CHANGES
  5. UR PC WILL DETECT UR PRINTER N ASK FOR PRINTER DRIVERS
  6. RELOAD DRIVERS N UR PC WILL COMMNICATE WITH UR PRINTER.
  7. FOR FURTHER ASSISTANCE FEEL FREE TO ASK AND WISH U SUCCESS -BYE

Jun 03, 2008 | HP LaserJet P2015dn Printer

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