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CausesOfProblem06

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Michael J. Casimir

The Computer System Does Not Support USB Devices

The first step in troubleshooting problems with USB devices is to determine whether the computer can actually support these kinds of devices. The most easiest and practical way of determining this requirement, is to figure out wether other USB devices are connected to the same computer. If there are other USB devices attached, and properly working with the operating system, your system fully supports USB.

The other option to determine this requirement is to use a software application that will run a quick check to determine the USB capabilities of the computer.

Screenshot Image of the Intel USB System Check Utility

The program Intel USB System Check™ released and supported by the Intel corporation will allow you to run a quick scan of your computer to determine USB capability.

Click here to download USB Ready from the Technology World download database.

The software will notify you if the system cannot pass the basic test. If this is the case your system may not fully support USB devices, or there is a software comaptibility problem with your USB controller and the operating system being used.


The USB Host Controller Device In The PC Might Be Malfunctioning

Screenshot Image of the Intel USB System Check Utility

This problem may also be caused by a corrupted device driver file that governs the way USB devices in your system operate. This symptom will be clearly shown in the Windows device manager via an exclamation point or red X within the actual device normally labelled with the phrase "Host Controller". The screenshot illustrated above shows how a USB controller device operates in my PC.

In this instance, an Intel based controller is being used because the mainboard is of an Intel brand. For your reference, the steps below will help you access the Windows device manager to determine the status of your USB devices.

You can see if there are any devices not working properly by accessing the Device Manager screen in the Control Panel. Here's how:

( a ) Left click the Start button.

( b ) Left click Control Panel.

( c ) Double left click the System icon.

( d ) Left click the Hardware tab.

( e ) Left click the device manager button. This will load the Windows device manager and display a screen telling you about the hardware in your system. Scroll down to the section labelled Universal serial bus controllers and ensure all devices are functioning properly and that nothing as an exclamation point or red X in them.

Additionally, if any components are shown with a red X or yellow exclamation point, you will need to reinstall the drivers for the USB Host controller and/or the drivers for the actual USB device. Normally USB flash drives do not require any driver support, so you will want to reinstall the USB host controller drivers only.

Click here for a complete walk-through on how to reinstall USB device drivers for a Linksys based Ethernet network controller.



The Operating System May Not Be Windows XP Service Pack 2 Or Newer Which May Cause A Problem When Trying Getting USB Devices To Initialize Properly.

How to check if Windows XP Service Pack 2 is installed in the PC.

Quite often USB devices not functioning properly is a result of an older operating system being used. Older operating systems may not have the required updates and patches that enhance the overall performance and efficiency of a computer.

In this instance, Windows XP Service Pack 2 is required for Windows to properly recognize USB devices.

To check the Service Pack installed in your computer follow the steps listed below.

( a ) Left click the Start button.

( b ) Left click Control Panel.

( c ) Double left click the System icon.

The system properties window will be shown displaying the version of Windows installed in the PC. It will also show whether a service pack has been applied to the operating system files.

If anything other than Service Pack 2 is listed on your screen you will need to update your computer by going to the Microsoft Windows Update website. The instructions listed below will help you get to the Microsoft Windows update website.

( 1 ) Open Internet Explorer  

( a ) Left click Start.

( b ) Left click Run.

( c ) In the open box type iexplore and press Enter or left click the OK button.

( d ) This will load the Internet Explorer main program interface.

   
   
   

 

 

 


( 2 ) Load the Windows Update Website To Determine If Service Pack 2 Is Available To Install

( e ) Left click the tools menu and from the drop down menu select the menu item Windows update command.

( f ) This will proceed to load the Microsoft Windows Update website. Simply follow the instructions to determine if Service Pack 2 is an available update.

 

The USB flash drive itself is defective.

Other USB devices installed within the system are conflicting with the USB flash drive.

 

 

 

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How To Effectively Troubleshoot USB Flash DrivesCausesOfProblem03Windows XP Service Pack 2 December 16, 2006 December 16, 2006EditRegion23Compaq

This document will help the end user troubleshoot common causes for this removable drive problem. This type of problem may be caused by any number of reasons including the following:

  1. The Computer System Does Not Support USB Devices.
  2. The USB Host Controller Device In The PC Might Be Malfunctioning.
  3. The USB flash drive itself is defective.
  4. Other USB devices installed within the system are conflicting with the USB flash drive.
  5. The operating system may not be Windows XP service pack 2 or newer which may cause a problem when trying getting USB devices to initialize properly.
PCEditRegion21EditRegion22256 MB DDR2 Intel Celeron D 330
Term Definition
Universal Serial Bus Universal Serial Bus (USB) is a high speed type of interface used to connect peripheral devices to a PC. External hard disk drives, mice, keyboards, and network adapters can all utilize a USB connection.
USB Host Controller Driver The USB Host Controller Driver is a set of required files that govern how the USB in a particular computer functions. Windows XP Service Pack 2 provides built in support for USB eliminating the need for a third party USB device driver.
   
   

CausesOfProblem01

This troubleshooting document and the troubleshooting steps were produced on a machine with the following specifications. While attempting to access files on a removable USB based flash drive, nothing happens. Windows will not recognize the drive nor can any files be accessed through Windows Explorer.
Troubleshooting
Flash Drives
USB Devices
CausesOfProblem07CausesOfProblem04AppliesToRelated documents and learning materials
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