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PC Troubleshooting the USB

How to troubleshoot a Windows PC USB.

  • Check the connections.

  • Installation - Always install the software for your USB device FIRST. Then plug in the USB device and allow Plug and Play to install the drivers.

  • Check error messages in Event Viewer. Start / Settings / Control Panel / Administrative Tools / Computer Management (or Event Viewer)

  • Check the power consumption - Use Device Manager. Use a powered hub if you have multiple devices (e.g. printers, scanners). The USB total consumption should be about 500 milliamps for a desktop and 250-300 milliamps for notebooks.

  • Turns off and locks up? Check the USB Version. USB V2.0 is backwards compatible with V1.1 but V1.1 will NOT work with V2.0 USB devices. Windows XP requires Service Pack 1 for USB V2.0.

  • Reset the BIOS (Re-boot and tap the F2 Key, Press F9 (Default Settings), Press F10 (Save and Exit). Some BIOS versionos have the default (F9 equivalent on the EXIT menu).

  • Uninstall and replace the drivers using Device Manager under Administrator Privileges - right click on My Computer / Properties / Hardware / Device Manager - expand USB line item. Right click on the items below and select uninstall drive on the pop-up menu. Re-boot the system and Plug and Play will automatically detect the USB device and re-install the drivers for you.

  • Uninstall the software - Add/Remove Programs/USB Product. Always install the software first before plugging the USB device in for the first time.

  • For Notebooks - perform a hard reset.

  • Perform an MSCONFIG if your computer has it.

  • Shut down all other applications to avoid conflicts. Remove all other hardware devices.

  • Turn the date back to the January 1, 2000 or an earlier date. There are known Y2K issues and driver bomb errors related to dates. If this solves the problem then get a new driver from the USB manufacturer or your oem manufacturer.

  • Perform a recovery. Ensure that you backup your data prior to doing a recovery.

  • If the problem persists then send in for service.
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