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USB to Serial Driver Installation Issues on Win7, Win8, and Win10

KB0154: USB to Serial Driver Installation Issues on Win7, Win8, and Win10


If you are using a USB to Serial adapter, Windows 7, Windows 8, or Windows 10 may try to install a newer version of the USB drivers each time the computer is rebooted. These newest drivers will not work properly with TimeVue or TimeSource. The wrong driver may cause a “Time Out in Clock# Check” during polling or a communication test.

To revert back to the proper driver, follow the instructions below:

  1. Click on the Windows “Start” button.
  2. Select “Control Panel”.
  3. Select “Hardware and Sound”.
  4. Under the “Devices and Printers” section, select the “Device Manager” link.
  5. In Device Manager, double-click on the Ports (COM & LPT1) icon.
  6. Look for an item labeled “USB to Serial Comm Port”.

  7. Right click on this item and choose “Properties”.
  8. Select the “Driver” tab in the properties window.
  9. Select the “Update Driver” button.

  10. Select the option “Let me pick from a list of device drivers on my computer.”
  11. If there are multiple selections in the list, choose the driver dated “2007” in the model description.
  12. Select the “Next” button.
  13. The drivers should install at this point.
  14. Close all of the Control Panel windows and try a communications test again in TimeVue or TimeSource.
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