OS-2000 series Frequently Asked Questions

Please reinstall the driver for the license key using the following steps.

1. Download the latest license key driver (Sentinel Driver v7.6.1) from the address below to an appropriate folder on your computer.
   The file name to download is "Sentinel System Driver Installer 7.6.1.exe."

   THALS|Customer Support Portal Download Page (English) THALS|Customer Support Portal

   Sentinel System Driver 7.6.1 for Windows KB0016514
   Windows , 2.43 MB, Version 7.6.1, Released 2021-11-02

   "Click here to download file: DOW0002340"

2. Once the file "Sentinel System Driver Installer 7.6.1.exe" has been downloaded, I will extract the file.
3. Remove the USB license key from the computer.

4. Please execute 'Sentinel System Driver Installer 7.6.1.exe'.

   During installation, select 'Custom' for Setup Type and proceed with the installation. In the Custom Setup screen, please install both 'Parallel Driver' and 'USB System Driver'.

   If the maintenance menu (Modify, Repair, Remove) is displayed, please select 'Remove' to uninstall the driver, then restart the computer and run the installer again.

5. Please restart your computer after installation.
6. Please attach the UBS license key and confirm that the key is recognized.