Update Drivers after Windows Update 

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Posted on Wednesday February 17, 2021


Systems installed prior to 2018 will not have signed drivers. Install these drivers after a Windows update to ensure proper communications between your hardware and software.


To update driver software:


1. Download signed drivers from the Software Setup Page. This is a secure page, ask your Diagnosys representative for the password, or fill out the form at the bottom of this article.

2. Unzip the file and paste it into C:/Multifocal/USB Drivers.

3. Open Windows Device Manager then select Ports drop-down.

4. Right click on Diagnosys Serial Port, choose Update Driver.

5. Choose to Browse your computer for the new driver software files.

6. Navigate to C:/Multifocal/USB Drivers. Select the folder, then click OK and Next.

7. Repeat steps 4 – 6 for both Diagnosys Serial Ports listed.


Close Device Manager. Open the software for testing!