How to Install Serial Port Drivers for Production Models Q1/Q2/Q3

Driver Compatibility:

This guide covers the installation of serial port drivers for the Q1, Q2, and Q3 series production models.

Driver Downloads:

• For Windows 7 and Windows 10:
  • Download Driver for Windows 7 and 10
• For Windows XP:
  • Download Driver for Windows XP
• For Ubuntu:
  • Download Driver for Ubuntu

Specifications:

Detailed specifications for installing the serial port driver for production models Q1/Q2 can be found here.

Frequently Asked Questions (FAQ):

Issue: Driver Signature Error in Windows 7

• Problem Description:

In some Windows 7 systems, especially after 2018, installing drivers might result in a yellow exclamation mark in the device manager with the error message: "The digital signature of the driver required for this device cannot be verified, code 52." This issue occurs due to the lack of a system security patch supporting SHA256 signatures.

• Solutions:

1. For Windows 7 without SP1:
   • Download and update the patch KB976932: KB976932 Patch
   • Proceed to install the driver, then goto step 2.
2. For Windows 7 with SP1:
   • Download and update the patch KB4474419: KB4474419 Patch
   • Then proceed to install the driver.

For further information or assistance, please refer to our detailed documentation or contact our technical support team.