Why does the CAN-IB300/400/PCIe appear in the device manager with a yellow exclamation mark?

14 May 2025
This article explains how to improve the detection of the CAN-IB300/400/PCIe by disabling PCI Express Native Control.

 

APPLICABLE PRODUCTS

CAN-IB300/PCI, CAN-IB400/PCI

QUESTION

Why does the CAN-IB300/400/PCIe appear in the device manager with a yellow exclamation mark?

 

ANSWER

Please deactivate PCI Express Native Control. You can request a corresponding BAT file and instructions from the technical support department.