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USB LAN Issue on Apple macOS Catalina (10.15) / Big Sur (11)

1. The Issue

Having the LAN adapter connected while in Sleep Mode causes network slowdowns due to a bug with the USB LAN adapter's OS built-in network driver.

OS : macOS Catalina (10.15), Big Sur (11.0-11.2)
Monitor : FlexScan EV3895, EV2795, EV2495


2. Solution

Please update the macOS to Big Sur (11.3) or newer to solve this issue.

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