UGREEN USB C Ethernet Adapter 1000Mbps USB C LAN Adapter — Error codes & fixes

Troubleshooting guide for the UGREEN USB C Ethernet Adapter 1000Mbps USB C LAN Adapter. Diagnose an error code and find the fix.

Slow performance

slow-performance

The laptop is slow, often due to low storage, too many background apps, or insufficient RAM.

Source: UGREEN support — hub & dock troubleshooting Confidence: 80% Verified Aug 9, 2026
2 fixes available

Screen flickering

screen-flicker

The screen flickers, often due to a refresh rate issue, a loose cable, or a failing panel.

Source: UGREEN support — hub & dock troubleshooting Confidence: 75% Verified Aug 9, 2026
2 fixes available

Keyboard not working

keyboard-not-working

The gaming keyboard does not respond, often due to a driver issue or a connection problem.

Source: UGREEN support — hub & dock troubleshooting Confidence: 80% Verified Aug 9, 2026
2 fixes available

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