fan-noise Troubleshooting

Loud fan / rattling noise on the UGREEN USB C Ethernet Adapter 1000Mbps USB C LAN Adapter Netzwerkadapter | USB C auf LAN RJ45 Thunderbolt. Plug&Play, Stabile Verbindung, Alugehäuse. Kompatibel mit iPhone 17/iPad/MacBook/Steam Deck

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

The fan is unusually loud or rattles, often from a blocked intake or a loose component.

How to fix Loud fan / rattling noise

Clean the fan

Clean the cooling fan and vents to remove dust.

Source: UGREEN support — hub & dock troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★★ Est. 20 min

Reduce load

Close heavy applications to reduce fan speed.

Source: UGREEN support — hub & dock troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 5 min

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