fan-noise Troubleshooting

Loud fan / rattling noise on the UGREEN 240W USB-C Kabel mit Digital Display PD3.1 Schnellladekabel | USB-C auf USB-C Kabelmit Ladeleistungsanzeige und E-Marker für iPhone 17/16 Serie, Galaxy S26, MacBook, iPad Pro usw. (1 M)

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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