UGREEN LAN Switch Gigabit Netzwerk Switch — Error codes & fixes
Troubleshooting guide for the UGREEN LAN Switch Gigabit Netzwerk Switch. Diagnose an error code and find the fix.
Wi-Fi not working
no-wifiThe laptop cannot connect to Wi-Fi, often due to a driver issue or a disabled adapter.
Source: UGREEN support — hub & dock troubleshooting
Confidence: 80%
Verified Aug 9, 2026
Slow performance
slow-performanceThe 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
Screen flickering
screen-flickerThe 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
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