“Dell UD22 Dock HDMI Port Dies After Firmware Update — $140 Dock Bricked by a Patch You Can’t Downgrade”: Difference between revisions
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Dell UD22 dock: HDMI port dies after mandatory firmware update A07 (Oct-2025). HDMI is NOT DisplayLink; it’s a separate Synaptics retimer that Dell admits is firmware-broken yet offers no Windows driver and no downgrade. Users stuck with a dead port on a $140 business dock. | Dell UD22 dock: HDMI port dies after mandatory firmware update A07 (Oct-2025). HDMI is NOT DisplayLink; it’s a separate Synaptics retimer that Dell admits is firmware-broken yet offers no Windows driver and no downgrade. Users stuck with a dead port on a $140 business dock. | ||