Dell WD19TBS Mouse Lag: Firmware Update Fixed Every Device
TL;DR: If you’re chasing WD19TBS mouse lag, try the Dell Dock Firmware Update Utility before anything else. My dock was stuttering on every device I plugged in: a Dell laptop, a Samsung Galaxy S23 Ultra, a MacBook, and my Lenovo Legion 7. Running the utility fixed it. The updater showed only one component actually changed: the dock’s embedded controller, 01.01.00.14 to 01.01.00.15. The mouse cursor stopped stuttering! 💪 The Issues Any device I connected to my Dell thunderbolt dock would