I recently purchased the TB16 dock and I am using it in combination with a XPs13 9350.
I updated all drivers, bios, ...
I also tried the "siwtching off wireless" suggestion already
Problem is, the monitor goes blank several times each day.
Any suggestions ? Any fixes ?
Please click on link below, hopefully it will be a help to you.
How to Use and Troubleshoot the Dell Thunderbolt Dock ...