Strange Line when Cursor changes from Pointer to Text Select - 4k Display (Dell U2718Q) on Surface Laptop 3 with Surface Dock

  • Thread starter Thread starter cyntacks
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cyntacks

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Hi,


Please see attached image. This appears to only happen in a web browser (IE, Edge, Firefox, doesn't matter, they all do it). When the mouse transitions from the "arrow pointer" to the "text select" cursor, a strange black line appears under the cursor.


As one can see in the below image, the line is associated with the cursor, and NOT the text (e.g. this is NOT related to hyperlinks). This only occurs when using the 4k Display plugged-in via the Surface Dock using. It happen with an external mouse OR track pad.


My Setup:

Surface Laptop 13 inch, 16GB or RAM and 512 SSD.​

Surface Dock​

Mouse or Trackpad (Logitech G403, G703, Generic Microsoft USB mouse, plugged int via USB port OR surface dock)​

Dell U27Q18 4k display over displayport​


Drivers for mice, trackpads, and Dell U27Q18 have been uninstalled and reinstalled.​


Picture


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