Hello,
Same problem here
System-SKU Surface_Book_3_1900
Prozessor Intel(R) Core(TM) i7-1065G7 CPU @ 1.30GHz, 1498 MHz, 4 Kern(e), 8 logische(r) Prozessor(en)
32 GB
Windows 10
Version 10.0.19042 Build 19042
I have mine connected to a Surface Dock with one external screens. All three screens (including the laptop screen) go black with the cursor still usable for a few seconds.
System Event Log
Display driver igfxn stopped responding and has successfully recovered.
Version 10.0.19042 Build 19042
THX 4 help