Same issue here with a 27-inch Apple Thunderbolt display connected (via an adapter).
MacOS Monterey
Version 12.1
MacBook Pro (15-inc 2017)
Processor 3.1 GHz Quad-Core Intel Core i7
Memory 16GB 2133 MHz LPDDR3
Graphics Radeon Pro 560 4 GB
Topic:
App & System Services
SubTopic:
Core OS
Tags: