Wow ok, my personal laptop's so slow I needed to increase the TDR so Unity would open HDRP default outdoor scene on boot... 😂

Which I did via regedit

https://learn.microsoft.com/en-us/windows-hardware/drivers/display/tdr-registry-keys

Note the pronounced stall when the viewport first initialized

Testing and debugging TDR during driver development - Windows drivers

TDR testing and debugging information for developers