cscs
2
Do you want to rant or do you want help?
Sounds like you have a hybrid system iGPU+dGPU and you are plugging in to the dGPU, while only the iGPU is enabled by default.
For some reason there have been about a dozen recent threads on the same issue … so look at those.
If you also dont understand how hybrid systems work and/or PRIME … then heres the wiki: