Would be nice to get a photo from under the GPU, commonly the mobo model names are written there. Other than that, what wattage is your friend’s PSU rated for? Maybe the PSU just isn’t powerful enough to run safely?

Another possibility could be that the CPU also got stolen, they should check under the cooler to see if the CPU is in place

In the MIC, it doesn’t matter what your pronouns are, as long as you can develop things that can effectively turn others’ pronouns into was/were