If it is an MBP11,1, also have a look at https://forums.macrumors.com/thread...unsupported-macs-thread.2391630/post-32665367New question, different Mac (11,1) already running Monterey via OCLP.
I see that OCLP 1.1 support for Sonoma lists Kepler GPU compatibility as:
Is this exhaustive for Kepler support or is the K2100M also supported for Sonoma?
- Kepler (GTX 6xx, GTX 7xx)
There could be leftover kexts in /Library/Extensions which are cleared by 1.2 nightlies not 1.1.