well this is wierd....
The following packages will be REMOVED
nvidia-compute-utils-525* nvidia-compute-utils-535-server*
nvidia-dkms-525-open* nvidia-dkms-535-server-open* nvidia-kernel-common-525*
nvidia-kernel-common-535-server* nvidia-prime* nvidia-settings*
0 to upgrade, 0 to newly install, 8 to remove and 5 not to upgrade.
After this operation, 52.2 kB disk space will be freed.
Do you want to continue? [Y/n]
both nvidia-535-server-open and nvidia-525-open were installed but not purged and each is 400+ MB, i can swap to them without needing to redownload them (i know since it takes a few hrs for me to download them
0 to upgrade, 19 to newly install, 0 to remove and 5 not to upgrade.
Need to get 36.5 MB/312 MB of archives.
After this operation, 911 MB of additional disk space will be used.