Hi @sjo114, let me clarify this thing:
1/ The unstaking process may last for many days. When it is done, you will receive a notification “Unstaking Successful” as you had.
2/ The color of the Node is gray. Node is not found on Node watcher because your Node is no longer in the Validator pool.
3/ Rewards/ Earnings of the last cycle are withdrawn automatically to the funder wallet. This process will last about 10 - 15 minutes.
4/ All done. “Stake” button appears, so you can put your own 1750 PRV to stake.
There should have a short period between 2/ and 4/. So the confusion is the gray color (generally indicates the offline status) but the “stake” button does not appear in time.
Glad to know that you were able to self-stake your Node. Have a good day!