I would suggest to try your best to make sure no function keys/caps lock are being pressed. Even try on a different computer if you can to isolate the issue just in case.
The default password is moneyprintergobrrr with no spaces
We can continue to troubleshoot any other issues, but if your password is not working/forgotten the only way to reset it is to do a clean install as per our official FAQ under “Resetting Your Umbrel Password” here: Official Umbrel Troubleshooting Guide and FAQ
When you try to navigate to your http://umbrel.local dashboard are you getting any type of error, or when you attempt to SSH are you receiving a specific error? Are you on a Rasperry Pi 4 or Linux? One thing I always mention is if you’re on Rasperry Pi 4 and your green light is not flashing it is likely your MicroSD card is not being read properly and you would need to reflash the MicroSD card to resolve.
Let me know what you’ve tried so far and happy to further assist!