Big Sur update and computer password issue

For some users upgrading to Big Sur makes their computer password not work for installs and changes. This site has the fixes to try. So far the fixes have varied for people. https://appletoolbox.com/cant-enter-your-password-in-macos-big-sur-heres-how-to-fix-it/ Step 1. Update to the latest version of macOS Step 2. Perform an SMC reset Step 3. Reset the administrator account using Terminal

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