Alan Siu's Blog

Tag: recovery mode

  • A way to install macOS Catalina guest on VirtualBox on a Mac host

    Why this blog post? I won’t say this is the way to install macOS Catalina on VirtualBox, but it’s certainly a way, and it’s difficult to find information about a way to do it. There are a lot of posts indicating that 10.15 or 10.15.1 worked but 10.15.2 and beyond don’t. Or that there are…

  • What can you do at the password prompt in Catalina’s recovery mode?

    The mysterious password prompt Starting in macOS 10.15 (Catalina), Apple started requiring a password to do anything useful after booting into recovery mode: It’s not exactly clear what this password is for. T2-chip Macs have hardware-based encryption, and that encryption is able to turn on instantaneously. Without mounting the encrypted drive, you can’t really reset…