I searched on the internet and found quite a few posts where people were stuck on this screen (for Mint or Ubuntu), but none of them seem to have a clear resolution. So this is at least somewhat common but there's no idea what causes it. What is happening behind-the-scenes during this early part of the process that would cause the installation to lock with a spinwheel? Especially on a PC that installed 17.1 previously (but now can't) and on which I can currently install Xubuntu? I really wanted to use Mint but it just won't install. Any ideas? Disclaimer: I'm sure it's something simple that I'm missing.
