Each time switching KVM to direct access again shows no video at all. ![]() Since the install the GUI has locked up twice. Ubuntu 20.04 LTS was installed on it 11/23/21 and all packages were then upgraded. Its specs are the same, except it has a larger HD and no production data. A second machine (the intended backup for first machine) is now beginning to show the same problems.TTY is not available (Control - Option - F3 does nothing).(No difference if I choose “Ubuntu” at this point.) Immediately the screens changes to black with only a solid cursor in the upper left quadrant, NOT in the far upper left. Now the boot process starts out well: GRUB menu comes up and waits the 10 seconds per its configuration.Over the next few weeks, the problem would occasionally come up. ‘Used the Mac Mini power button to force quit the machine, then restarted. I switched the KVM for direct access but my monitor did not detect any signal at all from the problem computer. All was well for weeks until the GUI locked up in VNC window.GUI accessed using VNC from another Mac, (vino installed on problem machines).Install: August 2021, upgraded all packages at that time but never upgraded since. ![]() ![]() Machine: Mac Mini (late 2009, Macmini3,1) with Ubuntu 20.04 LTS as only OS (only one partition).
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