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mac 10.15.

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    iMac-not-booting

    Hi, My iMac (Catalina 10.15) stopped working. The issue is, I have scheduled downloading files. The files have eaten up the memory in the iMac I suppose. So, I am not sure how to get the iMac to run. I tried to reboot and pressed Command+R etc. Nothing happens. Any help will be greatly...