Accidental Mac operating system deletion
My mac got a virus from my daughters playing games on it. I reset it and somehow erased the operating system. When I power on it's blank. How do I fix it?
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Question marked as
There are no viruses that affect your mac, so you overreacted by erasing your mac.
your daughters may have downloaded malware/ adware which can easily be dealt
with by installing and running https://www.malwarebytes.com/mac/
Have you been making regular backups then you can restore your mac from
the backup.
If you have not been making regular backups you will need to reinstall
the OS through the Recovery Servers.