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From: David Brooks <BDB@nomail.afraid.org>
Newsgroups: alt.computer.workshop,comp.sys.mac.system
Subject: Re: What does "Reinstall macOS" do, exactly?
Date: Sun, 18 Aug 2024 22:42:09 +0100
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On 18/08/2024 22:06, pothead wrote:
> On 2024-08-18, David Brooks <BDB@nomail.afraid.org> wrote:
>> On 18/08/2024 21:17, pothead wrote:
>>> On 2024-08-18, David Brooks <BDB@nomail.afraid.org> wrote:
>>>> //I was recently having some problems with iTunes, and decided to
>>>> reinstall macOS Sierra. I held Command+R on startup and clicked on
>>>> "Reinstall macOS" without erasing the hard drive in Disk Utility. Once
>>>> the reinstall was complete, I started back up and all of my files and
>>>> programs were still there, along with my settings, desktop wallpaper,
>>>> and everything else. (The iTunes problems were fixed.)//
>>>>
>>>> What exactly does this "Reinstall" feature do, if it doesn't remove
>>>> programs and change settings to default?//
>>>>
>>>> Here are answers on-line:-
>>>> https://apple.stackexchange.com/questions/276766/what-does-reinstall-macos-do-exactly
>>>>
>>>> How would YOU have answered the OP's question?
>>>
>>> That article is from 7 years ago.
>>
>> So? Why does that matter?
> 
> Because technology changes rapidly.

This part of macOS has NOT changed at all. How many folk realise that
reinstalling the macOS will NOT eradicate any previously installed malware?