macos - Not seeing my HD in the disk utility - Ask Different

I tried to start up my computer and got a flashing file with a question mark. So I held down the ⌥-key on boot and brought it into recovery-mode. After going through the different options I went

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macos - How to fix Disk Utility, About This Mac, and Finder that disagree on hard drive space usage? - Ask Different

How to install macOS Sonoma on a different partition of your Mac