Were you able to start up the Mac from macOS Recovery and then proceed to
use Disk Utility on the unmounted system? (this would probably use Internet to
access Disk Utility. Or the recovery partition on the Mac's drive, if HD is OK)
There are a few other steps one may do, and hopefully your Mac had an external
USB backup on 'Time Machine' with a dedicated storage drive for that purpose.
(Done as a preventative measure ~ Time Machine can set as automatic feature.)
With backup, you could restore the Mac's drive content; even if the original drive
failed and were replaced. An authorized Service suggests you have backups prior
to submitting your computer for inspection and repair.
[You may contact official Apple support and check details on how to arrange
a repair. Depending on location or region, they could offer "send-in" service.]
I've either had backups (time machine or manual) and at times, boot-capable
full system Clones. Those can run a Mac from an external drive; on better type
of backup within a powered enclosure. Usually with higher speed connections.
An appointment to have the Mac inspected and estimated cost, given by an
official Apple service specialist, or an authorized Apple service; then proceed
to have the unit repaired, or replaced, etc. (per assessment.)
• Apple Repair and Repair Status Check - Official Apple Support
https://support.apple.com/repair
• Contact Apple for support and service - Apple Support*
https://support.apple.com/en-us/HT201232
" *Before you call, have your serial number ready
or start your support request online and we'll
connect you to an expert." ~ from above article.
• Genius Bar Reservation and Apple Support Options - Apple
https://www.apple.com/retail/geniusbar/
(two sections: software + hardware)
Time wasted here, looking into browser bookmarks for Apple links!
You could arrange for a repair not under warranty; ask about their
'send-in' service, if your nearby official Apple repair is limited now.
Those can go to a repair depot; not to local Apple Store.
• Repair Provider Verification - Official Apple Support
https://support.apple.com/repair/verify-repair-provider
Well, I've outdoor things to do here. Been watching unseasonable
Wx happen, & upkeep is alot like unpaid work. Easier to sit here, not
get paid; rather than drudge outside house w/ snow-tools, + ladder.
{Least there's no commute; to try & keep overhead roof from falling.}
🌞🌿⛵️🌤🎣🤖🏕🐝⛄️🌻
