John Rudkin Said:
"MacBook startup problem?: Starting IUK my MacBook this morning ended up with a failure and the result, a message saying the failure was identified and shows a flashing folder with a question mark and a web page address for 'support.Apple.com/Mac/startup'. Explored the web page, disk utility etc but no joy! Any possible way to get this MacBook alive again?"
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Troubleshooting a Mac with a Question Mark:
Three Things...
1. Go here:Â If a Flashing Question Mark Appears when you Start your Mac - Apple Support
II. Mount the Drive:
Boot into Recovery Mode (Hold Down: [Command + R] upon boot). Then, using Disk Utility, see if the Hard Drive is seem. If it is, then see if you need to click the “Mount’ button for it. Try rebooting once more. If of no success, then click unmount button, and then the mount button. Try rebooting once more.
III. If Neither of the Above Works...
Reinstall the macOS:
Go Here: How to reinstall macOS from macOS Recovery - Apple Support. Important: Be certain to create a backup of your Mac prior to all of this. That way, you can have something to restore from the Mac from, should anything go wrong with the reinstall. Once reinstalled, try this once mor