Ta Ronni.
I have passed this on to the young woman with the issue.

> On 27 Jul 2018, at 6:13 am, Ronda Brown <ro...@mac.com> wrote:
> 
> Hi Stephen,
> 
> NEVER & I repeat NEVER attempt a macOS Upgrade or Update installation without 
> being connected to power! 
> The same applies when doing a iOS update install.
> 
>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
> 
> 
> On 26 Jul 2018, at 10:26 pm, Stephen Chape <chap...@bigpond.com 
> <mailto:chap...@bigpond.com>> wrote:
> 
>> Thank you Ronni.
>> I found a solution online which seems to have worked.
>> She has taken her MacBook Air home now and has started it and is now 
>> charging it.
>> 
>> Problem was it would not even start.
>> She did not bring her Mag Power Cable with her.
>> So I printed instructions for her and sent her home to carry them out.
>> 
>> I have a suspicion that it was simply out of power !
>> 
>> 
>>> On 26 Jul 2018, at 10:09 pm, Ronni Brown <ro...@mac.com 
>>> <mailto:ro...@mac.com>> wrote:
>>> 
>>> Hi Stephen,
>>> 
>>> Without knowing what preparation was preformed and a backup done prior to 
>>> attempting the upgrade.
>>> The only thing I can suggest is to perhaps try this:
>>> 
>>> 1. Turn on your Mac, then immediately hold down Option- Command-R to boot 
>>> into macOS Recovery 
>>> <https://support.apple.com/en-us/HT201314?utm_campaign=website&utm_source=sendgrid%20email&utm_medium=email>,
>>>  and reinstall the operating system. 
>>> By using Option-Command-R  will Upgrade to the latest macOS that is 
>>> compatible with your Mac.**
>>> 
>>> 2. Release the keys when you see the Apple Logo or a spinning globe
>>> 
>>> 3. When you see the macOS utilities window, continue to the next section to 
>>> determine whether to erase your startup disk or begin installing macOS.
>>> 
>>> 4. Choose Reinstall macOS from the utilities window.
>>> 
>>> 5. Click Continue, then follow the onscreen instructions. You'll be asked 
>>> to select your disk. If you don't see it, click Show All Disks.
>>> 
>>> 6. Click Install. 
>>> Your Mac restarts after installation is complete. 
>>> 
>>> Cheers,
>>> Ronni
>>> 
>>> 13-inch MacBook Air (April 2014)
>>> 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
>>> 8GB 1600MHz LPDDR3 SDRAM
>>> 512GB PCIe-based Flash Storage
>>> 
>>> macOS High Sierra 10.13.6
>>> 
>>>> On 26 Jul 2018, at 5:06 pm, Stephen Chape <chap...@bigpond.com 
>>>> <mailto:chap...@bigpond.com>> wrote:
>>>> 
>>>> Hi folks.
>>>> 
>>>> A friend of mine has a 2016 MacBook.
>>>> She has today upgraded to the latest MacOS.
>>>> Unfortunately I do not know which OS was previously on it.
>>>> 
>>>> She tells me that when she starts up she gets a continuous black screen.
>>>> But she can hear activity happening.
>>>> I advised her to start up in Safe Mode, but the result was the same.
>>>> 
>>>> She is coming to visit me at 6:30 tonight.
>>>> Has anyone any ideas how we might resolve this please ?
>>>> 
>>>> Regards,
>>>> Stephen Chape
>>>> 
>>>> 
>> >
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Regards,
Stephen Chape






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