My apologies. I mis understood your problem. 

I didn’t realise your computer is now functioning correctly. 

Stephen’s answer seems reasonable. I didn’t know time machine could back up 
data from three computers to one external drive. 



Tim Law

> On 5 Jun 2021, at 1:16 am, Stephen Chape <[email protected]> wrote:
> 
> Hi Rosemary.
> 
> If this was me, I would use Disk Utility to Erase my Time Machine backup.
> Then start from scratch.
> 
> But that depends on if you are happy to lose that data.
> 
>> On 4 Jun 2021, at 11:30 am, Tim Law <[email protected]> wrote:
>> 
>> I believe you’re asking for help To deal with the problem of the computer 
>> shutting down. 
>> 
>> We’re trying to help you with the next step. 
>> 
>> 
>> 
>> Tim Law
>> 
>>>> On 4 Jun 2021, at 10:57 am, Rosemary Spark <[email protected]> wrote:
>>>> 
>>> 
>>> Hi,
>>> Not sure what you mean. What is was doing was shutting down and re-starting 
>>> by itself. 
>>> One complication is that the time machine is backing up 3 computers.
>>> Cheers
>>> 
>>> Rosemary Spark
>>> PO Box 781
>>> South Fremantle WA 6162 Australia
>>> Phone: + 61 ‭8 6397 6822‬
>>> Mobile: 0414268043
>>> 
>>> 
>>> 
>>> 
>>>> On Fri, 4 Jun 2021 at 10:12, Tim Law <[email protected]> wrote:
>>>> Disconnect your time machine and protect it from fiddling and temptation
>>>> 
>>>> It is your rescue line and might be your only connection to your former 
>>>> life.  
>>>> 
>>>> Focus on getting the computer going. Does it restart if you hold the shift 
>>>> key down?
>>>> 
>>>> Tim Law
>>>> 
>>>>>> On 4 Jun 2021, at 9:46 am, Rosemary Spark <[email protected]> wrote:
>>>>>> 
>>>>> 
>>>>> OK. My computer kept re-starting. Very annoying
>>>>> Finally got to testing.
>>>>> Turned off Time Machine as someone suggested...now no re-starting.
>>>>> Now what do I do?
>>>>> If the files are corrupt, how do I fix? Do I delete the whole backup? if 
>>>>> so, how?
>>>>> 
>>>>> MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports)
>>>>> Big Sur 11.4
>>>>> 
>>>>> Cheers
>>>>> 
>>>>> Rosemary Spark
>>>>> PO Box 781
>>>>> South Fremantle WA 6162 Australia
>>>>> Phone: + 61 ‭8 6397 6822‬
>>>>> Mobile: 0414268043
>>>>> 
>>>>> 
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> 
> 
> Regards
> Stephen Chape
> 
> Mac by choice
> Windows because my employer knew no better
> 
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