Hi Adam,

Have you got Time Machine backing up hourly?

Kind Regards,
Ronni

 Ronni Brown’s iPad Pro 12.9-inch 256GB 


> On 6 Jun 2020, at 9:39 pm, Adam Lippiatt <[email protected]> wrote:
> 
> Hi all
> 
> I am having trouble getting my 27 inch late 2013 iMac (running 10.15.5, but 
> was happening 10.15.4) to go to sleep.
> 
> I have tried the usual things like ejecting external drives, unplugging them 
> and plugging them back in.
> 
> Zapping the PRAM.
> 
> I had this problem a year or two ago and the ejecting and reconnecting the 
> drives did the trick but not this time.
> 
> Apple says something else to try is to “update the firmware” on the external 
> drive.  I am not sure I have ever had any luck finding firmware for drives.  
> 
> I have looked at the processes preventing sleep and there are a number of 
> them.  This list goes up and down but never seems to get to zero.
> 
> useractivityd
> sharingd
> apfsd    
> hidd    
> cupsd    
> backupd-helper    
> backupd    4
> mds_stores
> 
> Does anyone have any thoughts?
> 
> Thanks
> 
> Adam
> 
> 
> 
> 
> 
> _____________________
> Adam Lippiatt
> [email protected]
> 0402 301 706
> 
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