Hello Ronni, 

Once again you have identified the cause of the problem - with the solution 
attached. 

Yet again - thank you very much.

Cheers,

Graham 


> On 3 Jan 2018, at 8:02 pm, Ronni Brown <ro...@mac.com> wrote:
> 
> Hello again Graham before I sign off for the day.
> 
> If you still experience problems… it could be a sleep issue.
> There are a number of reasons why your Mac won’t recognise a drive. 
> If you have a drive already mounted and your system goes to sleep, it also 
> powers down ports, including USB ports. 
> When you wake your Mac up, for whatever reason, your external drive does not 
> wake up.
> 
> Sometimes relaunching the Finder might help.
> To Relaunch Finder: Hold ‘Option’ Key on Finder icon in Dock select 
> ‘Relaunch’. 
> 
> With my USB Thumb drives I prefer to always eject them safely after I’ve 
> finished using them because not doing so risks damage to the data on the 
> thumb drive.
> 
> It’s a good idea to get in the habit of removing your media drives safely. It 
> doesn’t always happen, but if you fail to remove your drives properly while 
> they’re busy doing something, you might just mess something up on the drive 
> itself.
> 
> Cheers,
> Ronni
> 
>> On 3 Jan 2018, at 5:42 pm, Graham Rabe <gra...@rabe.com.au 
>> <mailto:gra...@rabe.com.au>> wrote:
>> 
>> Hello Ronni,
>> 
>> Thanks for your help.
>> 
>> Cheers,
>> 
>> Graham 
>> 
>>> On 3 Jan 2018, at 5:12 pm, Ronda Brown <ro...@mac.com 
>>> <mailto:ro...@mac.com>> wrote:
>>> 
>>> Hello Graham,
>>> 
>>> In Finder Preferences > General - New Finder windows show: graham (or 
>>> whatever your home user account name is).
>>> 
>>> Cheers,
>>> Ronni
>>> 
>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>> 
>>> 
>>> On 3 Jan 2018, at 4:51 pm, Graham Rabe <gra...@rabe.com.au 
>>> <mailto:gra...@rabe.com.au>> wrote:
>>> 
>>>> Hello Ronni,
>>>> 
>>>> Yes - all those are there - but the problem is that sometimes when some 
>>>> USB devices are actually connected, they are not shown under Devices in 
>>>> the Finder sidebar nor are any of those items ever on the Desktop - never 
>>>> have been. 
>>>> 
>>>> In Finder Preferences > General, there is another item below that headed 
>>>> “New Finder windows show” and then I can choose one from the following:  
>>>> My home name, Desktop, Documents and iCloud Drive. Set as a default there 
>>>> is “Documents”. What should I have in there?
>>>> 
>>>> If the problem persists I will in future try using the Disk Utility method.
>>>> 
>>>> Thanks for your help Ronni.
>>>> 
>>>> Cheers,
>>>> 
>>>> Graham 
>>>> 
>>>>> On 3 Jan 2018, at 4:41 pm, Ronda Brown <ro...@mac.com 
>>>>> <mailto:ro...@mac.com>> wrote:
>>>>> 
>>>>> Hello Graham,
>>>>> 
>>>>> I hope 2018 is a very good year for you also.
>>>>> 
>>>>> Check in Finder Preferences > General  - ‘show these items on the desktop’
>>>>> Are all selected there? Hard disks, External disks, CDs, DVDs, and iPods, 
>>>>> Connected servers?
>>>>> Then the USB devices will show in both Finder sidebar & on the Desktop 
>>>>> and can be ejected correctly by either.
>>>>>  
>>>>> Also you can eject a USB external in Disk Utility.
>>>>> 
>>>>> Cheers,
>>>>> Ronni
>>>>> 
>>>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>>>> 
>>>>> 
>>>>> On 3 Jan 2018, at 4:06 pm, Graham Rabe <gra...@rabe.com.au 
>>>>> <mailto:gra...@rabe.com.au>> wrote:
>>>>> 
>>>>>> Hello Ronni,
>>>>>> 
>>>>>> Firstly - all the best to you for 2018.
>>>>>> 
>>>>>> In Finder Preferences all boxes are ticked except the iMac itself but 
>>>>>> there is no “Desktop” under Devices. Desktop appears under Favorites. 
>>>>>> 
>>>>>> None of the Devices shown in Sidebar are ever on the Desktop so I can’t 
>>>>>> use the Desktop method (Command-E)
>>>>>> 
>>>>>> So the bottom line is that unless the device is shown under “Devices” in 
>>>>>> the Sidebar, I have no way of safely ejecting the device (assuming it is 
>>>>>> not there but is plugged into the USB port) if I need to to use the USB 
>>>>>> port for some other device. 
>>>>>> 
>>>>>> Cheers,
>>>>>> 
>>>>>> Graham 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> On 3 Jan 2018, at 3:40 pm, Ronda Brown <ro...@mac.com 
>>>>>>> <mailto:ro...@mac.com>> wrote:
>>>>>>> 
>>>>>>> Hello Graham,
>>>>>>> 
>>>>>>> In Finder Preferences > Sidebar - ‘show these items in the sidebar’.
>>>>>>> Do you have Desktop selected as well as ‘Devices’?
>>>>>>> 
>>>>>>> You must always eject a USB device correctly either by clicking the 
>>>>>>> eject ‘icon’ ⏏️ beside the Item under Devices - or by selecting 
>>>>>>> (highlight) the USB icon on the Desktop and go to File > Eject  ( or 
>>>>>>> Command-E keys) to eject the USB from the Desktop. 
>>>>>>> 
>>>>>>> Cheers,
>>>>>>> Ronni
>>>>>>> 
>>>>>>>  Ronni Brown’s iPad Pro 12.9-inch 256GB 
>>>>>>> 
>>>>>>> 
>>>>>>> On 3 Jan 2018, at 2:53 pm, Graham Rabe <gra...@rabe.com.au 
>>>>>>> <mailto:gra...@rabe.com.au>> wrote:
>>>>>>> 
>>>>>>>> When I attach a USB thumb drive or WD hard drive or Garmin device to 
>>>>>>>> my iMac they show up in the usual place in Finder - under “Devices”.
>>>>>>>> 
>>>>>>>> But lately when I go to remove the device in Finder after a day or 
>>>>>>>> two, the device is no longer shown there. When I detach the device 
>>>>>>>> from the USB port, I get the message that I have not ejected the 
>>>>>>>> device properly. 
>>>>>>>> 
>>>>>>>> But it is nowhere to be seen in Finder when trying to eject it 
>>>>>>>> properly.
>>>>>>>> 
>>>>>>>> Any ideas about what may be causing the problem and how to resolve it?
>>>>>>>> 
>>>>>>>> Thanks,
>>>>>>>> 
>>>>>>>> Graham 
>>>>>>>> 
>>>>>>>> iMac late 2012
>>>>>>>> macOS High Sierra 10.13.2
>>>>>>>> 
> 
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Graham Rabe | Barrister & Solicitor | Commercial Litigation Consultant & 
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