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After downloading Monterrey 12.7.1 on my iMac 27" (Late 2015), my two external hard drives are not accessible.

I downloaded the software update Monterrey 12.7.1 on my iMac 27" (Late 2015) and suddenly my Time Machine and another external hard drive hold data are not accessible. I can see then in Disk Utility but they don't appear on my Desktop. any suggestions?

Posted on Nov 5, 2023 9:30 AM

Reply
Question marked as Top-ranking reply

Posted on Nov 5, 2023 9:39 AM

You haven't provided any information about the external drives, how they are formatted, what troubleshooting your have attempted or anything. So please at the very least provide those details so we at least have a starting point.


You can also do the following on the iMac.


It will help us get a good idea of what is causing your problem if you provide a report of your system, that way we do not have to play 20 questions with you. The report we are requesting does NOT provide any personal information and is extremely safe to use. Please navigate to www.Etrecheck.com and download the free version of EtreCheck. Once you have you downloaded the app and installed it, please run the report and save it. This report will help us get a good idea what has been installed on your system and help us be able to diagnose what may be wrong.


When you have your report, you can attach it when you reply to this message and we can then review it and help you determine what is needed to get your system running well again. 


For instructions on how to download your EtreCheck report and attach it to your reply to this message please click How to use the Add Text Feature When Post… - Apple Community It is helpful to us if you download the report to your Desktop.



2 replies
Question marked as Top-ranking reply

Nov 5, 2023 9:39 AM in response to Apple1984

You haven't provided any information about the external drives, how they are formatted, what troubleshooting your have attempted or anything. So please at the very least provide those details so we at least have a starting point.


You can also do the following on the iMac.


It will help us get a good idea of what is causing your problem if you provide a report of your system, that way we do not have to play 20 questions with you. The report we are requesting does NOT provide any personal information and is extremely safe to use. Please navigate to www.Etrecheck.com and download the free version of EtreCheck. Once you have you downloaded the app and installed it, please run the report and save it. This report will help us get a good idea what has been installed on your system and help us be able to diagnose what may be wrong.


When you have your report, you can attach it when you reply to this message and we can then review it and help you determine what is needed to get your system running well again. 


For instructions on how to download your EtreCheck report and attach it to your reply to this message please click How to use the Add Text Feature When Post… - Apple Community It is helpful to us if you download the report to your Desktop.



After downloading Monterrey 12.7.1 on my iMac 27" (Late 2015), my two external hard drives are not accessible.

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