I use a Sandisk 1TB external SSD for my photographs. I

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I use a Sandisk 1TB external SSD for my photographs. I

I use a Sandisk 1TB external SSD for my photographs. It is about half full with them. I have been using it for about a year with no problems. However, two days ago when I connected the SSD and tried to use Photos my MacBook Pro shut down after about a minute's use. It now does that consistently so I can't access the photos on the SSD. The problem has occurred since I updated the software to Catalina 10.15.5 but I don't know if that is significant. Does anybody know why this is happening? Disk Utility says there is nothing wrong with the SSD.

Posted on Jun 5, 2020 8:54 AM

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Answer 1

Picissue Author

Level 1

11 points

Jun 7, 2020 11:56 PM in response to MrHoffman

Whoops.

Sandisk prob

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Answer 2

Picissue Author

Level 1

11 points

Jun 6, 2020 12:47 AM in response to MrHoffman

Thanks for your Reply both Mr Hoffman and HWTech. The SSD is Sandisk Extreme Portable 1TB SDSSDE60-1T00. I don't have any Sandisk diagnostic tools (I have contacted Sandisk but no reply yet). Disk Utility First Aid says everything is OK. DriveDX shows no problems at all. I ran Etrecheck but I think I need the Power user Package which I will get and try again. This came up in Minor Issues.

Unsigned filesThere are unsigned software files installed. Apple has said that unsigned software will not run by default in a future version of the operating system.Review

32-bit AppsThis machine has 32-bits apps will not work on macOS 10.15 "Catalina".Review

Limited drive accessMore information may be available with Full Drive Access.Review

Kernel extensions presentThis machine has kernel extensions that may not work in the future.Review

Sharing enabledThis machine has sharing services enabled that could be a security risk.Review

I do have all my photos stored on another drive so I won't lose them if this SSD fails or if I have to erase it.

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Answer 3

HWTech

Level 9

68,636 points

Jun 6, 2020 9:44 AM in response to Picissue

Picissue wrote:

Thanks for your Reply both Mr Hoffman and HWTech. The SSD is Sandisk Extreme Portable 1TB SDSSDE60-1T00. I don't have any Sandisk diagnostic tools (I have contacted Sandisk but no reply yet). Disk Utility First Aid says everything is OK. DriveDX shows no problems at all.

Post the DriveDX report here using the "Additional Text" icon which looks like a piece of paper. DriveDX doesn't always report SSD health correctly. Seeing the report I can analyze it to see if there could be any signs of a problem. Plus the trial version of DriveDX allows you to run the SSD's internal short selftest. It is possible to run the long/extended selftest using the Terminal command line. Seeing the report would still be helpful even if the selftest is run.

You should also check to see if there is any firmware updates for your SSD.

The drive vendors don't have any other specialized tests for their drives. Any software they have is just to provide this information and to access the SSD's built-in hardware features to reset the SSD to factory defaults. I can provide instructions to do this if you decide to erase the SSD although it is a bit risky to perform on an external drive, but I have done so before. I would need to know the exact model of your computer(s).

I'm glad you have another copy of your data as so many people overlook the need to backup an external drive.

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Answer 4

BobHarris

Level 9

56,819 points

Jun 8, 2020 5:08 PM in response to Picissue

No. A kernel panic report ends in

.panic

you have a process crash. Not the same thing. In this case it is an Adobe app that crashed, but that is not very interesting, except maybe to a developer working for Adobe.

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I use a Sandisk 1TB external SSD for my photographs. I

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