Sandisk external hard drives screwups with my Intel Mac.

[Michael the T]

I am having a huge problem with Sandisk external drives. It keeps ejecting itself. I have to pull the cord out and plug it in again yet it won't come up on the desktop after I do. Other times it will say the the disk was ejected when it is not ejected. Again it is not working. This won't happen for weeks then it will crop up suddenly again.

p.s. This issue isn't just with Ventura as the same problems are occurring on my 2025 Mac mini's too.

Thanks

 

[MacsBug]

I am having a huge problem with Sandisk external drives. It keeps ejecting itself. I have to pull the cord out and plug it in again yet it won't come up on the desktop after I do. Other times it will say the the disk was ejected when it is not ejected. Again it is not working. This won't happen for weeks then it will crop up suddenly again.

p.s. This issue isn't just with Ventura as the same problems are occurring on my 2025 Mac mini's too.

Thanks

Michael,

2 things.. 1st the Sandisk SSD's do seem to have an issue when plugged into a hub vs directly into your Mac. This is prevalent especially in the 4TB SSDs/

Sandisk has issued firmware updates for most of their SSDs that should resolve this issue. Check this website for your model. https://support-en.sandisk.com/app/...andisk-extreme-pro-portable-ssd-v2,-and-wd-my

 

[Michael the T]

Michael,

2 things.. 1st the Sandisk SSD's do seem to have an issue when plugged into a hub vs directly into your Mac. This is prevalent especially in the 4TB SSDs/

Sandisk has issued firmware updates for most of their SSDs that should resolve this issue. Check this website for your model. https://support-en.sandisk.com/app/answers/detailweb/a_id/50818/~/sandisk-extreme-portable-ssd-v2,-sandisk-extreme-pro-portable-ssd-v2,-and-wd-my

Thank you very much.

 

[Rodananne]

It's not just SanDisks, its pretty much anything you plug in as an external drive or at least I've found it so. I have a 2GB SanDisk Extreme SSD and a Transcend 1GB HDD plugged into my M1 MBP full time as backups that are constantly ejected by the system and I had the same problem with my previous Intel MBP. I had hoped with the new silicon Macs this issue would be resolved but sadly no luck. I have had to revert to the same solution I used with my Intel Mac, that is running Amphetamine. Believe me I have tried everything with sleep settings and Energy saver to no avail, this solution is the only one that works for me.
It is free on the App Store and essentially prevents your System from going to Sleep. It sends a tiny bit of data to the CPU on a regular basis just enough to prevent the CPU from ejecting peripheral drives.

Here are the settings I use from the menu bar;

As you can see it allows display sleep in the normal way. I have set the Session to be "Indefinitely" so I merely turn it on/off from the menu bar and leave it on all the time. It is a Login Item so it starts the minute I startup my device. As stated I have used this on a previous MBP and on my 4 year old M1 MBP with absolutely no problems caused. Once on I hardly ever even look at it except for the notification which comes up on Startup from Off that tells me it's on.

You will see other Apps with the same function and claims, I have tried most of them and none work as well as Amphetamine. If you try it and have any questions about setup don't hesitate to ask. It does have an number of additional functions which I do not use.

As below;

 

[Michael the T]

Thanks. You are a gentleman and a scholar.

 

[Michael the T]

Umm, or a gentlewoman and a scholar.