Fix SD Card Not Showing Up in Lockdown Mode on Mac Ventura

After upgrading to macOS Ventura, your SD card not showing up on your Mac. It is strange. Here's a similar case from MacRumors forums:

I plug my SD card into the SD card slot on my MacBook Pro (2022, M1 Max). The system asks if I want to connect the device. But my permission doesn't work. The SD card doesn't show up on my MBP. The setting of "Allow accessories to connect" is grayed out. I've enabled Lockdown mode. Whether it is related to this?

The new Lockdown mode and accessory security management feature designed for MacBooks with Apple silicon running macOS 13 or later blocks your SD cards from being connected and recognized by the system.

You barely need to reset the security settings to make your SD card show up on your Mac again.

However, SD cards not working on Mac is a complicated problem. You can follow this full guide to fix your SD card that doesn't work in Lockdown mode on Ventura.

How to fix SD cards not working or showing up in Lockdown mode after updating to Ventura:

Free download iBoysoft DiskGeeker to detect, fix, and mount your SD card on your Mac if the system fails to show it up. Moreover, it also supports fixing inaccessible, corrupted, or unmountable SD cards and external hard drives on a Mac.

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Solutions to SD card doesn't work in Lockdown mode on Ventura

The SD card doesn't work in Lockdown mode on Ventura may be due to security settings and also can result from other causes. So, go ahead to follow the ways in this part carefully to let it appear on your M1 or M2 Mac again.

Disable Lockdown mode

Lockdown mode is an optional feature in macOS Ventura and later that protects Mac laptops with Apple silicon from external connections' unknown attacks.

You probably have enabled it. Thus, your SD card doesn't work in Lockdown mode on macOS Ventura. A simple Lockdown mode disabling will fix the trouble.

Here's how to turn off Lockdown mode on your Mac:

Then, reconnect your SD card to your Mac to check if it displays.

Restart the Mac & change the settings of "Allowing accessories to connect"

If your permission to allow your MacBook to connect your SD card doesn't work as the accessory security setting is grayed out, you can unplug your SD card and restart your Mac to exclude the temporary system errors that may cause this trouble.

If a restart makes the accessory security setting editable again, you can change it to allow your SD card to be automatically recognized and show up on your Apple silicon Mac.

Here's how:

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SD card still not showing up? Try these fixes

Weirdly, after disabling the Lockdown mode and changing the accessory connection settings, your SD card still doesn't appear on your desktop and Finder sidebar. Don't worry, follow the workarounds below to fix your SD card that's not working on your Mac.

Check Finder preferences

Maybe you've set the preferences to not allow your connected devices to display on your desktop and in Finder. So, your SD card doesn't show up on your Mac in these locations.

To let your SD card show up again, get about to change your Finder preferences.

Check the connections and reconnect the SD card

Perhaps, you haven't connected your SD card to your Mac correctly, causing it can't be detected by the system. So, try these checks and reconnect your SD card.

Use iBoysoft DiskGeeker to detect, fix & mount the SD card

If macOS still can't make the connected SD card show up on your desktop and in Finder, try iBoysoft DiskGeeker to detect, repair, and mount your SD card on your Mac.

iBoysoft DiskGeeker is a third-party disk management utility. It is specially designed for managing, checking, and fixing the internal hard drive, external disks, SD cards, and other external devices on a Mac; and it also supports data organization and protection on these devices.

How to run iBoysoft DiskGeeker to detect, fix, and mount the SD card:

Then, if the SD card shows up on the iBoysoft DiskGeeker sidebar, select a volume on the SD card and click the Open button on the right-side toolbar to access files on it.

If the SD card shows up on the iBoysoft DiskGeeker sidebar but is unmounted, follow these steps:

Reformat the SD card

If even iBoysoft DiskGeeker can't help macOS detect, fix, and mount the SD card on your Mac, the SD card probably is seriously corrupted. You have to reformat the unmountable, corrupted, and inaccessible SD card to make it workable and show up on macOS Ventura again.

Nevertheless, reformating the SD card will erase all data on it, leading to permanent data loss. If the files on the SD card are necessary for you, try iBoysoft Data Recovery for Mac to recover them quickly.

Here's how:

After get back the files on the SD card, you can reformat it now.

Method 1:

Method 2:

Update your Mac

If your SD card still not showing up on your Mac, it may be caused by system bugs or outdated Mac drivers. To fix those, you need to update your Mac. Simply click on the Apple menu > System Settings > Software Update.

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