Mac notebooks use the USB bus to communicate with the SD card slot. They have a maximum speed of up to 480Mbit/s. Mac desktops use the PCIe bus to communicate with the SD card slot. As a working professional photographer, I would like to rely on my iPad 10.5' and SD card reader for on-the-go shoots. However, this piece of junk cannot import more than 150 photos without crashing.
My SD card slot on the latest MacBook (Mid 2012) won't mount my SD card. The SD card doesn't appear in Finder, Disk Utility, Image Capture or anywhere. I know it's not a software problem, because nothing changed before and after. How do I fix it?
user34398945 Answers
I blew hard in the SD card hub. Now it is working fine.
This thread says that there's a switch in the SD card slot that detects when a card is inserted, and it can get clogged by dust or jammed or something. If you play around with a toothpick (or anything that fits in that hole), it'll fix your problem. Toggling that switch helps.
ScottScottfor me sticking the SD card in and pulling it a bit out again ( just a few mm ) seems to get it mounted. There's even a video that explains how to put it in and pull it out a bit here
But I find that putting it in under an angle works better:Sticking the card in under a angle with the cut off corner against the top of the SD slot and then pushing the card in seems to get it mounted every time.
FLYFLYMy Mac book stop seeing the cards, I used a can of air to clean out the reader and it works fine now.
Maybe some dust is stuck in the card slot. To remove, gently blow into the slot and try to insert the card again.
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protected by Community♦Jul 14 '14 at 3:13
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I have a SD card that I put into my MacBook Pro. It then showed up in finder. I wanted to access it and I accidentally dragged the mounted card and now it's gone from Finder.
Taking out the card and inserting it again, didn't help. How can I find my SD card drive again?
11 Answers
In the Finder's sidebar, there should be a section called 'Devices'. Click on the one that's your computer's name and you should see the SD card. Drag it back to the sidebar.
I found that removing the SD card, then restarting, then putting the card back in after complete restart worked fine for me.
Graham MilnMake sure 'Show External Disks' is enabled in Finder. Here's how:
Open Finder, Click on 'Finder' on the top bar and select preferences. 'This should bring up the Finder Preferences box. Under the first tab (General) make sure 'External disks' box is ticked.Under the third tab (Sidebar) 'Show these items in the sidebar' scroll down to 'Devices' and make sure the box next to 'External disks' is ticked (though this was probably selected by the first action)
owlswipeDell Sd Card Reader Not Working
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In my case it did not show up because the name was blank. I use disk utility to name it.
I ran disk utility and ran first aid on my main ssd disk and the sd card popped back into existence.
Might have just gotten lucky but I tried everything else here and it didn't work.
I was having this same problem and was able to get the device to show up again by 'Force Quitting' the Finder. When the Finder restarted after the force quit my drive showed up in the devices sidebar again.
To force quit hold down Option + Command + Escape, a dialog box will pop up showing you a list of all the applications that you're currently running, select 'Finder' from the list of open applications.
It is odd that just removing and re-inserting the card did not allow you to access the card again. A reboot might help. Failing that open disk utility and see if the inserted card is recognized there. If so you should be able to select the device and format, partition or mount it from within Disk Utility.
If it is not showing up even in disk utility then there may be an issue with the card itself (or less likely) an issue with the card slot. If you have another you can try, do that. If not you may have to return the card for warranty replacement.
Steve ChambersSteve ChambersRan into this problem today, but the answers weren't entirely clear.
By the OP's description, he dragged the SD card icon off the Sidebar in the Finder (in the older OS, this was animated with a puff of smoke and occurred with the Dock also). This removes from the Sidebar the shortcut to access SD Cards when they're inserted.
It can be activated again through Finder > Preferences > Sidebar and checking the box next to External Disks (you may notice that the box has a minus in it, indicating the removal of the SD card shortcut).
Either way, the card can still be accessed via it's icon on the Desktop if your Finder preferences are set to do so (General tab).
This happened to me today. It might not be showing up because as quip says since you dragged it out now you have to check it off on devices so it definitely shows up.
Also, since you pulled it out without having 'ejected it' you have to restart your computer as well.
My problem ended up being those and an SD card reader that sometimes had power and sometimes didn't so I had to repeatedly do that stuff till I got the files I needed.
how i solve this issue was,1st use the search on the upper right of your screen (search for sd card)2nd under the folders, you will see the sd card.3rd open the go on the finder, open all documents4th drag and drop the sd card from the search to the device in the all document windows.
that should let you see the sd card every time you insert it to your system.
Mac Not Reading Sd Card
Nothing works. That's the solution. Plug in the camera with a cable, that will work.
Sd Card Reader Not Working Macbook Pro Retina
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protected by Community♦Apr 23 '18 at 18:57
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