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Questions tagged [sd-card]

An SD Card (Secure Digital Card) is an ultra small flash memory card designed to provide high-capacity memory in a small size.

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removing write up protection from micro sd card

My micro sd card suddenly got locked and i don't know how to remove the write up protection using my macbook air nor the disk utility. How do I remove the digital write up protection from my card ...
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SD card issue - dead or alive…? Can't reformat

It's a pricey 64gb LEXAR, 1000x, SDxcII U3 rated 150mb/s. Was last used in a Lumix GH4 to record video and stills -- about 8gb worth. That media was apparently lost when the GH4 was no longer able to ...
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How can I mount a removable device as un-ejectable [duplicate]

I have a Micro-SD card which I keep permanently inserted in my MacBook Pro using a nifty Mini-drive. I doubt it should matter, but this is a 13" early 2011 MacBookPro, running High Sierra (hardware ...
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28 views

Unable to format SD card

I was using my SD card on my phone. One fine day it showed a message that it was corrupted. I put the card in an adapter and plugged it into my iMac. I was able to read and copied all I need. I ...
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17 views

Format Linux partition USB SD

I have a Transcend SD Card 256GB I was installing CentOS in one partition of my SD Card, testing the OS in my MacBook Air. Now I can't remove the partition and restore my SD. sh-3.2# diskutil list /...
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How to mount any SD cards in a specific SD reader (or specific USB port) to a specific mountpoint in macOS?

I know that I can map specific SD cards to specific mountpoints in macOS (see How to mount certain SD cards to a specific mountpoint in El Capitan?). However, is it possibile to map a specific SD ...
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673 views

Since update to Mojave SD card disappears after sleep

Since an update to Mojave, the SD card which I use permanently in my MBP always gets unmounted after longer sleep and importantly, it does only remount after restart. I know this question has been ...
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How can I automaticaly download images from a SD/CF card on a Macbook Pro?

Yesterday I bought the new 2018 15" MacBook Pro (until then I was a Windows user for more than 20+ years) and installed all the software from Canon's EOS Solution Disk (downloaded from Canon's webpage)...
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71 views

Disk Utility not formatting memory card

Have a Sandisk Ultra Micro SD card inserted into my MacBook pro using a Sandisk adapter. The card was originally in my Samsung Galaxy S7 however the phone stopped acknowledging it. The card is ...
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28 views

SD Card appears in diskutil list, complains if ejected improperly, but doesn't show in finder

I have an SD card formatted with Raspbian OS. I'm trying to list and write to the writable area in the boot partition on my MacBook Pro running OSX 10.13.6, but the card refuses to show in Finder. I ...
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46 views

Macbook disk space show as used photos library space that is stored in an external SD

I have moved my photo library into an external SD card and now that library is configured as the system photo library. The problem is that my Macbook shows that the hard drive is still using an ...
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142 views

f3probe for Mac?

I'm using f3, a Linux version of the Windows tool H2testw, to test on a Mac the actual capacity of some flash memory I bought. Trouble is that the quicker test, done via f3probe, is only available for ...
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1k views

Disk Utility not reading memory card

I have a generic 4gb micro sd memory card inserted into a Samsung microSD adapter. When I insert this into my MacBook pro it is picked up, however the storage on both finder and disk utility is ...
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232 views

Formatting SD card with 4096 bytes Allocation Size Unit

I need to format an SD card to 4096 bytes Allocation Size Unit, but I'm not sure how. I know I need to type in a specific command into the terminal. Could anyone help me out by telling me what code I ...
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237 views

Solution for moving WAV raw audio files from SD cards directly to IOS devices?

I have WAV (raw audio) files on an SD card, recorded with a Zoom H4N digital recorder. In the field, I need a way to get the WAV files off of the card. Here's what doesn't work: Apple's card reader ...
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1answer
2k views

Unable to partition a SDXC card using Disk Utility

I have placed 200GB SanDisk card inside Nifty adapter and put it into SDXC slot in my Mac. I want to use it as permanent & encrypted storage. Unfortunately encryption requires GUID partition ...
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2answers
2k views

Why is Convert to APFS Failing?

I have an SD card formatted as Mac OS Extended that was imaged with the Apple Diagnostics disk image. Holding option to boot to this SD card on a Mac works as expected. I tried to use Disk Utility to ...
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Can’t get GParted to work on MacBook

I have a Raspberry Pi running Openmediavault and I need to expand the main partition as I’m running out of space. I’ve got a 2013 i7 (64bit) MacBook and I’ve been trying to boot GParted from a usb ...
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1k views

SD card reader issues mid 2010 MacBook Pro

I’ve been having a few issues with the sd card reader on my mid 2010 MacBook Pro. A few weeks ago every sd card I inserted I could only read from, but not write to. I know the switch on the sd cards ...
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1answer
348 views

high sierra on MBP2010 microphone and card reader not working anymore

I have recently upgraded my MBP mid2010 to HighSierra and I am struggling to get the card reader and microphone to work. I can see them in the system report but the mic isn't working and the card ...
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2answers
858 views

Can't format samsung 128 evo micro sd card

I'm having issues formatting a micro sd card a for a friend on my Mac. I've tried using Disk Utility, diskutil commands in terminal and SD Card Formatter. This is what I get when I try on terminal: ...
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288 views

How to expand SD Card disk size (clone smaller SD Card into Larger one)

I am trying to clone the content of my 16GB SD card onto a 64GB SD Card. What I tried first was to just copy all the files from the 16 to the 64 manually. This did not work out, the tool using the ...
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Folder/File structure: setting up SD card to play music in car

I have a relatively small iTunes Library with ~750 songs. My plan is to convert them to the MP3 format and copy them to a SC card to play them in my car. If I copy all the songs, is there a way to ...
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185 views

SD Card missing after sleeping during write?

I have a flush-mounted 128GB SD card for my Macbook Pro. Had it for a year, never any problems or issues. Today, while trying to free up some space on my main drive, I was moving a large directory -- ...
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366 views

How to eject a unmounted disk?

I was using the dd command to burn a .img file to a micro SD card which was connected to my mac through a usb SD card adaptor. I need to unmount(not eject) the device first before I could use dd to ...
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892 views

Can I move Xcode and Android Studio to SD card

I'm planning to buy a 64GB SD card to supplement the storage on my MacBook Air 128GB (early 2015) I wanted to know if I can move my Xcode and android studio to it as both have them take a significant ...
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74 views

Bootable Sierra SD card that doesn't show up in Startup Disk but does mount in finder

I have a bootable Sierra SD card that doesn't show up in Startup Disk but it does mount in finder. I can boot other MacBooks with that SD card but on this one it will not work. I've also tied to burn ...
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0answers
83 views

MacBook Air no longer recognizes USB external HDDs, flash drives or SD cards

My MacBook Air (13-inch, Mid 2012) is no longer recognizing a USB external HDD, flash storege and even SD cards anymore. I did nothing different than usual before I confronted this big problem. My ...
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28 views

Error writing on SD card (Error code -50) [duplicate]

On MacBook Air Early 2014 macOS Sierra v10.12.5 I am facing error code -50 (An Unexpected error occurred) when I want to write on SD card. Would you please help me? Best Regards,
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854 views

Speed of Card Readers Speeds of Macs

Is there a way to find the read/write speed of the SDXC card readers on Macs? I've been looking for it in System Information, or some chart on the web, to no avail. (I'm specifically looking for ...
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1answer
68 views

Trouble with encrypted SD card

I recently encrypted a SD card with disk utility to secure some of my most precious files, with a password. I then renamed the SD card, and then copied the files to it. The trouble is, that when I ...
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498 views

ExFAT formatted SD card not recognizing space

I'm trying to Homebrew my Nintendo Wii, and a 2 GB or under SD card is required. However, the Wii will also recognize 4 GB cards if enough junk is put on it. I'm attempting to do this with my Optima ...
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24 views

SD card left with barely any space after formatting it to ExFAT

I'm currently trying to jailbreak my Wii with an SD card and am using a MacBook Pro (El Capitan) to format the card to ExFat. The card is 32 gigs, but is reduced down to a mere 30 MBs after formatting ...
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349 views

Can't delete files in the Trash in a SD card. Files are both there and not there

I wanted to delete some files on an SD card but then emptying the trash would take too long so I just canceled it and went with terminal to wipe it manually with rm -rf But then there are some ...
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1answer
33 views

Send file using wifi to my MacBook while connected to wi-fi

just a quick question. I've got a MacBook Air and I'm a journalist, I need the SD Card slot. I've to switch to the new MacBook Pro and I will lose the SD Card, so I'm trying to solve the issue. I'm ...
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1answer
38 views

Stop automatically opening Photos.app when inserting formatted SD card

Whenever I put in my SD card, the Photos app opens automatically. I can set it to not open on a per-device basis, but since I format my SD card frequently that doesn't really help. How can I stop ...
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2answers
8k views

Error -36 “some data can't be read or written” when copying files from SD card

I want to copy files from my SD card to my Desktop but for some of the files I get: The Finder can’t complete the operation because some data in “GOPR0054.MP4” can’t be read or written. (Error code ...
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26 views

File save dialog is empty if selecting mounted SDCard

I'm trying to save a file download on my Macbook Pro. When i select a mounted SDCard a target, the file save dialog displays no file structure at all, although i can see it in finder. I currently ...
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1answer
1k views

Which file system for an SD card permanently mounted on my Mac?

To extend my limited Macbook Pro storage I keep a 128 GB micro SD always mounted in the SD card reader (thanks to Nifty Minidrive). I use it for static files: music, photo and video files I need to ...
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1answer
232 views

Macbook early 2009: does it has a maximum SD memory allowed

I have bought a couple of USB micro SD card readers. I have bought a couple of micro SD memories. None of them work well. The shop has told me that computers have a maximum memory allowed. I have not ...
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1answer
1k views

Formatting SD card as FAT32 on Mac?

Named brand micro SD with 8 gigs on it. Trying everything to format as FAT32, on a Mac running Sierra and I get this error: /dev/disk2s1 does not appear to be a whole disk When running this: $ ...
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1answer
2k views

can't read SD card on 2016 MacBook running Sierra

I have had my MacBook just a few months so I'm very much a newbie with it and the OS. My mac has only one port that's the charging port I bought the USB adapter but when I put a thumb drive in, it ...
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4answers
5k views

macOS Sierra boot problem related to Apple SD Card reader driver

EDIT: It seems that upgrading to macOS 10.12.4 solved this issue. I had not have time to send the laptop to repair, as others did (and it fixed the issue for them). So far, restarting or shutdown / ...
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1answer
3k views

Can I use apps other than Photos with Apple’s SD-card reader?

I have an iPhone 7 and I’m considering buying the Lightning SD Card reader that Apple makes. Is it possible to access the SD card’s files using apps other than Photos—for example, Dropbox? (My ...
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1answer
308 views

How to mount certain SD cards to a specific mountpoint in El Capitan?

Desired behavior: When SD card1 (LABEL=NIKON D60) or SD card2 (LABEL=NIKON D70) is put into cardreader, it automatically gets mounted to /media/digicam. I run a script, which copies the files to my ...
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1k views

Photos.app no longer detecting SD cards for import

Lately, when I try connecting any of my cameras' SD cards, either through a USB-based SD reader or by connecting the camera itself, Photos.app does not automatically launch when the card mounts, and ...
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44 views

Can someone who rsync-s his iTunes music avoid full-fledged exports?

I'd like to listen to my iTunes music (especially lossless) in the car and on the go. I was waiting for a 256GB option from Apple, not particularly for the iPhone 7. With the iPhone 7 it will still ...
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1answer
459 views

SD card corrupt after hot removal

Accidentally removing a card reader without first ejecting the Sandisk 256GB MicroSD in it has caused the SD card to become corrupt. When inserting it now, OSX prompts that it cannot read the card and ...
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1answer
2k views

Installing Windows On SDXC (not like source of ISO)

I'm a newbie on Macs and OS X. I'm currently using "El Capitan" version 10.11.6 I have the Windows 10 Enterprise 64bits installer ISO. I have doubts about Installing Windows on SDXC Card using ...
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156 views

Prevent OS X 10.11 to display “can't read disk” message

I always have connected to my MBPr a Transcend JetDrive Lite 330. JetDrive Web I have installed Ubuntu on that SD Card, so it has EXT4 file system. I installed some packages on the Mac for being ...