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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SD card being wiped by iMac

I put the SD card with all the film footage on it, into the reader. I create folders, and also put the footage on to the SSD and the cloud....typical post-shoot file maintenance. I eject the SD card ...
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How to hard format sd card on macOS?

I try to make sd card with raspbian software, but on my windows PC from work i don't have enough permissions to do it. Unfortunately it formatted into multiple partitions. Now i can see only one in ...
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Cannot format SD Card [duplicate]

I'm having trouble formatting this SD card. The write protect switch is off, of course. I tried using the built-in card reader on my MacBook Air and then a USB one. It won't even format on my Windows ...
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How can I encrypt a 128Gb SD Card in Sierra (10.12.6)

I cannot erase a MicroSOCX SD Card (128GB) using a GUID partition map. I only get errors. Without a GUID map, I cannot partition either. I have tried it on both the main volume and the dependent ...
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Should I put Android/iOS project folder and Dropbox/Google Drive folders in SD card? [duplicate]

I would like to ask if I should move my Android/iOS project folders to SD card. Assume that I work with them every working day. Same question for Dropbox and Google Drive folders, but I'm much less ...
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How to read data from an unreadable drive formatted by a GoPro?

I formatted a 128 GB micro SD card from the factory in a National Geographic Explorer 4 4K 30 fps (a camera like a GoPro). It recorded video and I can play it back. On macOS Mojave 10.14.6, I get the ...
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Photos copied from PC to SD card cannot be copied onto iPhone

If I try to import more than a few dozen images from my PC to my iphone (via SD card adapter), it fails. My workflow is this: 1. Take a number of pictures (e.g. 500 RAW pics) 2. convert these to jpg ...
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macOS not reading SDHC cards either with internal slot or external reader

2012 Mac Mini, still running High Sierra (10.13.6) Has suddenly stopped reading SDHC cards (even showing the card is available). Things I've tried: relaunch Finder (via right click) - occasionally ...
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Photos app says no photos to import from SD card that it has recognised previously

I have an SD card with thousands of photos on it: It is now full and I want to import to my Mac Mini, running Mojave. I've used this SD card for this without issues but today I plug it in and Photos ...
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22 views

Best practice for mounting drive on logon

I have a MBP 2015, and use the SD card slot for a second drive; it's a slow micro SD card, but I only use it for backups, which suits my purpose. I've noticed that since upgrading to OS 10.13, the ...
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How can I access photos from my camera in Terminal?

I have been trying to compare the speed of importing photos to my Mac from either the camera or by removing the SD card and using a card reader. I have been using the method on question: "Is there a ...
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3answers
257 views

Why does Apple not recommend storing your iMovie library on an external drive?

I want to try keeping my iMovie library on an external drive because I use both my Imac (at home) and my MBP (when traveling) to edit my videos. Ideally, I would like to use a SD card so that it ...
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191 views

Why is encrypted APFS on SD cards so slow?

When writing any data to SD cards, the operation is usually very slow compared to other kinds of media (up to tens ob MBytes/s). However, when using an encrypted file system on the SD card, such as ...
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1answer
310 views

2017 iMac won't read SDXC Card

I did not find any solution for my problem, so I'm asking this here: My 2017 iMac won't read a 128 GByte SDXC Card (used to store photos in my Canon 5D Mk IV). It mounts and (most of the time) the ...
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74 views

How to copy files to an SD Card without macOS metadata files?

I regularly copy firmware for a 3D printer to SD cards. I format the drive and copy the same set of files to each SD card, and the macOS metadata specific files always go with it (.fseventsd,....
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How to check if any file on Volume Y is missing on Volume Z?

I have multiple external HDD's, many USB thumb drives, a boat load of SD cards and so on. I've not diligently kept everything centrally stored. This goes back years. I now want to clean up this mess ...
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332 views

Micro SD Card dead after formatting

I was trying to format a brand new Micro SD Card using https://www.sdcard.org/downloads/formatter/, however, after 30 minutes, it failed. Every attempt thereafter also failed with this message; [...
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1answer
80 views

Changes to SD card do not persist after unmounting

I have a couple of 128GB Samsung EVO+ micro SD cards. I have two different means of connecting these to my mid-2012 MacBook Pro running MacOS 10.13 High Sierra: a micro-to-fullsize SD adaptor, which ...
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1answer
524 views

Cannot Erase a 64Gb exFat SD Card with Disk Utility | OS Mojave

I've got a microSD card in an SD adaptor that I accidentally left in during the Bootcamp installation and now it is formatted as exFat rather than Fat-32. I tried erasing it and changing the format, ...
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780 views

f3 Fight Flash Fraud: “f3probe command not found” Mac OS Mojave

I'm testing SD Flash Cards and my linux machine decided to be rude and stop operating the SD Card Reader (time for a USB device). So I switched over to the reliable old iMac to happily find that F3 ...
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174 views

Is my SD card beyond repair?

I've looked on other questions and from those answers I have tried SDFormatter and it produced this error: [ERROR] Invalid end of sector signature: 0x4536 [ERROR] exfat_check_validate_boot_sector ...
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33 views

Slightly broken SD card is not readable on macbook

I put the SD card (sandisk ultra 32gb) in the card slot in macbook pro. But it is not getting detected. When I tried to find on Disk utility it doesnt show up. I have very important data in the SD ...
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MacBook: SD Card Reader Not Visible

I know this question has been asked before but none of the answers worked for me. I have tried three different brand new SD cards, 2 San Disk's and one Samsung's, using both MacBook's built-in SD ...
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2answers
36 views

osx 10.11.6: SDcard reader

SDcard from Raspberry pi 0 has several text files (and python scripts) which do not show up when mounting on internal mac SD reader. How can I recover those files?
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42 views

How to repair damaged SD card on macOS?

I inserted a 32GB micro-sd card into an HP F320 (car camera) and the card is damaged because F320 only supports capacities up to 16GB. This card cannot be read on F320 and cannot be successfully ...
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234 views

Why is my external disk being backed up again by Time Machine?

My 200 GB music library resides on a SD card that is permanently inserted into my MacBook Pro. The volume is encrypted using Filevault. Time Machine will include that volume when doing backups onto an ...
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651 views

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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23 views

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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1answer
38 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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68 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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1k 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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1answer
62 views

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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2k 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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119 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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326 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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532 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
5k 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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4k 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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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
445 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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1k 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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1answer
565 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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261 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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2k 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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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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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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94 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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2k 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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132 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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777 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 ...