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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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Recommendations MacBook Pro (Retina, 13-inch, Late 2013) Bootcamp 120 GB

I'm considering installing bootcamp to play a single game Valorant on my Macbook. I'm clearing up storage space for this very purpose, and will have only 80 GB of free storage space to likely even ...
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Do the transcend jet drive lite work on new M series MacBook Pro?

I have a mbp 15" mid 2015 model in which I use a transcend jet drive lite. Since this card slot in again available on new M series MacBook Pro I'm wondering if the card I have is going to fit in?
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How can I shrink an SD card to a smaller sized SD card?

I recently have been doing work with RetroPie and started building things out on a large (128GB) SD card. After getting everything set up I realized I was only using ~62GB of this space. How can I ...
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SD Card reader, or SD Card, not fully recognized / not mounting in MacOS

Objective: Trying to read an SD Card from a Nikon DSLR. Background: Same SD Cards and Card Reader have worked fine before on the same computer, in previous versions of MacOS. Hardware: MacBook Air, ...
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SDXC (internal, physical) Formatting issues to FAT32

I had struggled on this issue for about 2 hours. I was trying to format my brand new 64GB SDXC to FAT32 and I kept getting the error "couldn't open device", which I'm sure many of you are ...
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Stopped accessing the SD card on the camera from the Finder window

I have gotten a new problem... Before it has been easy to access the SD card on my Canon camera using a USB cable connected to my Mac mini. The SD card has shown up as a new device on the the left ...
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2 votes
0 answers
135 views

"Resource Busy" error when trying to backup microSD to Macbook

As the title states, I'm trying to backup a microSD (input) to my Macbook Pro (output) running on Catalina. I've used diskutil list to find the correct disk after which I run sudo dd if=/dev/rdisk2 of=...
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Macbook USB Hub - Device ejected not properly error

I have been using a MacBook Pro 2019 with a Fitfort USB-C-Hub-Multiport-Adapter 7 in 1 (technical data below) for the last 2 years. I really like this USB Hub for its multiple ports as I use external ...
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How do I grant permission to edit a file on an SD card? [duplicate]

I flashed Ubuntu server to an SD card on my MacBook Pro with the Raspberry Pi OS flashing application. I want to edit the network-config file to put in the WiFi information. When I view this file in ...
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-1 votes
2 answers
283 views

What is necessary to boot Linux on a Mac?

I've seen some various guides online about different ways to boot Ubuntu from an SD card or a USB stick. They have some variation with regards to making it always boot from the external memory or ...
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1 answer
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How to find out every single SD card that was inserted into a Mac?

Is there any way I can find out every single SD card that was ever inserted into a Mac?
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1 answer
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Cannot erase micro SD card

Two volumes mount when it's in: so it looks like I partitioned it when I tried to install something on it but "Partition" cannot be clicked. "Erase" fails on both partitions: I ...
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Inserted SD-card not showing up on MacBook Pro, can't find or see it anywhere

I inserted an SD card from a dashcam because it was full. The first time I inserted the card, it showed up and I deleted all the files on it. I went to plug it back in the dashcam and it still showed &...
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Disk Utility App on Mac cannot do FirstAid on my SD card

While I was using my Olympus E-M5 mark 2, suddenly it shows me a message "card error". Thus I connect the SD card to my mac, which also shows a message "The Disk You Inserted Was Not ...
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Delete files from SD

I was using an SD card with GoPro. On device format didn't work one day, so I tried erasing it in Disk Utils on my Mac (Big Sur 11.2.2). It appears to be blank, but when I re-mount it again - all ...
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Recovering data from a micro SD card with missing partion after unsafe eject

I am currently stuck trying to recover data from an unsafely ejected 64GB micro SD card that was inside a smartphone. Windows's diskpart utility would not recognize the device at all, so I am trying ...
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SD card no longer showing in Disk Utility

I have an micro SD card that used to work fine and I stored many files on it. It is a SanDisk Ultra 200GB card, and I use the BaseQi adaptor to put it in my Macbook Pro (running Catalina, 10.15.7). ...
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1 answer
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Formatted micro SDHC card but partitions and files remain

I have 2 Samsung EVO micro SDHC cards that I was using in a Raspberry Pi. I'm now trying to format them on my Macbook Air running Big Sur on Apple Silicon and have tried two methods for formatting, ...
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2 votes
1 answer
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I'm not able to search for specific files in a folder saved on SD card on Macbook air

I have a folder saved on my SD card with many different files. When i go to search in my SD card, and search for a specific file in that folder the page shows completely blank & that file does not ...
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Accessing SD card disk in a VirtualBox machine

I am trying to add a hardisk to a virtual box running ubuntu so I could access an SD card mounted on the host machine i.e Mac. I followed these steps but there's an issue: creating a vmdk file ...
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1 answer
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move grub from sd-card to win partition?

i'm not the first one with this kind of problem, but my specific nuance, i did not yet encounter: i have a 2014 macbook pro with os x plus a windows 10 bootcamp partition. now i wanted to have a look ...
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SD card not detected through a USB hub on a newer intel-based Mac

This is my first time trying out an SD card via a USB hub on my new Mac (since there's no port for SD card on newer Macs) and I can't seem to detect the SD card; it doesn't show in disk utility and ...
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4 votes
1 answer
2k views

iPadOS is corrupting files when copying from/to an external drive

I am a photographer and recently switched to a full iPad Pro 2020 setup, so I can edit my pictures on the go. Since SD cards tend to fail, I would also like to use my iPad Pro to backup the cards to ...
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anything better than dd to copy disk images to SD card in OS X?

I have used dd because it is what the tutorials suggest to do for instance when copying Linux images to SD cards (e.g. Raspbian, Kali, ...). This is done at 1 Mb/sec on my macbook pro. I have tried to ...
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Is there any advantage to different file systems on microSD?

I have a two new microSD cards and I'm going to use them for overflow storage and Timemachine using macOS Catalina. They have exFAT now. Q. Is there any advantage to formatting them in any other ...
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2 votes
1 answer
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Why is zeroing out a drive with dd not working?

I'm using macOS Catalina. I have a 16GB microSD card that had Raspbian on it, which is 2 partitions: 45MB boot partition large Linux partition I needed to clear it, so I plugged the SD card into my ...
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2 votes
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iPhone is unable to import photo on SD card that are copied from macOS

I have copied a bunch of photo files (jpg) from a macOS to a SD card. Here is the details of the SD card as seen in Disk Utility However when I insert this card to a SD card reader connected to an ...
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1 answer
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Using an sd card for extra space on bootcamp

I finally got bootcamp working on my Mac so I could play windows steam games on it. The only problem is that I don’t have enough storage on bootcamp to download games from steam and I ran out of space ...
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3 votes
1 answer
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MacOS 10.15.4 automatic eject sdcard when goes to sleep

I bought a transcent jet lite sd card for my macbook pro mid 2014. On MacOS 10.15.4 whenever my macbook goes to sleep my sd card automatically ejected and there is no device in disk utility to mount ...
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Custom folder icon doesn't display for SD card — shows as "generic .png" icon

This is quite perplexing. I created a new folder icon to use with my SD cards. But on one of the SD cards, on one of my computers, it shows only as the "generic .png" icon. Here's where it gets ...
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2 answers
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What does "Initialize" mean? I have just connected my micro-SD card to my Mac, this just shows up

The micro-sd card is used as the storage of my dashcam. It works fine before. But today when I connected it to my Mac, as usual, there is a popup saying: It seems my sd-card has broken. But what does ...
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2 votes
1 answer
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Disk Utility cannot erase USB drive (error -69877: couldn't open device)

Disk Utility (macOS Catalina 10.15.2) fails to erase my USB drive (64GB key, currently formatted in exFAT). /dev/disk2 (external, physical): #: TYPE NAME ...
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1 answer
698 views

Unable to format my memory card/SD - error -69877 couldn't open device

I can't seem to able to format my PNY 32 GB SD card When I go to Disk Utility and try to erase it gives me error: Unmounting disk, Couldn't modify partition map and operation failed I successfully ...
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SD card works perfectly in macOS, but not in Windows

Recently I bought a new microSD card - Transcend UHS-I microSD 300S. It's microSDHC 32 GB card, I've also formatted it in exFAT. And I'm also using a 13-inch MacBook Pro, Early 2011 model. The ...
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Boot Camp - Apple SD Card Reader not recognised

I've issues with my Boot Camp instance. The following happened/happens: - my JetDrive SDXC Card is shown on Mac OS Catalina and works properly; - I installed carefully Windows 10 with Boot Camp ...
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Which file system should I use for Micro SD card, APFS encrypted or HFS+ encrypted?

I have a 256GB Micro SD Card (TF Card). I plan to use it as an external storage to my Macbook. I don't care about the portability. So no need to use exFAT file system. To be safe, I plan to use ...
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2 votes
2 answers
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How to update macOS when the system thinks the update is already installed

I've been using a 2010 iMac with OS 10.9 for a few years. Now I need to update the OS to 10.13 (the latest one this system supports). Here's the catch: months ago I attempted to install 10.13 on an ...
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4 votes
2 answers
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Trying to format SD card for raspberry pi, but I get permission denied

I am trying to format my SD card on a mac (macOS Mojave 10.14.6) I am using a card reader hooked up to the computer and the SD card adapter is on the unlocked position. My SD card is a samsung evo ...
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-3 votes
1 answer
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Does the Transcend JetDrive Lite 360 fit on iMac? [closed]

Transcend JetDrive 360 is a nice option to expand storage on mbp 15" Mid 2015. I'm wondering if it can be used on iMac also, can someone confirm? Or somewhere else besides mbp 2015.
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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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4 votes
2 answers
11k views

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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2 votes
3 answers
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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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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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3 votes
0 answers
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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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2 votes
4 answers
3k 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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0 votes
1 answer
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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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