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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20 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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299 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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496 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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733 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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466 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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3k 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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47 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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168 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 ...
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1answer
470 views

OS X automatically deleting files

Before I made multiple cloud accounts available to backup my Mac, running OS X El Capitan, I saved every file in All My Files onto a 16 GB external SD card. I noticed that every few days everything ...
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845 views

SD Card mounted but not accessible in Finder (OS 10.10.5)

On an early 2015 MacBook Air running 10.10.5, Finder will not show SD cards, despite the disk showing up in Disk Utility. In Finder preferences, I have set external disks to be shown on the Desktop ...
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3answers
8k views

SD card reader does not work after upgrading to Mountain Lion

I have upgraded my Mac Book pro MB991 (13-inch, Mid 2009) to OS X Mountain Lion. After that the system does not show any reaction on inserting or ejecting an SD card. The card itself works well with ...
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156 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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1answer
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
1k 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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1answer
7k views

Running Windows 7 from SD card on a Macbook Air

This question has already been asked here before, but I feel I'm missing something or don't understand something from the answers. I have a MacBook Air - very little space left. I have a 128GB SD ...
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2answers
154 views

Multiple copies of files in need of deletion

I have maintained backups of 'All My Files' on an external secure shell card and have overwritten the originals several times. Now there are multiple copies of several files wherein they are labeled '...
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1answer
3k views

iPhoto does not recognise the photos on the SD card of my new camera.

I am running Lion on iMac and iPhoto is up to date. my new camera is a sony a6000. The photos show up in the import window, even with an image of the camera, but when I ask iPhoto to import them it ...
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1answer
80 views

Some queries about device compatibility on a Mac

Do normal card readers like these detect automatically on a Mac or a separate app should be installed ? Do DSLR camera's SD card detect on a mac just like a normal SD card or should I install a ...
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1answer
116 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
29 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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2answers
31 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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1answer
569 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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1answer
55 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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1answer
114 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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1answer
27 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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1answer
36 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
82 views

How do Mac file imports from SD cards work when the option is set to delete after import?

My uncle recently imported files from his SD card and there were serious errors. I have no idea WHY that's occurred, but the videos I took are once in a lifetime. I shot on .MOV format, but the card ...
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2answers
1k views

How do I rename a FAT SD Card using a MacBook Air?

I'm trying to rename a 16GB SD card (Untitled) using a MacBook Air but the Disk Utility won't let me rename/erase/reformat it. I am able to open the device and see all of its content but cannot rename ...
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1answer
537 views

Can't format o repartition any USB or Flash Drive

I am trying to format an SD card and an USB flash drive. When I use the Disk Utility application I receive the following message: "Couldn't open device" I also tried via terminal and the message I get ...
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1answer
63 views

SD Cards “forgets” written data

I have an SD Card I bought from ebay. It works, sort of. Recently, it somehow acquired the weird habit of "forgetting" things I copy to it. For example; I would normally place my music folder to the ...
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1answer
765 views

Can I back up to an SD card?

I happy accident occurred this weekend when I left my camera's USB cable at work. I discovered that I have an SD slot in my MacBook Pro. Can I backup to an SD card using a third party back up package?...
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396 views

Ejecting SD card takes a long time and CPU usage goes up

I'm on Mavericks and after I eject most SD cards, it takes a minute or two and process UASysAgent is taking 80% of the CPU... quite annoying, does anyone else experience this? Something that can be ...
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2k views

MacBook Pro Late-2013 SD card reader not loading cards after 10.10.2 update

In my Macbook Pro 15inch, late 2013, the SD card reader doesn't work after installing Yosemite 10.10.2. Doesn't load cards at all. Tried to blow out slot, fiddling with switches inside port, nothing. ...
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2answers
2k views

Can't write to Fat32 MicroSD disk

I have a disk, it is MicroSD and I have a macbook. I enter said disk into said Macbook and when I try to copy I get... /Volumes/SDCARD/file.img: Read-only file system I tried the ole...... sudo ...
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1answer
3k views

How can I gain the 'true' space on this micro sd?

First off I know this post is about a micro sd, but I'm on a Mac.. Anyway, I got a micro sd card with my phone. It's a Cricket phone that features their Muve Music service. (Though I rooted and ...
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8 views

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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135 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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122 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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880 views

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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39 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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1k views

My SD card doesn't fit into my MacBook Air, but it fits into my MacBook Pro!

My camera's SD Card can't fit into my MacBook Air's SD Card Slot. I can only push the SD Card into the slot halfway, but then ONE CORNER can't go in any further. The left corner of the card can still ...
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1answer
766 views

Can't create kext cache under / - owner not root

When I plug in my usb memory card reader nothing happens. It was working ten minutes ago when I used the xbian installer to put it on the sd card, but now nada. Something briefly flashes up then ...
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2k views

Is SDHC Card compatible with a MBP mid-2009?

I have a Mac Book Pro, mid-2009 model that has a SD card slot. I just bought a SD Card from SanDisk, 8gb, SDHC. When I insert the SD card in the slot, it is recognized by the MBP: I have a new icon ...
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1answer
151 views

cannot write image to sdcard

After every attempt when the process is finished I get an error saying my mac cannot read the card, when putting it in my cubieboard it says the card is damaged. So obviously something went wrong ...
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139 views

Apps on an SD Card Using Symbolic Linking

I would like to be able to store Apps on a SD card, and play with symbolic linking. I was able to make this work, however my SD card can't be unmounted, is there any good way to do this, without ...
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3k views

Built-in card reader in MacBook Pro doesn't work [duplicate]

As the title says, the built-in card reader in my MacBook Pro doesn't work. It simply doesn't do anything when I instert an SD card. I'm using Mac OS X 10.6.8. I guess one of the issues might be ...
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2answers
2k 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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4answers
813 views

Permanently Hide SD

I have a jetdrive that i'm using permanently in my macbook air SD card slot. I'm wanting to make it so that the drive does not show up in my desktop or sidebar, but is accessible through a folder. I ...
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2answers
2k views

Upgraded 10.9.1 to 10.9.2 now SD cards not recognized

On early 2011 MacBook Pro 15inch -- I use the SD card slot a lot. Suddenly after the upgrade to 10.9.2 (for security reasons), now inserting an SD card gets no reaction, instead of showing an icon on ...