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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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
168 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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2k 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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79 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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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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364 views

Bootable SD Card doesn't appear at Startup Manager

I have a bootable SD Card with Windows 10 installed, and it works fine in the most of macbook pro I have tested, but there is one in which when I press alt / option key, the SD Card doesn't appears ...
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200 views

Disks not mounting (10.10.5)

Having an issue where multiple drives (External HD's via USB and an SD card inserted directly) will no longer mount when plugged in. If I open Disk Utility I can see the drive listed but the volume it ...
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632 views

Yosemite cannot mount 64GB FAT32 SD Card

Built in SD Card Reader: Vendor ID: 0x05ac Product ID: 0x8406 Revision: 3.00 Serial Number: 00000000AP05 SDXC Card: Capacity: 61.92 GB (61,924,704,256 bytes) Removable Media: Yes BSD ...
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472 views

Backup iPad to SD card

I would like to never worry about losing any of my data while I'm traveling, away from an internet connection and at risk of losing or damaging my iPad. Is there an app on Cydia or otherwise that ...
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33 views

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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21 views

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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293 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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490 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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724 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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456 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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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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843 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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1answer
137 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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25 views

error formatting micro sd card on macOS 10.13

I have a micro SD card that has noobs for raspberry pi. I want to install ubuntu to it and to do so need to format the SD card. In Disk Utility i went to erase it and it said Unmounting disk POSIX ...
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96 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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104 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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776 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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37 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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18 views

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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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 ...