Secure Digital (SD) cards are a widely used memory card format used by many technology brands brands in portable electronic devices such as digital cameras.

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Error whilst initializing SD card on Linux

I have noticed troubles with my microSD card in my Android phone and when I tried to insert it into my Linux laptop, I get the following error in dmesg: [ 247.588279] mmc0: error -123 whilst ...
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42 views

dd an image, but only getting a fraction of the space on my SD card

I downloaded an image of Ubuntu Linaro. I then dd the image onto an SD card that is 32GB as follows: sudo dd bs=4M if=ubuntu-14.04-hdmi-z7010-20140611.img of=/dev/mmcblk0 Works fine, I can boot ...
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647 views

Format 64gb SDXC card as NTFS file system

I've tried using Windows (8), Linux (Ubuntu 14.04), and Android (Samsung Galaxy S4) to re-format my old SD card. It is currently formatted in exFat, and it seems that during an rsync 3 of my music ...
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339 views

How delete “Other” files in SD card windows phone

When I opened Storage Sense from my Lumia mobile, it has a section of other files. And it is saying around 1.3 GB of other files are present and they were not recognized. It also says, connect mobile ...
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31 views

sdcard performance bottleneck

I have loaded my 4 GB FAT32 sdcard almost entirely with mp3 files. Now, I cannot remove none of them because "discovering items" never ends. Even command line tools last forever, including format e:. ...
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92 views

What is the purpose of the contacts under the sticker on the underside of this microSD card?

Many (most?) microSDs have a sticker on the bottom: I peeled one off, and revealed several small copper contacts beneath it: What is the purpose of these?
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376 views

MIcro SD card gets slower after partial fullfillment

I have a micro SD card from Kingston - 32GB class 10 When i'm writing on it using usb card reader or my phone, average write speed is about 6MB/s But after about 10GB of data written into it, ...
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524 views

Android: External SD Card storage size

I have a Samsung Galaxy S4 Active SGH-I537. I let it format my Samsung Class 10 SDHC 64 GB card. It used exFAT format. I then transfered my MP3 collection to it, which is about 34 GB. When I finished, ...
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31 views

SD card not detected

I have a SD card with photos I'd like to recover. The card suddenly stopped working in camera, maybe because of the temperatures like 40C outside. The camera can't read the card and advises to use ...
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36 views

SD Card calculate lifetime

I wanted to calculate the lifetime of my SD-Card but i am not sure if i do it the correct way: My SD-Card uses SLC Flash which can have about 100k write cycles. I write a new file to the card every ...
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65 views

Can't recover sd card

I have a SD card I can no longer access. I would like to recover its data. I use a USB SD card reader. When plugged in, the SD card is not mounted, not shown with fdisk -l. Output of syslog when ...
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23 views

SD card img file copying on linux

I am trying to make Banana PI bootable SD card. First delete old partitions from SD, then create two new partitions and format them as vfat and ext4, as here described Then copying disk image: sudo ...
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38 views

OSX: Making sure Dropbox always starts after SD card is mounted?

I have a Macbook Pro with a relatively small SSD, so I use a 128GB MicroSD card in a nifty little adapter I plug flush into the side of the laptop for some extra storage. I have quite a large ...
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126 views

How to resize filesystem for 32GB cards with Odroid-C1

When installing Ubuntu on an Odroid-C1 with a 32GB micro SD card, how do you make it use the entire card? Following the instructions on the Odroid wiki, I was able to get Ubuntu-14.04 running on my ...
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130 views

Surface 2 tablet: moving apps to sd card triggers errors

I'm trying to move the WindowsApps folder to my SD card on my Surface 2 tablet. It's a 32 Gb model, and already out of storage. As a workaround (Windows RT forces uses to install only on the built-in ...
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100 views

Installing Visual Studio in removable disk

I'm using tablet(ICONIA TAB). I bought a 32gb sd-card, then I tried installing VS but it said it cannot be installed to any removable disk. I searched and I found a solution: 'CLICK ME' (Please look ...
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153 views

Effectiveness of SD Card write protect switch as protection from viruses

Given that the SD card write protect switch simply indicates to the OS that it is switched, and doesn't prevent writes to the medium, how effective is enabling write protect against viruses? Are ...
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2k views

Cannot format micro SD Card in mac OSX 10.9

I tried everything but I cannot format it. When opening the disk utilities I get 2 partitions, one which is greyed out. When trying to format the first one it says "couldn't unmount disk". When ...
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486 views

Filesystem on sd-card lost

Last time I want to bring my photos from SD-card (Sandisk Ultra SDHC 32 GB) to my computer (windows), my computer said that there is no file system on the card and I should format the card. Also my ...
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65 views

Use SYSLINUX to boot from a separate device

I have a laptop with no harddrive that I'm booting from a modified persistent LiveCD thumbdrive, but performance is terrible due to the low speed of the thumbdrive. I also have a class-10 SD card of ...
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187 views

Internal card reader not recognized on boot

In 9/10 times, my internal card reader is not recognized when booting my pc. It's a desktop computer and the card reader is attached directly (internally) to the mainboard (Asus H81M-K) via 9-pin ...
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63 views

Worm memory card or pendrive

Do you know if exists a WORM Usb / Flash / SD memory? I want a write once memory not switchable (I can not delete file anyway). I found a Sandisk WORM SD card, but seems out of production...
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268 views

No Read/Write SD Card Permissions on Windows 7

I'm sorry, I try as often as possible to avoid repeating questions but I've tried the suggestions on previous threads here and elsewhere and I cannot fix it. I have an SD card I'm trying to open ...
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74 views

Quicktime killed my AVCHD file

I have a Sony DSC-HX50V photo camera. The system I have been using for video storage is this AVCHD thing, which consists of a big file storing all the videos. Using Quicktime under Mac OS 10.9.2, it ...
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529 views

How to repair SD card that was unplugged during formatting?

I tried to format my SD card on my Windows computer but unfortunately I pulled it out during the process. Now it can't be recognized. I tried to wipe it using disk utility on Mac OS X but after it's ...
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99 views

My micro SD card issue

I have a micros SD card. When I put it into my windows 7 machine using USB adapter, windows explorer shows that and I also can open it and see the files and folders. But I can't run the files and open ...
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986 views

Micro-sd card readable but not able to write or format

I've a Sandisk 64gb class 10 microsd that used to work fine. All of a sudden it has become read-only. I can read all files, but I cannot delete/add any files or format the sdcard in Android, linux or ...
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2k views

SDcard /dev/sdb2 is apparently in use by the system; will not make a filesystem here

I divided my sdcard into 2 partitions, but It got an error and couldn't create a new partition. Error: /dev/sdb2 is apparently in use by the system; will not make a filesystem here! My ...
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57 views

HTC Android Fails to mount- Mount from computer?

I Have an HTC Incredible S (S-Off, Rooted, ViperVIVO 1.3.0 ICS) that has seemingly ceased to posses the ability to mount its SD Storage to my computer. For whatever reason, whenever I plug in my ...
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135 views

SD Card Not Detected…Any Last Resorts?

I've got a 16GB Class 10 SD card that I've been using in my Raspberry Pi. It became unresponsive last night and my only other option was to pull the plug, which I know was more than likely to cause ...
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235 views

Windows detects SD card but can't read it's contents

All of a sudden my Windows XP PC can't read what is on SD cards and some USB sticks. Even though the drive is detected, it shows it empty. I don't have that problem reading the same cards on my ...
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150 views

Windows can't access/modify large SD Card Files

I have a 32GB SD Card I use with my GoPro. It's FAT32, and I'm running it on Windows 7. I have 50 files or so on it of videos from my GoPro. I can copy all but two off of it. Those two are the ...
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166 views

How to clone a SD card from HP network attached photosmart printer using Linux?

How to make a low level (file system unaware) cloning of a SD card inserted in an HP Photosmart printer, which is accessible via a local network ? smb://192.168.1.58 (192.168.1.58 is my printer IP) ...
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150 views

One particular SD card not working

I have a 32 GB SanDisk class 10 SDHC card. It works perfectly in my camera and in my netbook. However, when I plug it to my notebook I got this in dmesg: [ 1824.729234] mmc1: error -110 whilst ...
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365 views

My files on micro SD card not showing on macbook pro 13"

Used to work fine. Could it be a virus from Window PC, I can't see my photos on SD card on mac. Is there any way to copy these views. I know I can try it on Windows PC and that might work but I don't ...
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813 views

What are my best options to recover data from a faulty SD micro card (used in an Android cell phone)?

My wife is having troubles while syncronizing the data from the SD micro card of her LG android phone to her portable pc. It keeps remaining stuck forever at a given photo (#21). I tried to access it ...
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61 views

Are SD flash memory cards “secure”?

Regarding SD flash memory cards, SD stands for Secure Digital. Do SD cards or any of its variants (SDHC, SDXC) have any particular security features compared to other types of flash memory cards such ...
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366 views

Partition SD Card?

I want to partition the SD card so that I can use Apps2SD application (on my Android phone, a Samsung GT-i5503). I just would like to know if I can partition my SD card using "Computer Management" in ...
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24 views

Can’t move one-drive in a micro-SD card

I’m having trouble while moving my windows one-drive folder to a SD-card. I have the SD-card NTFS-formatted and it is located in my C: drive. When I try to move one-drive by going to its properties ...
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10 views

SD Card corrupts 3rd and 5th file

I bought a SanDisk Extreme 64GB SD Card a few weeks ago which I accidentally removed from the card reader while it was formatting. I use it with my DSLR and format before every shoot. This corrupted ...
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16 views

Recover data from locked BlackBerry SD Card

I have a backup of my SD card from a few years ago, while I was using a BlackBerry device. Foolishly I did not check the quality of the contents while backing up. Since then I have changed phones and ...
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25 views

Error when booting iPod Video 5G after installing SD card

I bought a used iPod video (A1136) as a project piece to install an SSD in and run Rockbox. I bought a ZIF>CF>SD adapter and am using a 128GB SD Card. I got everything connected correctly and the ...
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62 views

Where to find Win32 Disk Imager or an alternative when you don't trust Sourceforge

I need Win32 Disk Imager in order to write Raspbian on an SD Card. It seems the place to find that software is Sourceforge, which nowaday can hardly be considered a safe place to download software. Is ...
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139 views

How to make SD card a permanent driver on ASUS Transformer Book T100?

I have an ASUS Transformer Book T100 and I'd like to improve its memory capacity to install more software. I have a 64GB micro SD card that will do the job if I could set it as a secondary HD instead ...
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63 views

MicroSD Card not being read by usb adapter on OS X Yosemite

I have a MicroSD card which I plugged into a USB sd card reader. Looks like this: The MicroSD card goes all the way in (left it out to show where it goes). When I insert the USB in my Macbook Pro, ...
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42 views

How can I have the wrong volume in the drive?

My phone took a bath in the river a few days ago. The phone is dead, but the SD card works still. However it is excruciatingly slow! The average read speed is well under 50kb/s. To copy 32GB of data ...
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13 views

SD cards with Wireless : what's the best workflow?

SD cards with wireless capability seem like a great idea, but... I was surprised to learn that the cards, eye-fi for example, put themselves as hotspots, and that a listening device, android or puter, ...
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22 views

I can read data from a micro SD but the data I write to it gets lost. Is it completely broken?

I am experiencing a very weird issue with a micro SD card. I can read data from it (as far as I can tell it's not corrupted) but I cannot write anything to it. When I try to write data to it OSX ...
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41 views

SD card asking to be formatted half way through copying

I have a Nikon D3300 with a 4GB SDHC card. I went out the other day and took about 5 photos to test it, copied them to my pc (windows 7), and all worked fine. I went on another trip today and took ...
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76 views

I cant format my 64gb transcend sd card

I partitioned my 64gb sd card into two fat32 and ext4. I am using android mobile and used the ext4 as a way to increase the internal memory of my phone. Suddenly the phone gave error that it could't ...