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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Debian partitions on an SD card - how to fix?

Here's the output of sfdisk -l: Disk /dev/mmcblk0: 242560 cylinders, 4 heads, 16 sectors/track Units: cylinders of 32768 bytes, blocks of 1024 bytes, counting from 0 Device Boot Start End ...
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41 views

8 GB SD card shows up as only 6.47 GB after creating ext2 partition; how do I recover the lost space?

I have 8GB SD card and created 1GB ext2 partition on that. Today i format it and now it show capacity as 6.47GB. How can recover lost space ?
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3answers
2k views

Recover Data from Card that cannnot be read

I am trying to help a friend who is very concerned that she has just lost all of the data on her 32GB SanDisk microSD card. I told her I would post this and see if anyone could offer help. Here are ...
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2answers
42 views

Cannot remove partitions - losing disk space

I am using Windows 7 Pro, I have a 2GB micro SD card which I put a Arch Linux image (iso) on using win32diskimager. _ I no longer care about the iso image or any contents on this drive, I want it ...
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10 views

Is it possible to change the settings in android so that data is saved to the external SD card instead of the the phone's internal memory? [migrated]

This problem has been annoying me for a while. When I download and install an app to my phone it defaults to the phone's internal memory. Not too big of a deal since I can move it afterwards. The ...
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2answers
34 views

Cloning an image to a microSD card

I'm trying to set up a Linux system to boot off of a microSD card, connected via a USB card reader, and I'm trying to clone my existing Linux system image to the microSD card using Partmiage. Every ...
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1answer
22 views

SD card seems to be empty and write protected

When I plug my SD card which has some video into my computer, it says that the SD card has 7.06/14.8Gb left. But when I opened it, there were only two folders which is DCIM and MISC. Inside DCIM ...
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1answer
29 views

Setup SD Card so it only runs on a single Windows 8 PC

A few of our staff are running Windows 8 laptops with only 100gig solid state drives. Recently some of them have been running out of drive space. The main user of drive space is the shared Google ...
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29 views

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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20 views

Deleting file in Active@ Undelete

I am using Active@ Undelete 9.5.59 to recover a folder that disappeared from my SD card. After performing a scan on my SD card via Active@ Undelete, I've found the folder. But Active@ Undelete don't ...
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3answers
95 views

Performance difference between SD and MicroSD cards?

If you compare a MicroSD card with an advertised speed of 48 MB/S to a full size SD card with an advertised speed of 48 MB/S (from the same manufacturer), should their performances be identical? Or ...
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35 views

SD cards often mount read-only on Windows despite being unlocked and always working in cameras

I have a HP netbook that's at least three years old and running Windows 7 Starter. It has a built-in SDHC card slot. I have a couple of 8 gig SDHC cards that I switch between my digital camera and ...
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24 views

Macbook Pro Retina 15" Mid 2014 - Low Profile SD Adapter

I am looking for a Macbook Pro Retina 15" Mid 2014 Low Profile SD Adapter so I can expand the storage on a laptop (Model A1398). However every one of these adapters (on ebay, amazon etc) exclude this ...
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0answers
26 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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1answer
52 views

Is there a difference between SD cards from different manufacturers? [closed]

I thought 16 gb is 16 gb no matter who makes the cards, but I am now confident that's not the case although I don't know exactly why nor how. Can someone explain it to me? I make a lot of SD disk ...
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27 views

Does static electricity affect sd cards?

I'm just wondering, because MicroSD cards are sooo tiny, and I feel like a little static electricity discharge would corrupt everything, since, I believe, SD cards run on flash which is basically ...
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49 views

panasonic sd-audio format, does it exist?

I was wondering if anyone knows about sd-audio. I've a panasonic strada car audio head (from japan, in japanese, so I cannot understand much). It has sd card plugin, and menu item called sd-audio. ...
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2answers
46 views

Image files do not show up on mounted SD card but are still visible via the camera

I am using Manjaro Linux on my Chromebook Pixel. My camera is Oly E-M5. I mount the SD card with the command sudo mount -t exfat /dev/sdc1 /media/sdcard The card seems to mount correctly, and I can ...
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4answers
147 views

How do I copy and write a partition table from one identical disk to another?

I've got several dozen Raspberry Pis that I use as part of a home lab experiment. I created an installation of Rasbian (the Pi-specific version of Debian) on one Pi, and I want to spread it to the ...
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0answers
6 views

Locking Arch Linux with keyfile on USB

I'm currently preparing to install reinstall Arch Linux on my HDD and was going to encrypt the whole disk and then I saw this https://wiki.archlinux.org/index.php/Dm-crypt/Device_encryption#Keyfiles ...
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1answer
38 views

Recover my SD Card [duplicate]

In windows disk mgr I can see this. I have no option to shrink/expand any of the partitions. Tried to delelete everything by DISKPART, but that's also not working: DISKPART> list disk Disk ...
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1answer
48 views

Recover my SD Card

In windows disk mgr I can see this. I have no option to shrink/expand any of the partitions. Tried to delelete everything by DISKPART, but that's also not working: DISKPART> list disk Disk ...
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2answers
110 views

How do I wipe a microSD card that I can't write to?

I have a microSD card that has become read-only. I cannot write to it, or delete files from it, or format it, or repartition it. (Various computers think they can delete files, but after removing and ...
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0answers
12 views

how to connect laptop SD card reader to vmware workstation 10 [duplicate]

I'm running vmware ws 10 on win7, and running fedora 17 under vmware. I'd like to access my laptop's sd card device from Linux, by connecting vmware to the sd card reader. This works fine with other ...
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1answer
55 views

Is there any way to find the remaining life on a SD card?

For SSDs we have a variety of programs that read their remaining life. I'm looking for the same thing for memory cards in a situation where they get a lot of writes. Google is not only not returning ...
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1answer
55 views

How to build an sd card image, without an sd card?

We have a scripted process that builds up an embedded install of Debian Jesse on an sd card. The relevant parts of the script look like this: export DISK=/dev/sdb umount ${DISK}1 # make sure no ...
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10 views

XCube AOpen Ex915 Unable to see MS, SD, CIF, other card drives

I have an XCube AOpen Ex915 that is running XP. I am unable to see any cards that I insert immeadiatly. There have however been occasions where after several minutes I will be prompted by the open ...
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43 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 ...
2
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1answer
50 views

Change auto mount directory of SD card

I want to write a bash script to backup a certain directory, but only to a particular SD card. I want the script to have a way to check if this particular SD card is inserted. I run Lubuntu, which ...
2
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0answers
50 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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1answer
93 views

64GB SDHC (_not_ SDXC) — how to get this to work with my computer?

I have here a 64GB Micro SDHC card. It is not labelled as SDXC, its manufacturer has quite clearly labelled it as SDHC. While this is not my supplier, the image at ...
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93 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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55 views

SD Card cant read

Sorry for my bad english.. I tried to increase my internal storage on my phone by participating my SD Card..So i use MiniTool Partition Home Edition n then i create a partition on my sd card an ...
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2answers
123 views

Refresh SD Cards for Long term storage for video files?

I have a large collection of video files most of them in mp4 format. I currently store them in SD Cards. Once I finish filling a SD Card I lock it and never use it again unless I need to read the ...
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1answer
79 views

Handheld Terminal SD Card error: the file may be in read-only memory, on a write-protected disk or used by another application

I have a handheld terminal and I have made the terminal connect to the PC using USB cable. Also, SD Card is also in the handheld terminal slot. Till a few days ago, I was reaching the files in SD ...
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54 views

Optimal Environment for Secondary Storage [closed]

What's the best temperature/light/humidity exposure for secondary storage (USB/Flash Drives/SSDs), to mitigate the probability of data loss over time? I'm using SD cards to backup data and would ...
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0answers
601 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 ...
0
votes
1answer
55 views

How to automate copying files from external memory?

I'm looking for an efficient way to copy pictures from SD card to HDD. I'm using adobe suite for editing, and I don't want to "clutter" my PC with otherwise useless software (like Picassa). It would ...
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1answer
195 views

Messed up my SD card something awful. Cannot format, reporting bad sectors, bad partitions.. what can I use to repair?

So, long story short - I created an image of my 16GB SD card used for my Raspberry Pi. I bought a 32GB SD card, wrote the image on it and it is now totally bricked. The SD card is brand new, just ...
0
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1answer
28 views

Camera memory card full but cannot read or download files

I've got a CanonSDC-32M card that reads full in my camera but I can only view a dozen or so pictures.Tried it in my laptop and the same result.How could I go about downloading my files or recovering ...
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89 views

How to boot from SD Card with GRUB2 being on another device?

I want to install some OS on SD card (i.e. Chromium OS), but my laptop doesn't support booting from SD slot. Thus, I decide to add static entry for my specific SD card to GRUB2 menu. And I can't ...
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1answer
156 views

Format a protected (corrupted) sd card

Some days ago one of my micro sd cards (a 32gb by Samsung) "decided" it is protected. It has no physical switch and I haven't found a way to format it yet. Every software I try to use says it is ...
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35 views

Does GRUB2 support dynamic menu entries for removable external storage?

I want to boot my laptop from different kinds of external media, but my BIOS doesn't detect all of them as bootable devices, i.e. SD Cards. I don't want to manually create menu entry each time I ...
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163 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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1answer
220 views

Micro SD impossible to modify (write or format)

Recently i had problems with my SD card used for my android device, basically i cannot modify it (write or format). Only read it, if i try format or write, any time that connect and fisconnect from ...
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35 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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168 views

Windows won't let me acces a write protected sd card

I have a micro sd card that I used to use in my old Nokia phone. It worked fine in it. I got an adapter and I'de like to copy the files from it to my computer. When i try to open it in my file manager ...
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votes
1answer
156 views

One SD card transfers file to PC faster than another one

I have several Sandisk SD cards all rated Class 10. One card transfer files to my computer faster than the others. Specifically I had taken several pictures and used a different card each day. One ...
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0answers
124 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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1answer
44 views

Sd Card Reader Not Working after first time use

Last week I got an SD Card Reader to enable me to download my photos from my camera as I can't do it direct from my camera anymore. It worked fine the first time. Then I safely ejected it and the ...