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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My SD card deletes new files by itself

I am using 64GB micro SD-Card. I always put it into my laptop slot for secondary storage. Recently, I found a big problem that my SD card won't work properly. I mean, When I copy new files to the ...
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23 views

Android says Damaged SD card at EVERY card [migrated]

I faced a problem with my 32 GB SD Card on Samsung Galaxy Grand Prime. Device says Damaged SD card. I changed it to a brand new (also 32 GB) SD card... And problem didn't gone. Each card read perfect ...
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1answer
1k views

How can I determine if my Dell M4600 built-in SD card reader can support SDHC cards?

I'm running x64 Windows 8, and the SD card reader in my Dell M4600 is unable to read my SDHC memory card. The reader is listed as "SDA Standard Compliant SD Host Controller" in device manager. I'm ...
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2answers
3k views

Unable to format RAW SD card?

The phone is suddenly switched off when I copying files to my Micro SD. After that my phone couldn't detect that SD. Then I insert it to pc using card reader. when I try to open SD drive on pc, the sd ...
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0answers
40 views

How to check if SD/USB card become corrupted?

I have some raspberryPi2 model-B boards, using USB drives as their root filesystem. As it turned out, the USB chips I had chosen are prone to build up tremendous heat, and after 6-8 months, they ...
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18 views

Internal SD Card Drive not Returning/Waking up after Sleep/Hibernate

Here is the setup: I have an internal SD card reader in my laptop. It contains a 32GB SD card that contains my research library. Information I use on a regular basis. The problem: When the ...
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4answers
60k views

How do I repartition an SDHC card in Windows?

How do I repartition an SDHC card (4 GB or more)? Do I need third-part tools or Linux (a live CD solution would be OK)? In Windows' Disk Management the option Delete Partition is dimmed out: ...
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18 views

Understand the superblock error

I know this is a common error, but trying the solutions proposed in other threads hasn't fixed yet the issue. Furthermore I want to understand what I'm doing. This is what I did: downloaded an RPi ...
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1answer
24 views

USB flash drives or SD cards with S.M.A.R.T

Do any mainstream manufacturers incorporate Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) into their USB flash drives (aka "USB sticks") or SD cards? If not, why not? It can't be ...
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2answers
34 views

How do I put a Micro-SD card into a slot for SD/MMC/SDHC?

An electronic picture frame has a lot for SD/MMC/SDHC. A Micro-SD card came with it and is supposed to go there, but is clearly too small for the slot. How do I insert this card? There is no ...
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1answer
2k views

Create bootable SD card

I have a Toshiba Portege M205 tablet. The hard drive died, so I picked up another one and stuck it in there, with the intent to reinstall Windows XP Tablet. However, this particular computer did not ...
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8 views

After resetting my Linx7/Win10 tablet - can't see MicroSD in Settings/Storage

It has worked before the reset (complete, removed all files). I can see/use the SD card to save files in Explorer, etc., but do not see it in Settings->Storage. Once I format the card/change drive ...
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1answer
27 views

Mac Not Able to Read SD Card

I have a microSD that I use in my raspberry pi. I have it plugged into my mac through an adapter and am trying to use it. However I cannot erase any of its contents and it (contents) does not show up ...
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0answers
18 views

SD Card disappear from Windows on Macbook Pro after waking up

I have the SD Card for my Macbook Pro running Windows. Every time the laptop goes to sleep and wake up, the SD Card disappear. It only comes back if you restart - I tried install new BootCamp driver, ...
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21 views

Unencrypt an SD card from a .key file

First of all, I'd like to apologise in case I asked this in the wrong place. I didn't think that this question was advanced enough for the Cryptography site, and not security-related enough for the ...
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0answers
174 views

What does “the wrong volume is in the drive” mean?

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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2answers
5k views

Can 64 GB micro SD card be used for software installation in ASUS X205ta?

I have bought an ASUS X205ta which comes with 32 GB SSD storage. As 32 GB storage is very small, I am planning to put a 64 GB micro SD card in it. Is it possible to install software (like Skype, Viber ...
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25 views

Rescue SDcard spoiled by Android phone

My SD card is dead. It is a sandisk 32GB model (genuine one as I bought it from a well known seller). All I can see is a partition with 32MB total space. I've tried to recreate the partition table in ...
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1answer
57 views

ext4 SD card formatted on Linux, and will not show on OSX

I formatted an SD Card as ext4 on my Debian machine. Before I formatted I deleted all partions, created a single partion, and write the changes. I was able to mount the SD card on my Debian box and ...
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2answers
500 views

how do you fix a corrupt microsd card that's is not responding to anything?

My Microsoft Windows 8.1 64-bit computer froze up so I had to shut it down by holding the power button. Then when I restarted I got the Windows 8.1 problem where the computer freezes at personalized ...
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0answers
7 views

Enabling DDR in SD/MMC causes problems? CMD 11 gives a response but the voltage switch wont complete

I am trying to enable DDR in sd (spec above 2.0) the procedure in the specifications is as follows Execute CMD0 to make the card idle. Execute CMD8 to enable ask about the voltage requirements ...
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1answer
23 views

wear leveling on SD cards

A well-known SD card producer advertises that his SD cards use wear leveling. If enough space is free on the card, write access is evenly distributed over free memory. But how does the built-in ...
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11 views

Link errors with symlinks

I've moved all the files of ./usr to an external drive /home/Linkados/usr (SD card 8Gb) using $rsync --progress -l -r /usr /home/Linkados/usr Then I created a symbolic link from my SD to my flash ...
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65 views

32GB Sandisk unable to be formatted

I received a Sandisk 32GB microSD from my dad who asked me to format it. Plug it into a USB-based adapter (no write protection switch) and tried to access it on my computer. Problems : right ...
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2answers
37 views

How to test new SD card in Windows?

I purchased a new microSD card and I basically want to test it to ensure it's not corrupted and it's speed is within the specification printed on the packing (Class 10). How can I do that?
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2answers
92 views

How can I retrieve data from a SD Card when photorec doesn't work?

A friend of mine took pictures of a Halloween party with his camera, and when he put the SD card in his computer, some of the pictures went missing. Knowing that I have successfully rescued his HD ...
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1answer
39 views

How do I get my ASUS X401A laptop's SD/ MMC card reader to recognize I have an SD card inserted?

I had bought 2 external SD card readers for my laptop and just today realized I have a 2 -in-1 card reader ( SD/ MMC) on my laptop! But when I tried putting a 16 gb SD card into the slot and pushing ...
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2answers
12k views

SD Card RAID System

Is it possible to setup a RAID system with SD-cards? Of course, the system would work better if all of the cards are exactly the same. If it is possible, can all or most operating systems handle this ...
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0answers
28 views

Photos app won't display recent pictures

On my Tablet running Windows 10, the Photos app will now longer display new pictures synced to the SD card of the device. This behavior started in December 2015 - so Pictures from November or earlier ...
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1answer
806 views

“Real” raw access of flash memory cards?

I have a 16GB microSDHC card that apparently was nuked by the phone (a friend's phone, not sure which, but I can find out): while taking pictures, it suddenly could no longer access/recognize the ...
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1answer
40 views

SD Card Ignores Formating and file writes

I have a 16 GB Micro SD card from Samsung, and have only had it for about 4 months. I have not used it recently, but now that I have tried to format it, it does not work. On all the tools I have used ...
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2answers
2k views

Recover SDHC card used in an SD card reader

A while ago when SDHC cards were fairly new and all the office computers had only SD card readers, I made a 4 GB Class 6 ADATA SDHC unreadable and unformattable by trying to get it to work in SD card ...
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1answer
87 views

Write raw bytes to SD card on Windows

I am working on an embedded systems project in which we need to store some data on an SD card and read it with an FPGA. It would be simplest not to deal with a file system in this case, so I would ...
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1answer
360 views

I can't view my JPEG images in my windows 7

I have a Canon EOS 1100D and Apacer SD card, I transferred my images to my laptop windows 7 by inserting my SD card to my laptop. I can view the other images but the other cannot. It says "Windows ...
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1answer
47 views

64GB SD card missing files but correct size

I have a 64GB Samsung Evo class 10, which suddenly stopped working on my phone; can't mount/detect it. I accessed the card via laptop, which says 28GB used. But when I copied or scanned the files, ...
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1answer
57 views

SD card is titled “RECOVERY” and only has 1GB after using RPi

I was using a Raspberry PI 2 Model B, and I installed NOOBS. I selected and installed Raspbian, and I used my Pi for about 24 hours before I decided to re-install the OS. When I plugged in my micro SD ...
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1answer
433 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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1answer
36 views

Recover data from unreadable SD card [duplicate]

It's an 8GB micro SD card. It was on my Sony Xperia android smartphone, I almost never removed it from the phone. Suddenly about a month ago, the phone displayed a message saying that the card is not ...
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9answers
96k views

How to access an SD card from a virtual machine?

I want to format an SD card from my Linux virtual machine. I have a built-in SD card reader in my laptop. I tried using VirtualBox and VMware Player and installed Ubuntu 10.04 guest. None of them are ...
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1answer
49 views

How to troubleshoot slow read/write times from a multifunction printer/scanner's SD card?

I have been trying to help a friend diagnose a problem with their technology. On their WiFi network, they have an Epson WiFi printer/scanner and several Windows 7 SP1 systems. The printer/scanner ...
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3answers
224 views

Is there such a thing as a WORM (write-once-read-many) SD memory card or USB flash drive?

Do you know if exists a write-once-read-many (aka: WORM) USB flash or SD memory? I need an electronic write once memory to meet law requirements for storing sensitive data, and I want an alternative ...
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1answer
29 views

How to know if an SDcard is about to fail?

I have an SDcard that is still working fine for about 8 years now. I am using it for an DSLR camera. I am quite paranoid that it will soon stop working while taking photos of an important event. Are ...
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0answers
28 views

no /dev/*, but /sys/bus/mmc device info on damaged SD-Card [duplicate]

A friend gave me a broken SD-card, hoping I might recover something from it. I have no trouble mounting any other cards, whatsoever. I am not getting any block devices in /dev, but the mmc subsystem ...
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2answers
9k 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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1answer
3k 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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1answer
74 views

Android can read my MicrosSD card but Windows cannot

I have recently bought this MicroSD card. The disk was working nicely with my both Android device and Windows PC (through its built-in MemoryCard reader). This is what I have done to cause the ...
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4answers
412 views

MicroSD card is not detected by Windows

I formatted my MicroSD card to HFS+ and then back to NTFS from within my Phone device (using an app namely Paragon exFAT, NTFS, and HFS+). Now that I insert the card into my PC (Windows 7), the ...
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0answers
17 views

What is the difference between the UHS version and the UHS speed class of a SD card?

What is the difference between a SD card UHS version (UHS-I or UHS-II) and the UHS speed class? It seems they go hand in hand. Are they just redundant (UHS-I is always UHS speed class 1 and UHS-II is ...
16
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6answers
14k views

How to use Cygwin to copy an image from an SD memory card

Long story short, I'm working on a Windows 7 machine and I'd like to strip the image off an SD card (backing up the card from a Raspberry Pi). I'm trying to use Cygwin, but not having much success. ...
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3answers
5k views

Windows 7 Virtual Memory Optimization - ReadyBoost vs. Flash Swap vs. RAM Disk?

At first i thought ReadyBoost means having swap file allocated to flash drive which is wrong because ReadyBoost serves as additional storage for swap file or should i say it mirrors swap file on hard ...