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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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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2k views

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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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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39 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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7answers
19k views

IOCTL call error when trying to format an SD card

Found an SD card (1GB) lying around. Thought I might pop that into my card reader and see if anything is on it. Nothing. There isn't even a file system on it. I right-click and go "format" but ...
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29 views

transferring files from MAC on an SD card to save onto NTFS EHD via PC

Can files that are loaded onto an SD card (format to FAT32) be transferred to the NTFS EHD if I do this through a PC?
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1answer
21 views

Load the OS from SD card which is purposed to run on Raspberry, on my computer

I have an SD card where I want to write an OS for my Raspberry, then I want to do some modifications to its files, like create Python code files there in a convenient manner, install libs and ...
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1answer
2k views

MicroSD card getting corrupted for no good reason

I recently bought an MicroSD card online. It's a Sandisk 16GB class 2. However, it has a nasty problem. Every time I fill it with my data, the fat tables get corrupted. I've tried reformatting it, ...
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6answers
546 views

128 MByte vs. 128 GByte

I recently saw a comparison for 2005 vs. 2014 microSD card: in 2005 there was only max 128 MByte microSD cards, and in 2014, 128 GByte. My question: I'm not 100% sure. Is 128 GByte 1000× bigger than ...
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25 views

Cannot browse files stored on mounted VHD with explorer, but can access via apps & directories

Running Windows 8.1 and created a VHD on an SD card (SD: NTFS; VHD: NTFS [bitlocker], Windows 8.1). Created script & task to mount on startup, and have directories stored on it (ie: documents, ...
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2answers
223 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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19 views

How do I boot from a SD card with grub?

I wanna boot from an SD card in my PC's internal SD card reader. Is it possible to boot from the SD card like from a Hard disk ? Is there a specific "command" or something like that? (e.g. hd)
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2answers
279 views

64GB sd card shrunk to 4GB after cloning [duplicate]

I just cloned a SanDisk 4GB Sandisk micro SD card onto a Samsung Evo 64GB card, and now my new card shows a 4GB. I used HDDRawCopy to do this. Can anyone tell me how to reverse this back to 64GB? ...
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54 views

Booting SD card from UEFI

I've come across the problem. I'm trying to boot a bootable SD Card using UEFI. However, this doesn't work, as there is no "SD Card" boot option AFAIK. I have tried putting all the USB-related ...
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25 views

Setting RMB (Removeable Media Bit)

I "expanded" my Lenovo Laptop with an 256GB PNY SDHC card. I would like to show it as non removeable disk. As far as I know there is an RMB (Removeable Media Bit) that needs to be flipped. I found ...
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19 views

Storage reliable measurement standard for sd card, sata hard disk, ssd hard disk

Is there a measurement standard that measure the reliability for the following storage devices: sd card sata hard disk (regardless 2.5 or 3.5 inch) ssd hard disk (regardless 2.5 or 3.5 inch) ...
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4answers
4k views

How to repair an SD card which shows incorrect size?

I've a Transcend SD card for 16 GB and am using it in my smartphone. One day I've discovered that the smartphone recognize it as 6 GB only. I've tried to find the solution to set the correct ...
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8answers
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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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31 views

How do I save my Android phone downloads to an external hard drive connected to a router?

I have a D-link DIR-850L router with an external hard drive connected to it. I want all the downloads from my Android phone to be saved directly to the external hard drive connected to the router. I ...
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2answers
59 views

SD card partition table and allocted sectors very broken

I'm very nearly at my wits end here, fdisk gives my this. Regardless of what i do, everything ive tried it comes back like this. The card even has some music on it and I can still play it. All i want ...
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44 views

fix a corrupted JPEG file? [closed]

The most frustrating thing happened, I was rotating an image on my phone from an SD card and the SD card was "suddenly removed" or knocked out of place in my phone and the image was deleted. It wasn't ...
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17k views

Which is best for ReadyBoost? SD card or USB? [closed]

Would it be better to use a USB or a SD card as use for ReadyBoost? I run windows 7 on a acer aspire laptop. It has a built in SD-card reader, and usb 2.0 ports.
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1answer
29 views

SD card not formatted when using a Windows PC

I have installed Cubian on an SD card and use it to run a Cubieboard which works absolutely fine, but now when I plug the SD card into a window system to make copies, Windows says the card isn't ...
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35 views

Recover a chunk of compressed data from SD card

I split a tar.bzip file in 3.5GB chunks and stored each chunk in a different SD card. After copying the data to all cards, I inserted one by one and opened it to verify that the file was there, then I ...
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3answers
22k views

Cannot delete files or format MicroSD card

I have a 2 GB SanDisk MicroSD card. I normally use this card in my Nikon camera but ever since I used it in a Brother printer, I cannot delete any of the files, write or format the card. I've ...
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2k views

SD card reader not working on Debian

I'm using Debian for about 6 months and my card reader never worked. I tried several solutions I found online with no luck. How can I make it work? Here's the output generated by lspci 00:00.0 Host ...
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2answers
166 views

Deleting (Erasing) all Data from Failed SanDisk MicroSD Card

I've had two 32GB SanDisk MicroSD cards go bad recently. One I was able to temporarily revive using the kind advice offered in this thread: Recover Data from Card that cannot be read When I insert ...
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3answers
297 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
30 views

Effects of Drag & Drop and Copy-Paste on FAT32 file table

I have a digital music changer that simulates a cd changer for my car radio. It can read mp3 files from an SD card, however the order of playback is determined "by time the file was copied to the SD ...
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6answers
8k 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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33 views

Copying files from SD to external hard drive - keeps saying the folder no longer exists but allows me to copy one at a time

So this is a very peculiar problem... I have a 16GB SD card that has RAW photos of it from my Canon DSLR camera. I also have an IOGear SD-to-USB converter. I am trying to copy the photos off of the ...
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41 views

SD Card voids writes

I have a 2 GB SD card that I plug into my computer through a switchless USB adapter. At first, the SD card was unformatted, so I gave it a msdos partition table and a total FAT32 partition. I use the ...
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126 views

Unable to remove write protection from my SD card in windows 7

My SD card is showing: The disk is write protected So I open Diskpart through the command line in Windows 7 and follow these steps: To check my disk name I type: list disk Now I select ...
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1answer
35 views

Do TLC MicroSDs and SSDs need a special tuning for proper alignment?

TLC flash memory has three bits per cell, so block sizes (at various levels) are divisible by three. As a result, when you align the partition just like “use a power of two, 1GiB will be surely ...
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2answers
92 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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2answers
17k views

Why is “/dev/rdisk” about 20 times faster than “/dev/disk” in Mac OS X

According to the rasbery pi documentation, You can load your OS to a flash card with either /dev/disk or /dev/rdisk. rdisk stands for raw disk. /dev/disk is a block level device, why would rdisk ...
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1answer
76 views

If a device specifies that it can support sd cards up to 64gb, would larger sizes work as well?

I understood that 64gb and up are all under the sdxc format/specification, yet many packages/labeling specifies that devices will work with only sd cards up to 64gb (and omit the sdxc spec) - is there ...
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290 views

How to fix micro SD card

I have a 16 GB micro SD card in my android smartphone, and lately it has been acting funny. When I attempted to view the files on my computer (Macbook pro OS 10.9) using a USB adapter, it did not show ...
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2answers
921 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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2answers
3k views

How to rescue from an SD (SDHC) card that I can't reformat (possible hardware failure)

I have a transcend 16GB SDHC card and a lot of photos on it that I'd like to recover. When I plug it into the SD card reader, it takes a while for the Mac to even recognize that there's a disk ...
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2answers
41k views

SSD, SD, eMMC, Raw NAND what are the differences?

so the underlying technology with SSD, eMMC, SD, USB Flash etc... is NAND flash correct? So is the difference between all of them just the way controllers are implemented? Or are the technologies ...
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1answer
158 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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2answers
65 views

Ensure nothing is on an SD card after main system it was on was infected by CTB-Locker

My parent’s computer—which is running Windows 7—got infected by CTB-Locker, an SD card was attached too so it got corrupted as well. I want to remove everything from the SD card, does a simple format ...
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63 views

How can I make a VirtualBox Guest read a SD card in the slot built-in to the laptop?

I’m running Kali Linux in VirtualBox. In order to plug in a device to the “Virtual USB Port”, you must select the “Devices” tab, hover over “USB Devices”, and select the device you require. However, I ...
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2answers
2k views

Why can't I copy all files to the root of an SD card?

I have 4GB SD card that I want to put tons of small photos on for a digital photo frame but I cannot copy all the data into the root of the SD card. About half way though the copy it just fails and ...
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1answer
592 views

Files missing after copying from one sdcard to another using Ubuntu 12.04

I have two Kingston sdcards 8GB and 32GB. The 8GB for HTC Sensation and 32GB for my Tablet (Chinese). I soon ran out of space on my phone and decided to swap the data between the sdcards. I copied the ...
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333 views

Can't move page file to external SD-card

Recently I got a windows 8.1 tablet, but it has very low internal memory (16GB). It has extendable memory via an SD card (I put in 64GB) and I tried moving page file to it, but after setting no page ...
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1answer
97 views

What is the procedure to upgrade a Nintendo 3DS SD Card to a larger one using a PC?

I am preparing to upgrade my SD card on my Nintendo 3DS XL. It's currently a 4 GB card. I want to move it to an SD card with Nintendo's maximum limit of 32 GB. (I have heard this limit is able to be ...
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1answer
34 views

Saving 40 GB of data to SD Card and losing most of it

I have recently used an sdhc card (64GB) to backup computer data. Before formatting, I saved around 40 GB of photos to the card. After formatting, I could only retrieve 7GB of data from the SD Card. ...
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FTL and RAM in a eMMC device

To experts on eMMC devices! (1) How is the flash translation layer (FTL) implemented in current eMMC devices? (2) How much RAM-resident metadata is needed to support this FTL? (3) Is the metadata ...