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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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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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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55 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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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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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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264 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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313 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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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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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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102 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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53 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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59 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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29 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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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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576 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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94 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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53 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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33 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 ...
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33 views

Folders getting corrupted on SD card after installing something?

I got a cheap 64GB card from eBay for like $10 for my Venue 8 Pro Windows 8 tablet, and after installing something to a folder or copying large files to any folder, that folder just gets corrupted. ...
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179 views

ZFS vs existing filesystem for SD-card

I'm thinking that micro SD-cards, because of their high storage density, are probably especially susceptible to bit rot. So I thought I might give ZFS a try. (I'm open to alternatives..) However, I ...
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SD card not mounting [duplicate]

A friend got his SD card wiped by his phone (galaxy S5). I'm trying to recover his data for him. I need to mount the SD card either on windows or Mac Yosemite. Hope you guys can help me :) Android: ...
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Data Assignation Tables vs. actual HDD location values?

This is my first post to any of the 136 SE website's and I just wanted to say how much I value the community and the information. I Apologize ahead of time if this is a duplicate. I spent a fair ...
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54 views

SD memory card recovery - CRC error

I need to recover important photos from an SD card. I was taking pictures with a nikon D90. When I went to put the card into a computer (tried two machines), it did not recognize the card. The drive ...
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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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Apps installed on external SD card and web shortcuts dissapeared from home screen after reboot

I have set the phone to install the apps on the external SD card. After a reboot all the icons of the apps installed on the external SD card dissapeared from home screen. Also, all the web shortcuts ...
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37 views

Can't get rid of corrupted Rar file in SD Card

So I have this 64G SanDisk Micro SD Card (Fat32), and there is a Rar file inside it among many other files which is 0 bytes in size and will not be deleted by any measures, I have tried almost ...
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186 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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40 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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How can I test the full capacity of an SD card in Linux?

I purchased a 64 GB SD card from eBay. It works fine when I burn an Arch Linux ARM image to it and use it to boot up my Raspberry Pi. However, when I try to create a single ext4 partition on it to ...
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Is the lock mechanism on an SD card hardware, firmware, or software (driver,OS) enforced?

Where is the lock to read-only mode enforced with SD cards? Is this done inside the card itself physically, in the firmware of readers, or in the OS? (Some other place?)
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Save Windows 8 recovery SD-card as image

I have a windows tablet from Asus (the Vivotab 8 Note) and I got a microSD card with the tablet, that contains a install.wim to reinstall Windows in case of errors. I want to use this card normally so ...
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what appropriate “Allocation Unit Size” for an exFAT SD card with ReadyBoost

I've brought an 4GB SD card and I'm dedicating it for use by ReadyBoost (on Windows7) Im looking to get the most profit on performance, so i've formatted it with exFAT (as recommended by Microsoft) ...
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Memory card can't be seen in mobile and PC [duplicate]

I have samsung 16 gb memory card which is now inaccessible. It is not recognised by computer or mobile phone. When trying to access it through the command prompt, it says "there is no volume". In the ...
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35 views

2GB Micro SD Card Showing as 1.3TB [duplicate]

I have a 2gb micro sd card and when I insert it into my computer it doesn't show up but when I go into Disk Management it shows as 1.3TB. I have tried the solutions in the question Fix SD card ...
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49 views

Ram full need external card to be [closed]

I have a Trio G4 tablet with 16gb of ram space. I have only 15 programs installed that are small. All are in mb some in kb and my ram is full. How do I wipe out my ram? I have everything backed up ...
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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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Is there a utility that can identify the class of SD card / microSD card? [closed]

Is there a utility, for Windows 7 64-bit preferably, that can tell me the type of SD card or microSD card that has been inserted Class 4, class 6, etc. Freeware is preferred, but I am willing to hear ...
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Grub2 error: out of disk. On fresh install

Fujitsu-Siemens Amilo mini UI3520, HDD replaced with an SD card adapter. In the SD card adapter there is a fake oversize SD card from china, with a partition containing the working sectors only. The ...
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65 views

Dell Inspiron 660 won't boot from SD card

I've recently moved and being the smart guy I am, I left my USB drive back at my old house. I'm trying to use a friend's SD card to reinstall Ubuntu. I set it up exactly the same way as I would my ...
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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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60 views

SDCard restore number of sectors

I have a 8GB SD card which was pre-loaded with android (included in the hummingboard, a raspberry pi alternative). As I want to flash another OS (OpenELEC), I've inserted this card to my windows PC. ...
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57 views

Corrupted Sdcard does not detect in Ubuntu

I have tired may answer provided for corrupted sdcard and below is command any output for the same : My sdcard is 8 gb and i guess as shown in last command it is shown as sdb When i insert sdcard ...
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8 GB SD card shows up as only 6.47 GB after creating ext2 partition; how do I recover the lost space?

I have an 8 GB SD card, on which I created a 1 GB ext2 partition. When I later formatted the card, the capacity of the card appeared as 6.47 GB. How do I recover the lost space ?
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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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532 views

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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58 views

Cannot remove partitions - losing disk space [duplicate]

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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69 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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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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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 ...