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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How do you format a Micro SD card reader without a SD Card reader?

My Micro SD card reader has recently been corrupted. My PC does not have a SD card slot. I have tried formatting it by connecting my phone(with the card inside) to the PC. But the card has been so ...
20
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10k views

Mac OSX - Why is /dev/rdisk 20 times faster than /dev/disk

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
151 views

When I mount my SD card to my PC, it doesn't appear in my computer

When I plug in my memory card, the drive isn't assigned a letter, etc. Thus I am not able to access it from My Computer. When I run a partition analysis program it picks up the drive, so I am sure ...
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3k views

Do I have a bad SD card?

I'm trying to copy data from my computer to an SD card. After a few hundred megs, I keep getting the following errors in dmesg: [34542.836192] end_request: I/O error, dev mmcblk0, sector 855936 ...
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1answer
1k views

Install linux from sd card

I am attempting to install linux mint 16 (currently running Linux Mint 15) and I have lost my flashdrive I have no disks available so my only option is my sd memory card. How do I make a sd card ...
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2answers
171 views

SD card speed differences

I'm trying to benchmark a micro SD card, and in the process it seems that my laptop's card reader is to blame, but I would like to make more experiments to be sure of it. I have a supposedly Class 10 ...
3
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1answer
71 views

Do I have to expect flash memory wear out when mounting a partition read-only?

I have created a simple kiosk-style Arch Linux installation on a Raspberry Pi that simply launches a web browser and shows some weather information. To make the daily system bootup/shutdown routine ...
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69 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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0answers
55 views

file corruption Issue

I was taking pictures in a wedding and when I was trying to copy them to see them in my PC I had the horrible surprise that I wasn't able to view about 40% of them. First attempt was only a double ...
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0answers
50 views

How do I recover damaged photos on a microSD card?

I have bought a microSD card from eBay, and I have taken some photos with my mobile. At the time I could see them, but after some time some of them cannot be opened. 1) How can I still recover them? ...
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3answers
2k views

Testing a SD card? [closed]

I am suspecting that one of my 32GB cards might be damaged - I would like to analyze it. Is there some free software to run an analysis of an SD card?
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4answers
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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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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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2answers
16k 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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0answers
50 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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1answer
183 views

wsearch preventing USB storage ejection

I've just upgraded to 8.1, and when trying to eject an SD card from the computer (via 'Safely remove hardware'), I get this message: The application 'wsearch' is preventing this device from being ...
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1answer
171 views

Can you build a Windows To Go device with Windows 8 Pro OEM? [duplicate]

Microsoft introduced a feature called "Windows To Go" with Windows 8 Enterprise allowing to install Windows on a USB mass storage device similar to Linux Live distributions. The documentation supplied ...
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1answer
297 views

Debian raspberry pi crashes when writing to SD-card

So after a day of having my pi crash when doing apt-get upgrade and wget i reinstalled debian only to find that the problem remained on the clean system. i did a badblocks read-only test which showed ...
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1answer
230 views

Do SD cards use a buffer or cache?

I'm asking this in relation to a question here, which may clarify the context. I'm trying to ensure that writing repeatedly to the same apparent place ("apparent", since I am taking wear leveling ...
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2answers
10k views

Which is best for ReadyBoost? SD card or USB?

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.
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2answers
4k views

Why is my sd card only readable in the camera but not in the computer?

I am not able to download the contents of my SD card which is full of photos from my Nikon camera. When I put the card into my camera, I can view the photos, without a problem. But when I put the SD ...
6
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3answers
1k views

Copy files from SD Card

I have a brand new 4GB SanDisc SD card. With lot of personal files. (jpg, exe, zip, rar, doc...) When I insert card in my notebook internal reader... first I get this message. Then, if I want to ...
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2answers
2k views

Undelete from SD card on Mac

I accidentally deleted some pictures off my SD card using Picasa on my Mac. Is there any way to get them back?
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1answer
109 views

“Silicon Power 4GB Micro SDHC Class 10 High Speed Memory Card” compatible with Raspberry Pi?

Today I bought a "Silicon Power 4GB Micro SDHC Class 10 High Speed Memory Card". Is this compatible with Raspberry Pi Model B?
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1answer
642 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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1answer
200 views

can I use unetbootin on a phone sd card without losing data?

I have an old droid with an SD card inside, which I can access from the USB cable. I was wondering if I could use a tool like unetbootin to install the desktop version of android without damaging the ...
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2answers
123 views

What type of file is an operating system?

I've been looking up information about operating systems lately, and have yet to find an answer to this question. What type of file is an operating system? Would it be an application(.exe), some ...
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1answer
2k views

Prepare and setup Raspberry Pi image on a PC (virtual machine)

I am considering using a Raspberry Pi in a simple project. It should run some small Java (preferably) or Python console application, in its essence a very simple server. I know this will not be a ...
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0answers
42 views

Why is Google Chrome locking my SD card from being ejected?

A couple times now I've been unable to eject an SD card I've inserted while Chrome was running. Lockhunter says that Chrome has something open. Both times Gmail has been one of the tabs. This time ...
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0answers
122 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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2answers
2k views

Cannot format SD memory card

Hello everyone I have a SD memory card which is of local manufacturer it allows to read & copy from it but not write as it is now write-protected so i want to format that card but could not. To ...
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2answers
643 views

SD card lost filesystem - what happened?

I'm attempting to setup a network with hundreds of fanless (ARM)PCs. Each will have its filesystem on a 32G sd card. The image I'm working with uses Debian 6.x and the card is formatted with EXT2 as ...
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1answer
502 views

Micro SD 32 GB shows up as 50 MB

I just bought a Micro SD a month ago, now I want to use it and I plugged it in into my pc. The original size of the SD is 32 GB and on my PC it's showing up as 55MB, I also tried to format it and ...
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223 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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1answer
2k views

Emulate SD Card as internal hard disk

I'm currently using my SD card (32Gb) as a secondary memory storage because my Windows 8 (not RT) tablet has too little space (50+Gb) by default. I expect to leave the SD card plugged in all the time. ...
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2answers
6k views

Card reader driver not installing correctly, but same driver used to work

I have an Acer Aspire 7720G-813G32Bn laptop. It has integrated (maybe 3?)-in-one memory card reader. The reader uses Ricoh chip from R5C8 series. I don't know the exact model number. I can't see the ...
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0answers
383 views

Problems copying to VFAT formatted SD-card

I was going to copy my (mp3-encoded) music files (organized in one directory) to a (vfat-formatted) (micro-)sd-card to use it in my digital audio player (DAP) (on Linux). I used to use the same ...
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3answers
662 views

How to tell if you have a fake sd card

I've been given some flash drives that appear to be fake. The silk screen says 64 gigs, and they show up as 64 gigs to the OS. However if you attempt to write any files larger than 4 gigs the file ...
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1answer
1k views

How can I mount a sdcard and view it in /dev of a virtualbox guest

I'm trying to insert a SD card into my laptop (it's got a side slot for one) and have it show up on the guest machine running in a virtual box. Host: Windows 7 64 for x86 Guest: Ubuntu 64bit I want ...
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4answers
4k views

Which consumes more power: hard drive or SD card/card reader?

If I want to maximize the battery life on my laptop, where should I store my programs: my magnetic hard drive or my 16GB SD card? If you say hard drive, does a card reader draw significantly more ...
11
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3answers
387 views

What is the replacement of the floppy

While CD (and to an lesser extend DVD) disks have reached the price-point of the floppy, they have one significant downside, it is WORM (Write-Once Read-Many) media, allowing it to be used only one ...
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713 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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1answer
2k views

Reading the 2nd partition of CHDK-enabled SD card in Windows

I have a canon camera from before 2011. I've made my 8GB card bootable in the camera by creating 2 partitions, boot partition of 2GB FAT16 and a FAT32 one with all the rest: photos, alternate firmware ...
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120 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 ...
18
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5answers
11k views

Recover data from SD card

I have a 2 GB Kingston microSD card which is about three years old. I put it in a reader today in my Windows Vista computer, wrote a 32 MB file onto it, safely removed it, and then tried to ...
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1answer
807 views

How to boot Ubuntu from my SD card?

I have installed Ubuntu 12.04 onto a micro SD card for an embedded device. However via the SD card adapter I have, I would like to boot it up on my laptop for development purposes. The SD has 32gb ...
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1answer
1k views

Create Shortcut to Files in my MicroSD Automatically

Some days ago, I got a problem with my Micro SD. The problem is this: When I connect my Micro SD to PC, and when I went to its drive, i can not see anythings there. Just there is a Shortcut with the ...
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1answer
145 views

System files missing after copying an SD card in OS X

I copied all my files from a 4 GB to a 16 GB SD card via OS X Finder, and lost quite a bit of system files that my Android can't find. Is there a trick to get everything to transfer?
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127 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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1answer
305 views

Micro SD card not getting detected

I have a micro SD card which run on my one 4 year old computer by inserting in the card slot directly.But on an one month old computer it is not even giving a beep of being detected.Any suggestions?