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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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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sdcard performance bottleneck

I have loaded my 4 GB almost entirely with mp3 files (FAT32). Now, I cannot remove none of them, even with command line tools. I tried to format e: but cancelled it after 24 hours (sdcard reader ...
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42 views

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

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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13 views

Photos show up as blank after putting them on SD card [migrated]

Inserted a 32 GB Micro SD card. Phone recognizes it and I can copy photos on to it and they all appear to be there. But when I restart the phone many of the photos show up blank. Any way to fix ...
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20 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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1answer
35 views

Why is half of this SD card unpartitioned? [on hold]

I came across a 2 GB MicroSD card that came out of an old phone. When I mounted it, only 1 GB was usable, and after some quick digging, realized that half of the SD card was partitioned as fat16, and ...
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25 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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26 views

SD card broken and won't show up in PC

I used my SD card in my Android phone for 1 year. Today my phone said, that my SD card is broken and it wants to format it. Putting it out and in didn't help. So I decied to recover my data - I used ...
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2answers
35 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
120 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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5 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
32 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
47 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
73 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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13 views

Set Android device default install location to external SD card [migrated]

I have Samsung GalaxyS2. Is there a way to set the default install location to SD card of all downloaded apps from play store.
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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
54 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
45 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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29 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
41 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 ...
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41 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
75 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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73 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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53 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
78 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
65 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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52 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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404 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
50 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
163 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 ...
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1answer
26 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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68 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
135 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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29 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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119 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
185 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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154 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 ...
2
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1answer
115 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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101 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
41 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 ...
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1answer
433 views

How do I repair an SD card whose partition format cannot be recognized?

I have a 2GB SD card that was reportedly unreadable on several digital cameras and computers, and I need to get data from it. When I put it in my Mac using a card reader and check Disk Utility or use ...
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1answer
83 views

How does 200x or 300x in relation to an SD card differ from the class rating?

I've always understood "class 10" (or whatever) to refer to the speed of an SD (or SDHC) card, but apparently ratings like 200x or 300x also refer to speed. How do the two rating systems differ? ...
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181 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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1answer
98 views

When formatting an SD card, can you set a custom allocation unit size?

I have an SD card that will only store files of 512, 1024, 2048 and 4096 KB in size. I wanted to set the allocation unit size to 512KB, but the maximum allowed in Windows is 64KB. Can I set this ...
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1answer
183 views

Undetectable SD card

I've had some weird stuff going on with my phone SD card so I decided to format it. Right at the 100% of formatting the message box with "Windows can't format this drive" popped up. Now the card is ...
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38 views

Worm memory card or pendrive

Do you know if exists a WORM Usb / Flash / SD memory? I want a write once memory not switchable (I can not delete file anyway). I found a Sandisk WORM SD card, but seems out of production...
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1answer
95 views

Hard drive restore on reboot on windows embedded

My company has an old out of service device with windows embedded on it that we want to re purpose. Any changes to the drive (SD Card with 2 partitions), (ie: installed software, ip address, system ...
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20 views

I want add a new virtual sd card into vmware desktop

I have a VM Ware desktop virtual machine. I need a "virtual" SD Card, but there is not in hardware list and i can't add it.