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40
votes
1answer
5k views

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 ...
15
votes
5answers
2k views

Is there any way to tell if an SD card has been used?

I ordered a “new” micro SD card from Amazon Marketplace. However, it was sent in a small cheap plastic bag instead of the original package. I put it into my PC and found it to be empty but formatted. ...
11
votes
2answers
4k views

Standard SD card and Micro SD card with adapter; same speed?

I'm going to buy a new SD card to be used in my car's audio player. What I would like to know is, if I buy a micro SD card with adapter, will it provide the same read/write speed as a standard SD card ...
11
votes
3answers
12k views

How can I reformat microSD cards that were created read-only?

My company was burning some microSD cards (4000 of them) and the multi burning machine we were using gives us the option to make the microSD read-only. I didn't know this was possible, but ...
8
votes
1answer
8k views

How could I let Skydrive desktop sync to MicroSD in Windows 8 tablet?

I have a Samsung Slate 7 tablet with (now) Windows 8 on it. This machine has a 64 Gb SSD and I have a 64 Gb MicroSD card in it. I also have a Skydrive on my main Microsoft ID that contains about 45 Gb ...
5
votes
2answers
3k views

I am receiving a message stating “unknown device” when i plug a usb or external hard-drive in my computer.

I am having an issue with USB drives and Windows. When any external media device is attached to the computer in Device Manager I receive the message unknown USB device. This happens with USB drives ...
4
votes
3answers
52k views

How can I factory reset my microSD card

I got a sandisk ultra 64gb microsdxc card for use in my Galaxy S3, worked fine. One day I decided to plug it into a cheap camera. The camera said something to the tune of "memory card error" and it ...
4
votes
2answers
38k views

Disable write-protection on Micro SD

My task today is to open up and copy some files to 700 brand new micro SD cards. As I get going on this task I am finding that some of the Micro SD cards are telling me "sorry this drive is write ...
4
votes
1answer
1k views

Is there anyway to simulate Windows 8 running off a microSD card? (Limit the I/O speed)

I would like to install and boot Windows from a microSD card using the Nifty MiniDrive, however, before I pay for the device and microSD card I would like to see the performance differences between ...
3
votes
2answers
1k 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 ...
3
votes
3answers
3k views

Is there a Usb to microsd converter?

Wondering if there is a converter which would allow me to insert a usb into a microSD slot. Especially, on the Asus Transformer! or any other way. Edit: More precisely if there ain't any, why ? what ...
3
votes
3answers
25k views

Restoring microSD partition table

I just found that my HD2 broke its memory card's partition table at once. When I insert the card in my SD reader I get only a whole RAW (unformatted) partition in Windows. Linux doesn't even see it ...
3
votes
1answer
4k views

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 ...
3
votes
1answer
723 views

Sync folders between Windows 8 and Windows RT (Surface RT, MicroSD card)

I'm loving the Surface RT as a decent go-between device, great for meetings and conferences etc, especially with OneNote. I have a 64 GB microSD card for the Surface RT and would like to sync ...
3
votes
0answers
310 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 ...
2
votes
2answers
5k views

micro-SD card slot not working on Microsoft Surface RT tablet

Whenever I try to put a micro-SD card into the slot on my Surface RT, the card does not show up at all. I don't even get an acknowledgement that some device was inserted (other than the usual sounds). ...
2
votes
1answer
2k views

Using MicroSD cards with Metro Apps on the Surface RT

You can add a MicroSD card to the Surface RT (required since in the 32 GB version the OS itself takes up 12 GB or so), but inexplicably you cannot add your data/media stored on the card to a Library. ...
2
votes
1answer
187 views

Recover a MicroSD memory

I connected my MicroSD Memory to a computer and when the computer was reading data from it, I suddenly removed it from the computer. Now there is no files in memory and it's empty BUT My Computer ...
2
votes
3answers
3k 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?
2
votes
0answers
82 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?
1
vote
2answers
8k views

Do memory cards have any max file size limitation?

I am not sure where to ask this question, so perhaps it is physical limitation. I have a 8 GB flash micro SD memory card. When I copy any file size of up to few gigabytes, copying happens ...
1
vote
2answers
12k views

Fix damaged MicroSD card that cannot be formatted

I have, not one but two microSD cards that my phone (Samsung Galaxy Young, Gingerbread OS) seem to have broken. One is 1GB and the other is 2GB. The 1GB one won't be formatted. When I put the 1GB one ...
1
vote
1answer
2k views

Are microSD cards lockable?

I have a .Net Micro Framework app that is failing to write bytes to a microSD card. When I take the card out of the device and look at it on my PC using a microSD to SD adapter the PC cannot write to ...
1
vote
2answers
212 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 ...
1
vote
2answers
476 views

How fragile are microSD cards? [closed]

Especially when compared to USB flash drives My parents tell me to be REALLY cautious with them. But I'm not sure if any convenience costs are warranted
1
vote
2answers
11k views

MicroSD not showing because of corruption

I have a Dell Venue 8 Pro a few months ago which runs on full Windows 8.1 and I put a MicroSD 64GB (Kingston SDCX10) on it's MicroSD card slot and it is working properly. Today my cat tripped my ...
1
vote
1answer
223 views

What class is this micro SD card?

I had a 2GB Sandisk micro SD card lying around but no number written on it. My digital camera's card just died and it recommends a Class 10 card. I bench-marked the micro SD card and this is what I ...
1
vote
1answer
1k views

Samsung 32GB microSD card is not detected by Windows

I have an issue with my Samsung microSD card. I formatted this card on Windows. Now Windows doesn't recognize it (0GB free, 0GB used). I think data was deleted, because when I plug it in on Linux the ...
1
vote
3answers
23k 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 ...
1
vote
1answer
529 views

SD Card damaged by DBAN

In order to wipe external storage of my android, I put the SD card in laptop and ran DBAN. It has become blank but not readable by mobile or laptop. Mobile says"SD card blank or has unsupported file ...
1
vote
0answers
47 views

Windows 8.1 TW700 Tablet microSD Card Seems Too Hot

I picked up a TW700 tablet and, after some tinkering, managed to use NTFS junctions to move \Program Files\ and \Users\ to a microSD card to give myself some breathing room. I'm not expecting much ...
1
vote
3answers
558 views

MicroSD Overlapped partitions

I have a SanDisk MicroSD HC card (16GB) and I'm facing some problems using it. It was installed on a Nolia E71 cellphone (wich can handle SD cards up to 8GB - I believe this is a clue to the answer to ...
1
vote
0answers
935 views

Micro-sd card readable but not able to write or format

I've a Sandisk 64gb class 10 microsd that used to work fine. All of a sudden it has become read-only. I can read all files, but I cannot delete/add any files or format the sdcard in Android, linux or ...
1
vote
0answers
184 views

How to create a virtual drive/hub which represents other devices as virtual folders? [closed]

I'm doing some initial research for an embedded device project I have in mind, and I'd like some help getting an idea of viable technologies which would be necessary to achieve this. I'm not an ...
1
vote
0answers
432 views

SD card LBA not starting with zero

I have a 16 GB SD card. I created two partitions on it to use it with my rooted phone, one FAT32 and one ext4 (possibly ext3 – I don't remember). Now I've changed the SD card in my phone and I want ...
0
votes
1answer
73 views

I wiped my microSD with DBAN and now I can't use it

few days ago I have wiped my microSD card by Darik's Boot and Nuke with PRNG Stream method. Now I formatted my SD to fat32 file system but my Android phone doesn't recognize it, and so does my PC. I ...
0
votes
1answer
490 views

Has a Macro SD card any technical advantage over a Micro SD?

Given two memory cards of the same capacity and same class, the only technical difference I know is that micro SD cards work on any device, thanks to the adapter, while Macro SDs will work only in ...
0
votes
1answer
62 views

Are microSD cards essentially the same inside the shell as a flash drive?

I use a 64 GB Class 10+ microSD card with the computers' built-in card reader (sometimes requires a microSD to SD adapter), in place of a pen drive. This allows me to connect the card to devices ...
0
votes
1answer
121 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 ...
0
votes
1answer
128 views

Is ZFS (filesystem) good for SDcards?

Ive reviewed all filesystems listed here: http://en.wikipedia.org/wiki/Comparison_of_file_systems I like ZFS the most out of all of filesystems listed there. But is it the best choice for ...
0
votes
1answer
43 views

Are MicroSD card to USB bridges size limited?

I'm looking to buy a MicroSD to USB converter and want to use it with a 32 gig MicroSD card. Some online listings for these devices don't mention any size limits, others (for the same model device) ...
0
votes
3answers
4k views

Is it possible to get back data from a Micro SD which is unresponsive?

I have a 2 GB Micro SD card. It was working very fine before few months ago and when I changed the phone I got a new one with that so I didn't use my Old one for a while. But few days ago I need some ...
0
votes
3answers
14k views

Unable to format 32GB micro-SD card

A few days ago I was copying some stuff on a 32 GB micro-SD card put inside an SD adapter, via my laptop's SD card reader slot and the copy froze. I already had a backup of the data, so I decide to ...
0
votes
1answer
38 views

Attempted to format MicroSD card, card became inaccessible, is the card trashed?

I attempted to format a brand new Class 4 8 GB Unirex MicroSD card using a USB adapter to my Windows computer using SDFormatter v4.0. I set the format settings to be Quick format type with Format ...
0
votes
0answers
73 views

Ubuntu 14.04 LTS corrupt microSD - manual recovery?

i have a corrupt microSD card from a colleague. He asked me to save his data if possible. I use a recent usb-multi-cardreader. The microSD is a high capacity card with 32gb of space. I suspect it to ...
0
votes
0answers
109 views

Windows 8.1 can't read SDHC Class 10 card

I have a 32gb SDHC Class 10 card (Sandisk), which I'll refer as card A and a 32gb microSDHC Class 4 with adapter (both card and adapter from Kingston), which I'll refer as Card B. I've tested this ...
0
votes
1answer
38 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 ...
0
votes
0answers
35 views

unable to write to micro sd card

My microSD card got writeprotected within my Raspberry. I dont know why. Everytime i boot up, it fails, because the root system is mounted readonly, or similar. I put the microSD card into my ...
0
votes
0answers
86 views

Can I/How do I force micro-SD card to r/w mount?

I have a SanDisk 64GB microSD card that I've been using in my phone. It recently started refusing to let me save things to it on the phone and I am currently trying to figure out if it's possible to ...
0
votes
2answers
98 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 ...