Sdhc Formatting Failed
Stephany Tousley
So i have purchased not one but 2 32 gb microSDHC cards in the last 12 months. When i first received them they both worked beautifully. Overtime they failed to read and when they would read it was stuck on checking for errors when i tried to install it in my kindles an in any smartphone. I have attempted to erase all data from the cards manually and it refused to delete. Using a microsd card reader adapter i attempted to erase and dump the files off the sd card via a card reader in my pc. That also failed i tried scanning the sd card for malware and errors with ME and Malwarebytes and the sd cards came back clean no malware detected when trying to import all data from the cards i was able to import them and delete them from the card. Be advised that this did take a long time to do but within an hr and half the sd cards photos videos ect were imported on to the pc. I tried reformatting the sd card back to factory from the removable drive and each time it would fail. Assuming it was that i was using a different make and model card reader adapter i went and located the one that came with the cards when i purchased it when scanning the drive it came back again with all the data i had already manually deleted was back (folders) not pic those were in fact still gone. attempted to once again delete all folders and still one item which was a corrupted file kept continuosly appearing on the drive again i attempted to reformat the sd card and once again it will get all the way to the end and then crash. So I attempted to reformat the card using my computer management option an selecting the drive in there and reformatting be advised that the quick formatting option failed within seconds but the drive stated that it was healthy but it was still not readable on any device so i went with a complete reformatting not quick and still wont reformat and is unusable. Now when you go into the TS tabs for this sd card what i did of course is somewhat an option not entirely but it states that if these steps fail please submit a form to have a replacement sent to you my only issue with this is that i bought these crappy (pardon the phrase) sd cards over a year ago and spent a pretty penny on them in Walmart they want to see proof of purchase and a copy of the receipt that you purchased it. Now if i had bought it from sears or Kmart i of course would have a copy of said receipt for crying out loud i have a copy of the receipt of PNY sd cards from kmart that i purchased in store and online but no receipt from walmart where i purchased them in store. So I have no idea how we are supposed to resolve this issue when i have worked and reformatted drives for a living cant get it to work. Has anyone tried something i havent to get these sd cards to work?
Hello, I have the exact same problem with my micro sdhc 32 gb card (nine months old and very little use), I already try everything but the information still there, I cannot delete them or format the card, I think is a manufacturing defect, if you have a solution please tell me, thank you
I've been trying to make a micro SD card module works on my ESP32 (30 pins) by all possible ways, but I always receive the message "Card mount failed" when running the "SD_test" example, or any other code to teste the module.
I don't think the card is broken cause when I test it on Arduino, it shows the wiring is ok and the type of formatting (SDHC). Is this supposed to happen even with a corrupted/burned card?
I'm getting a new one to make sure
I recently purchased the Eufy 2K Pan and Tilt indoor cam and am now trying to install an SD Card.
I have two brand new Sandisk Ultra microSDXC UHS-I A1 class 10 cards and and the camera cannot format either of them. It does recognise the cards when I load them and tries to format but each time the format fails. I have completely reinstalled the camera but same result. I have tried the SD cards in my iMac and they load fine and I have reformatted them to ex-FAT and tried again in the Eufy cam. Same result, the card is recognised but the format fails shortly after the format progress bar reaches 99%.
Other than this problem the cam appears to be working fine.
Have raised a query with Eufy but in the meantime would much appreciate any tips/tricks to get it working.
I had the same problem with a Samsung EVO Select 128GB MicroSDXC UHS-I U3 card I bought from a seller on Ebay. I bought the same card direct from Amazon (fulfilled and shipped) and that one worked fine. So, I can only theorize that considering the number of counterfeit name brand memory cards out there, make sure you purchase only ones from reliable sources to make sure you get an authentic one. Other than that I think the max used to be 128Gb but I think a recent software update increased that to 256Gb.
All the Eufy cams I have are running a very old version of linux. NMAP reports (2.6 or 3.1) as an internal OS. Not sure if that is what limits the file size of the card. The file system written to the cards is Ext4 which should allow much larger cards. Maybe its a hardware issue.
The SD card I bought failed to format inside my Eufy 360 pan & tilt indoor camera. Tried a few times and the formatting kept failing.
I then took the card out and format it using my PC using the exFAT format.
After that, I stick the SD card back into my Eufy camera. The Eufy app asked me to format the card again. This time, Eufy was able to format the SD card successfully.
I don't believe that Rebels of that vintage knew how to handle cards that large. So even if you succeeded in formatting the card correctly, there's a good chance that the camera wouldn't be able to see it all. And at least a risk that images would get misplaced, lost, or garbled.
If the previous response is correct (that you can put about 2000 RAW files on a 32GB memory card) if it worked in your camera you'd be able to take 8000 shots with that 128GB. 2000 or 8000... That's way, way too many images per card, in my opinion. Just imagine if you filled up the card, then lost it or it failed for some reason!
I use 16GB and 8GB cards with my more recent models (that generate much larger RAW files than your camera). Those give me approx. 500 and 250 images per card, respectively. Even when I'm doing an intensive shoot and fill up a dozen or more memory cards in a day, it only takes a few seconds each time I need to swap in a fresh card. I have four memory card cases: three Pelican (practically bulletproof!) that hold 4 memory cards apiece, and one Think Tank "wallet" that holds eight.
Incidentally... write your name and phone number or email address on each of your cards with a permanent marker... just in case. On another forum someone reported finding a memory card full of a large number of wedding images, lying on the sidewalk where someone obviously had dropped it. Using the images, the person who found it was able to identify the church, then called or visited it to track them down and return the card to one very grateful photographer! But, not everyone is so nice... And not every lost card is found.
Get a card marked as an "SDHC" card ... it will have a capacity which is 32GB or less. If it has a capacity more than 32GB then it isn't an SDHC card... it's an "SDXC" card and your camera will not be able to recognize the filesystem format.
True "SD" cards use an MS-DOS "FAT12" or "FAT16" filesystem. FAT12 was designed for use with floppy diskettes. FAT16 (the replacement for FAT12) was updated to address the "large" disks that people started using in their PCs... like 20MB hard drives (that wasn't a typo... a typical PC had a 10MB or 20MB hard drive... if you had a 30MB hard drive then that was really big). The FAT16 filesystem's maximum addressable capacity was 2GB... a size so incredibly lare that nobody ever thought hard drives would be that big (well that's we all thought back in the 1980's). Now just one image from 5D Mk IV would take more space then the entire capacity of the hard drive (a typeical RAW file from that camera is around 45MB... varying slightly from shot to shot.)
This is when your camera is built... in an age where the "FAT32" filesystem exists (which your camera can use) but larger filesystem types do not exist. Your camera doesn't know how to deal with filesystems that didn't exist when it was made.
The industry stagnated for a bit... or more accurately it forked off in many non-unified directions. Microsoft pushed their own NTFS filesystem for large filesystem types. Apple used HFS+. Linux used ext2 followed by ext3, etc. and unfortunately there was no single large common filesystem type that would be recognized regardless of which computer or device uses it.
The "SDXC" cards use this filesystem. It is used for filesystems larger than 32GB and up to it's max limit of 2TB (though I don't think anybody makes a card with a 2TB storage density... at least not yet.)
The advantage of exFAT is "in theory" you should be able to take the card from a modern camera (one new enough that the camera was designed and released after the filesystem exists and knows how to take advantage of it) and that same card can be used in any modern computer (PC, Mac, Linux, etc.) and they can all recognize and use the filesystem type.
The good stuff first: If you're seeing the "Card not formatted, format card with this camera" and then after the instructions you get "Cannot format, change card" it is because the camera is not directly SDXC compatible. I found a solution for my 64 GB SDXC card -
I used a program (or search "Ridgecrop FAT32 GUI") and click on the giant image to download it (weird, but they're British). I scanned it and it was clean & safe, but I won't guarantee anything about it. Windows' built in programs will not let you format as FAT32 - but this will. I believe Mac OS will format as FAT32 just fine but I can't confirm.
It opens right away and then you just tell it to format your SDXC card (make sure it is the correct one! formatting deletes everything on the device). It will format the SDXC card as FAT32. Popping it into the Rebel XS camera just worked and I was able to take pictures and they were saved without fanfare.
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