
SD Cards Suck
#1 Posted 27 August 2018 - 06:45 PM
Crap.
This post has been edited by MusicallyInspired: 27 August 2018 - 06:46 PM
#3 Posted 28 August 2018 - 04:13 AM
You do have those files on backup in case you need a new card, right?
#4 Posted 28 August 2018 - 04:25 AM
#5 Posted 28 August 2018 - 12:44 PM
#6 Posted 28 August 2018 - 05:59 PM
This post has been edited by Jimmy 4k: 28 August 2018 - 06:00 PM
#7 Posted 28 August 2018 - 07:49 PM
#8 Posted 03 September 2018 - 03:34 PM
Jimmy 4k, on 28 August 2018 - 05:59 PM, said:
Even if data is written to it once, then the card is stored in a box until you need the data again?
#9 Posted 08 September 2018 - 08:47 AM
Try it in the card reader. Make sure the card reader is plugged into a USB port on the back of the motherboard of the computer, not in a front case port or an external hub.
Solid state memory (NAND or Flash) has a finite amount of read/write cycles. It is possible that your card has just reached the end of this cycle, but you would have had to really hammer it to do so.
There are a variety of different ways of recovering data, both through recovery software and physical means, but that will start to get expensive.
#10 Posted 08 September 2018 - 10:47 AM
Then again, some data is tied to the SD card and the phone could have been possibly reading and writing to it randomly for different purposes. I don't think I had any apps installed on it anymore but....who knows.
#11 Posted 08 September 2018 - 11:26 AM
Try the eraser/alcohol and then reload the card.
Does Windows recognise it? Have you tried it on a different machine/card reader?
Was your phone an Android? Did you have Google Photos enabled to back up your pics, maybe unintentionally?
This post has been edited by Tea Monster: 08 September 2018 - 11:30 AM
#12 Posted 08 September 2018 - 02:46 PM
#13 Posted 10 September 2018 - 04:52 AM
This post has been edited by Person of Color: 10 September 2018 - 04:53 AM
#14 Posted 11 September 2018 - 02:28 AM
Back panel can make a difference.
#15 Posted 11 September 2018 - 05:16 AM
#16 Posted 11 September 2018 - 08:33 AM
#17 Posted 11 September 2018 - 10:51 AM
Also, I never said anything was a memory problem.
This post has been edited by MusicallyInspired: 11 September 2018 - 10:51 AM
#18 Posted 11 September 2018 - 11:45 AM
MusicallyInspired, on 11 September 2018 - 10:51 AM, said:
Also, I never said anything was a memory problem.
You are right, it was a thought of mine.
Honeslty i never used it, so i can't guarantee that will work for sure (you can give a try with some free tools), but some softwares are able to recognize devices that usually cannot be with the OS.
I.e: a similar thing happens when you are about to mod a console or some corrupted hard drive, you can't always do it with just the normal programs.
Once again, it is just a chance you can try.
#19 Posted 11 September 2018 - 12:39 PM
Do try the contacts and the rear port.
#20 Posted 11 September 2018 - 01:02 PM
#21 Posted 30 October 2019 - 10:26 AM
Additionally the capacitors are not perfect. They can contain a charge, but not forever. I always say to people to "refresh" the charge from time to time, just by using the SD card, USB stick or SSD. And that time should be no longer than 6 months.
Another reason why I don't like flash cards is their lifespan. From my tests which I have been conducting over the years it seems that each memory cell of the flash card can survive up to 3000-5000 writes and data erases (because an erase counts as writing "zero"). The reads are theoretically infinite. Of course the real number of maximum writes is a confidential data and manufacturers hide it. All this is based on the lab experiments. SSDs on the other hand are far more durable. From the last tests which results I recall myself, I can tell you that a generic SSD with the capacity of 128GB can survive up to (more or less) 130TB in data writes and erases. 512GB can whiststand up to about 520TB of wear and tear and so on. As you can see, it is easy to remember.
After the fair amount of writes and erases, the firmware which resides inside the flash card will try to use an algorithm to spread the data on the less frequently used parts of the flash memory. It is a death row anyway, but the card prices are so low. I also laugh at the notebooks with the eMMC storage. It is just a naked USB stick inside and it is going to die sooner, than the people think. I can only imagine how fast the Windows log files will destroy the memory cells.
Please: never consider the flash memory as an archive with important stuff. I have liked the Panasonic cards in the past, then the SanDisk. But something bad is happening to SanDisk after it was aquired by the Western Digital. Besides SanDisk is currently using the Samsung chips and not the best ones, so currently out of consumer grade microSD I would go with Samsung.
Ad vocem your problem, you can visit some really good data recovery company. If only partition header is broken, then you will have a chance. But be warned: it won't be a cheap service.
This post has been edited by LAW: 30 October 2019 - 10:31 AM
#22 Posted 30 October 2019 - 08:23 PM
#23 Posted 04 November 2019 - 05:48 AM
Trooper Dan, on 30 October 2019 - 08:23 PM, said:
Yeah - he was the "real deal" and yes - it is from Dragons Forever. I hope you haven't considered my avatar to be a photo of mine
