Micro SD Card Reader Quit Working - Sprint HTC EVO 4G LTE

I was transferring files from a micro SD card in my laptop to the 32 GB SD card in my phone. All the files tranferred over just fine, but now the card reader in my phone doesn't work at all. I tried resetting the phone already. Does anyone know what happened and can it be fixed?

NEVERMIND... problem solved.

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How to make sure Micro SD card slot is working

Hello,
Just got myself a second hand S740. The phone works fine, but one thing doesn't seem to work, my Micro SD card slot.
I tried 2 different cards, both 2 GB. The one is a Kingston, the other is a brand I don't know from the top of my head. I formatted the cards first as FAT32, later as FAT. I also tried a hard reset, but this didn't solve the problem.
Before I'm going to contact HTC about this, I want to make sure my SD card slot is really broken. I asked the person I bought this phone from and he said he always used an Micro SD card in the phone and it worked fine.
So, if the card doesn't show up in the explorer and doesn't work using the storage USB mode when connected to PC, what can I do to verify my card slot is really broken? By the way, tested cards work fine when inserted in my cardreader at my PC using a Micro SD - SD adapter.

Damaged SD Card...not!

I got my Dell Streak second hand but the 16Gb card that came with it wasn't working. Not that the seller had mentioned it.
So, I've actually bought 2 16GB micro SD cards and both have had the same problem. The device recognises it upon first installation but when writing further data upon it, e.g. connecting it via USB or taking the micro SD card out and using an SD adapter, the files become corrupted. It doesn't matter what type of file it is, it all gets corruped and it says that the SD is damaged when the phone is trying to mount the SD card again.
This is the 3rd time it has happened so it's no coincidence.
My 4gb that I had in my previous XDA Orbit has been working fine ever since I got my Streak with no problems whatsoever.
Am I missing a driver for 16gb+ SD Cards?
EDIT- Just had a thought. I was transferring all my stuff from my previous card that was in my Streak to the new one, could this have caused any problems? I assumed you could transfer all SD data from one card to another and still have all the apps and data working?
EDIT x2- Had another thought! It seems like when things get put onto the root of the SD card, it causes corruption but when it gets put into a folder, it seems okay. Now this isn't a problem when the device writes things to the SD card- they get put into the appropriate folders, however I have never had this problem with the aforementioned 4gb card and always write pictures and movies onto the root of the SD card to view without any problems.

Transferring files from internal to external sdcard

I notice that I have been getting corrupted pictures. Has this happened to anyone else but me? Or is it the SdCard?
Is it a brand new micro sd card? what's the capacity? When I first inserted my brand new 32gb micro sd card it wasn't recognizing it. So I formatted mine via pc as fat32 and it didn't give me any issue after that. Try that and hopefully it works for you.
DEADCENTER said:
Is it a brand new micro sd card? what's the capacity? When I first inserted my brand new 32gb micro sd card it wasn't recognizing it. So I formatted mine via pc as fat32 and it didn't give me any issue after that. Try that and hopefully it works for you.
Click to expand...
Click to collapse
It was my first microsd card, 32 gb Gskill class 10. I formatted via SDformatter on PC.
Try to format the card on the phone itself. With my new 64gig card, I try to do so on my PC and gave me problems at first. After trying it on my phone it has worked flawlessly thus far.
Be sure to unmount the drive properly in Windows. SD cards can corrupt when you just unplug the phone without unmounting the drive first.
Alternately, on your phone you can switch to 'charge only', which does the same thing.

[Q] Vodafone Smart 2 micro SD card problems

My old nokia was on its last legs, so I borrowed my sister's Smart 2 to use. I inserted my SIM card, and my micro SD card (which worked fine on my Nokia and on my PC). Things were working fine until I attempted to download something from the browser, but it told me that I had to have an SD card to do so. Which I found odd, considering there WAS one in there.
Now, I've checked and made sure I'm putting it in the right way, and I've even tried changing the format via my PC from FAT(default) to FAT32 and exFAT, to no avail. The main problem is that when I go into
Settings -> SD card and phone storage
with the SD card inserted into the phone I still get "Mount SD card - Insert and SD card for mounting" which is greyed out, as well as "Erase SD card". So for some reason it's still not picking it up. If it sheds any light on the problem, it's a 1gb SD card
Dreenar said:
My old nokia was on its last legs, so I borrowed my sister's Smart 2 to use. I inserted my SIM card, and my micro SD card (which worked fine on my Nokia and on my PC). Things were working fine until I attempted to download something from the browser, but it told me that I had to have an SD card to do so. Which I found odd, considering there WAS one in there.
Now, I've checked and made sure I'm putting it in the right way, and I've even tried changing the format via my PC from FAT(default) to FAT32 and exFAT, to no avail. The main problem is that when I go into
Settings -> SD card and phone storage
with the SD card inserted into the phone I still get "Mount SD card - Insert and SD card for mounting" which is greyed out, as well as "Erase SD card". So for some reason it's still not picking it up. If it sheds any light on the problem, it's a 1gb SD card
Click to expand...
Click to collapse
Okay... I don't have much experience with the Smart 2, but most Android phones work similarly. What you can try is, back up all the data you want to keep onto your computer, insert SD card into phone, and have the phone reformat it. If the phone does not recognize card, make sure the SD card slot works. You may have to unscrew phone and make sure all wires are connected. If the SD card works on your Nokia and PC, it should be fine. Also, make sure there is no dust or dirt in SD card slot. Hope this helps

SD Card not detected

HI, I upgraded to stock rom version 11.0.9.0.QFQEUXM and now it cant find the SD card that i used in this pone before uppgrade, I have tryed to put in anoter SD card but it dont find it, I tested the SD card in my computer and it was no problem it work and all the files were ther, I formated an other card and put in phone but dont find it, If i take outthe SD card and insert a second sim card it works no problem it is just the SD card that dont work I have tried to access the card in TWRP but same there the SD card is not found.
The SD card is detected if i put it in an other phone works fine
Anybody have an idé of what is wrong? can it be the hardware that is broken?
Gratefull for any input on this

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