Develop Bugs

[Q] HTC Desire doesn't recognize sd card, please help.

Hi everybody,
I posted a similar post in one of the threads, but I did not get any replies. So I thought I might as well post a new thread.
I really hope that you can help me out.
My HTC Desire doesn't recognize the sd card (Samsung micro SDHC 4gb) that is in it. It also doesn't recognize another sd card (SanDisk micro SD 2gb).
I've tried to follow up the steps 'chippieuk' has listed in this thread.
Everything went fine, until I reached steps 8 and 12, because my pc doesn't recognize the sd card either. (I've tried to put it in two other computers and another phone, but it hasn't been recognized in any of them. I've also tried to use another sd card in the sd card readers and adapter, and that sd card was recognized, but it was a SanDisk micro SD 2gb.)
Here's some background information.
Something like 7 months ago I rooted my HTC Desire (in the process of rooting I partitioned the sd card) and I put custom ROM 'opendesire v1.5' on it. I was satisfied with it, so I never changed it since then. But my HTC Desire stopped working properly something like 6 weeks ago. Every time I switched it on, it went into bootloop. So two weeks ago I did a hard reset via 'hboot' and my phone seemed to work again, but then I discovered that the sd card wasn't being recognized and that has been the problem ever since.
I've, btw., (temporarily) unrooted my phone with a RUU (android 2.1). I've not yet upgraded it to android 2.2, because I want my phone to function well first and I will probably root it again soon (if I will succeed with my sd card etc.)...
So... Have any of you got an idea? Could it be something with the readers that I've used (that they can't read micro sdhc cards)? Or because I once partitioned it? I really don't know...
Once again, I would really appreciate it if you could help me.
Thanks.
Regards

If nothing is picking it up then you have no partition on the SD card, or the wrong one. Format it with Windows to FAT32. If Windows picks it up, then Android should pick it up. If it isn't picking it in Android after the format, go to Settings > Storage and see if it's mounted in there, if not, then mount it, if you can't mount it, then it's either a problem with the rom or a problem with the SD card.

Okay, thanks. I'll try that.
Is it, btw., possible to get the data that's on it back?

Not if you format it. To be honest, the only way you can get data off it anyway is by getting it to mount, which it isn't doing.

Yeah, true... I should have made a backup. ;p
Okay, I just connected my phone with its sd card to my computer.
It actually shows a 'Removable Disk' in 'Computer',
but I cannot access it when I try to format it.
So I'm going to try to format it now, using an adapter.

Let me know how it goes

Hmmm.. When I put the micro sd card in an adapter and insert that into my computer, it sort of reacts to it. The icons at the bottom right sort of move, but that's all. When I look into 'Computer', there are no removable disks. I really don't know how to access it..

Plug it into your PC. Go to start, right click on my computer and click on manage. Click on disk management on the left and see if the SD card loads up
Sent from my HTC Desire using XDA App

Okay, so I tried what you said, but the SD card doesn't load up.. I also tried it with that other SD card I talked about, just to check again if it really isn't because of the adapter, but that SD card was recognized.

Put it in your phone and loads up Android. By default, if Android detects a non compatible SD card then it will ask you to format it. If you don't get this option then I guess it's buggered and you'll need to get a new one.

It appears to be a USB brick....
See solution on this thread.
http://forum.xda-developers.com/showthread.php?t=691187
To be more precise, the fix is mentioned in the thread above, but is here
http://forum.xda-developers.com/showpost.php?p=6634033&postcount=115

Had a similar problem myself, see if my little thread is of any use to you

As soon as I'll be back home, I'll try your suggestions. Thanks a lot, all of you.

Install Windows from Phone?

I am not sure the correct section to put this into, but here goes.
I have heard ways to install Windows from a USB stick. I was wondering since I do not have a USB stick big enough and also a blank DVD on hand if I could place the image onto my Android SD card and install/reformat my computer that way.
Thanks!
PS. Please move to correct section if need be.

I don't think you could because the computer hardware doesn't recognize the sd card as a mass storage device, the software does, if you get what I mean.

I don't think it's possible to write a Windows live disk to the SD card and use it to format the Windows installation.

This in theory could be done. The one issue you might have is your computer might not recognize the SD card as a bootable option. If you can boot to USB device it might work. Also it isn't as simple as copying a windows install disk to the USB there is work that needs to be done to get it to read correctly and install. If you google linux pen drive I think it has a option to copy the windows cd to the drive boot to linux and install windows.

Yes you can do it. Sd card readers are on a usb connection to the motherboard of a pc. You have to make the sd card a bootable disk though the same way you would for a flash drive.

Never done it with the epic but I used to run puppy linux off my winmo samsung blackjack 2 on a thin client wyse computer. It had a micro sd card in it too. You would need to use a linux distro to be able to properly create a windows installation on another form of media though. Good luck
Sent from my SPH-D700 using XDA Premium App

[Q] Sd card unmounting

I have adata 16Gb class 10 card I order her trough ebay It's original for sure, and I have been using her for like half a year or so, and recently when my mobile shuts down (low battery) my mobile said blank card and and to format her. I have htc desire(amoled) I'm using Runnymede 6.1 stable ROM, and I don't think that has do to anything with my card blank, becouse it was happening on previous rom two but just so you know. Can someone please help my I tried full format ejecting card putting her back, and same thing, is my card dying ?

Did you check your card on a PC? Is it recognized and can you access it? If so, make a backup and try to check the card with on board tools (e.g. for Windows: http://www.ehow.com/how_6857598_check-sd-card-errors.html).
Alternatively, there are plenty of tools on the web, like
SDFormatter (https://www.sdcard.org/downloads/formatter_3/)
or
H2testw (http://www.heise.de/download/h2testw.html)
Good luck!
PS. A while ago, I also had some trouble with my Samsung 16GB Class 10 MicroSD. I formatted it again and had since no more issues.

When I format her (trough my phone usb becouse I don't have sd card reader) she is okay again and PC recognized her but after some time she did that again blank sd and that usually happends when my phone shuts down not by me but when battery is low even sometimes for some other reason, it's iritating becouse I have to format her and install ROM again.

Mmh, it is a little hard to tell whether the problem is solely down to your sd card or also to your phone, as long as you are not able to test the card outside the phone with a PC etc. Have you tried touse the PC tools in disk drive mode? According to this thread, H2testw works this way. You might also wanna try apps from google play/android market, e.g. 'SD Tools' or 'SD Card Tester'. I have not used any of those, so I can't tell if they are useful.
Finally, don't you have any opportunity to use a friend's PC or borrow a card reader? Nevertheless, I would strongly recommend you to buy a proper (from my experience the cheapest ones suck, e.g. are very slow, don't recognize some card formats) card reader, either a multi-format one or a microsd2usb one.
If you still have guarantee on your card, why not simply get a replacement by the reseller? I mean, if you can still access the card (at least for a while) then you should be able to create a backup and later restore it to a new card.

tablord said:
Mmh, it is a little hard to tell whether the problem is solely down to your sd card or also to your phone, as long as you are not able to test the card outside the phone with a PC etc. Have you tried touse the PC tools in disk drive mode? According to this thread, H2testw works this way. You might also wanna try apps from google play/android market, e.g. 'SD Tools' or 'SD Card Tester'. I have not used any of those, so I can't tell if they are useful.
Finally, don't you have any opportunity to use a friend's PC or borrow a card reader? Nevertheless, I would strongly recommend you to buy a proper (from my experience the cheapest ones suck, e.g. are very slow, don't recognize some card formats) card reader, either a multi-format one or a microsd2usb one.
If you still have guarantee on your card, why not simply get a replacement by the reseller? I mean, if you can still access the card (at least for a while) then you should be able to create a backup and later restore it to a new card.
Click to expand...
Click to collapse
I run H2testw and no error found. I was planing to buy microsd card reader allInOne and that kind of reader I know that cheap one sucks, but I didn't have anything to put in until now I mean I still have my phone and card in it and when I connect it to PC I can format her so I don't know should I really bought that reader...I don't know about guarantee becouse I throw away that serial number that was on the case and with that serial number you can register on adata site and see If you still have guarantee but now I can't becouse I don't have it

[Q] microSD problem

So here's what happened,
I have a Samsung 8 gb microSDHC that I used on a previous android phone.
I didnt format it for my samsung galaxy s2 t989, i just deleted my old files and put some new files in it.
The galaxy s2 read it fine and it gave my no problems for a day.
The next day I noticed that when I take it out and put the microSDHC back in again, it keeps saying me that its safe to remove, basically, its not reading the card. So i put it on an adapter and plug it into my computer. When i try to access it from my computer, it tells me it needs to be formatted. So I used the windows formatter (i did a fat32 format), but right before it finishes formatting, it gave an error saying it cant be formatted.
So here's the big problem for me, now the computer cant read my microSDHC from my adapter, and my galaxy t989 doesnt recognize the microSDHC when I insert it (when I do, nothing comes up, as opposed to before when it would just tell me that its safe to remove).
I posted it before on a different subforum but couldnt get a straight answer. I'm hoping anyone here could know whats going on, since we all are T989 users. They suggested that I use a partitioning program for it, or fix the MBR, but the thing is, I cant partition it because the program doesn't pick up my reader. Although "My Computer" can see the reader, it cant access my microSD, it just says that theres zero space in it. I tried it with ubuntu and its the same problem, although this time it doesnt see my reader, probably because it doesnt pick up the microSD
What could be the problem? Thank you for your time.

That also happened to me a couple of days ago. Nothing at all would read the card. I put my microSD into a Blackberry to see if the microSD slot was broken on my S2, or if it was the microSD itself. When I put it in the Blackberry, it asked me if I wanted to format it. I hit yes, and now my microSD is working now. If you have a Blackberry lying around, put your microSD in it and see if it asks to format it. It worked for me.

Thanks for the tip, I put it in a blackberry curve but it says it cannot access it because of a fatal error =[

Time for a new SD card. Once u get fatal error u might recover once or twice but it is unstable

HELP! My 64gb microSD card no longer works in my S3

I have a rooted AT&T S3 running JellyBam 9.2
Basically what happened is after rooting my phone, my 64gb ADATA microSD card stopped letting me copy files to it while it is plugged into my computer through my phone. It would copy over about 100 mp3 files from my computer before a window pops up and says that the device has stopped working or has been disconnected. Then, I unplug my phone from the computer and try to reboot it, but it just hangs at the "Rebooting phone..." window. This only happens after the SD card messes up, all other times the reboot is fine. After I pop the battery and resume copying files, it starts to work again, but then stops after another few mp3's. The files that did manage to get copied over, however, are able to be seen and scanned by my file manager and my music app. The SD card, when plugged into my laptop through an adapter, is able to copy and read files perfectly fine. Can anybody shine some light on what is wrong and possibly how to fix it? Thanks

First you need to format the card to fat32 and then copy your files from the computer directly onto the card through a card reader not the phone Samsung has some issues with exfat which is the way the card are originally formatted. There are a number of free programs out there to format your card, hope this helps
Sent from my SGH-I747M using Tapatalk 4

+1
The exFAT filesystem is proprietary. Samsung developed their own version, rather than license it from Microsoft.. and the Samsung version is known to be buggy. As jimchee explained, what you need to do is reformat your memory card to a FAT32 filesystem to ensure that it is stable.

PLEASE HELP with 64gb sd in GS3!
fffft said:
+1
The exFAT filesystem is proprietary. Samsung developed their own version, rather than license it from Microsoft.. and the Samsung version is known to be buggy. As jimchee explained, what you need to do is reformat your memory card to a FAT32 filesystem to ensure that it is stable.
Click to expand...
Click to collapse
I rooted my sprint gs3...now it won't read my card! all data is still there as I checked it on my laptop!
it recognizes the 16gb card i put in to test!
What can I do? do i need to totally reformat? UGH!
Total newbie to this stuff and need this working!
Also...if anyone knows...can't use wireless tether as it says "phone is in an unknown state"!
HELP would be MUCH appreciated! THANKS!