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USB connection problem.

first my rom and android version are not important coz i had usb connection working before with same build.here is the thing,one day i removed my external sd card from my phone and put it in my brothers k850i to listen some music on se speakers.when i finished i just removed it coz that phone doesn't have safe remove like ours does.when i placed sd card back in my phone i got error msg that i need to reformat my sd card,but i couldn't lose all my data since i was going on trip tomorrow.so i restarted the phone with sd card inside and it worked(everything no error msg).i went to trip and when i came bace i noticed the problem when i connected the phone to my pc(tryed both win 7 and win xp,i have 2 pc's) to copy some photos.i got 'USB device not recognized' error i tried doing recovery in cwm reinstalling drivers even removing sd card didn't help.sd card is working just fine in my phone and also when i place it in bro's phone and connect to pc i can copy files with no prob(tho when i reinstert it while phone is turned on i do get error for re format).only thing that is going on my mind that cable might be broken,but no1 used it while i was on trip so i dont think so.help needed urgent.

it happened with me also. Its all because of ****ing kies installatio. I dont know why it happens but it sometimes happens.
Do like this
1. uninstall kies & everything related to phone from computer.
2. backup ur external sd card data on pc with some card reader. Then format it properly. Then insert in phone. Again format from phone.
3. Restart computer. Install kies properly.
4. Connect phone in kies mode. Let computer install drivers properly.
4. If everything goes well then with card reader again fill up data in sd card. Then insert sd card in phone. Then try in mass storage mode.

vishal24387 said:
it happened with me also. Its all because of ****ing kies installatio. I dont know why it happens but it sometimes happens.
Do like this
1. uninstall kies & everything related to phone from computer.
2. backup ur external sd card data on pc with some card reader. Then format it properly. Then insert in phone. Again format from phone.
3. Restart computer. Install kies properly.
4. Connect phone in kies mode. Let computer install drivers properly.
4. If everything goes well then with card reader again fill up data in sd card. Then insert sd card in phone. Then try in mass storage mode.
Click to expand...
Click to collapse
okey thnc i dont have card reader but i will do it with my bro's phone will try it tommorow.

[Q] Phone SD not showing on PC...help

Hi all,
Have been having issues since last week with my phone connectivity to the PC. I'm able to connect it to my PC and see it in my device manager but my SD Cards don't mount. But in My Computer i do see an extra CD Drive & Removable Disk populate, though they contain nothing and when I select them they ask me to insert media. I have USB Debugging turned on and just did a fresh reinstall of the drivers.
Does anyone know what might be causing this?
Thanks,
Derek

Lastb0isct said:
Hi all,
Have been having issues since last week with my phone connectivity to the PC. I'm able to connect it to my PC and see it in my device manager but my SD Cards don't mount. But in My Computer i do see an extra CD Drive & Removable Disk populate, though they contain nothing and when I select them they ask me to insert media. I have USB Debugging turned on and just did a fresh reinstall of the drivers.
Does anyone know what might be causing this?
Thanks,
Derek
Click to expand...
Click to collapse
This should fix you up...
1) Power down phone
2) Remove card
3) Mount the card in a card reader on a Windows machine and have it do an error check (and automatically fix file system errors).
4) While Windows is scanning your card, boot your phone with an empty card slot and then shut it down again after the boot is complete.
5) When Windows has finished repairing the card, reinsert in phone and boot normally. If it was not a physical problem with the card it should work again.

badbeats said:
This should fix you up...
1) Power down phone
2) Remove card
3) Mount the card in a card reader on a Windows machine and have it do an error check (and automatically fix file system errors).
4) While Windows is scanning your card, boot your phone with an empty card slot and then shut it down again after the boot is complete.
5) When Windows has finished repairing the card, reinsert in phone and boot normally. If it was not a physical problem with the card it should work again.
Click to expand...
Click to collapse
Thanks for the suggestion! I tried it out and i'm still getting the same result. Both the internal and external sd's are getting mounted as a cd-drive and removable disk but they don't contain any information still. I tried reinstalling drivers again and it didn't help. Not sure what could be causing this issue...it's very weird.

Turn off debugging and try again. My cpu will not allow mtp mode with debugging on. Turning it off allows it to work (for me)
Sent from my SCH-I535 using xda premium

I flashed back to root w root66 and the re-flashed CMW and CM10. This fixed the issue, although now i'm getting greyed out connection bars on both wifi and 4g, though they're still connected. Any reasoning for this?

[Q] memory card issue

i have htc hd2 and i was flashing a new wp7.5 rom but my pc restarted and now my memory card doesnot work its not recognized by pc or my phone only nokia phones recgnize it but they demand a password and i dont know the password.
i tried different methods to crack the PW but nothing is working cant format my sd card as its not detected by pc via cable card reader anything.
htc hd2 connected to pc by cable also dont detect the memory card.
any solution to get my memory card working.
i have tried hard resets and different android roms too.

My best guess that it's a file system issue(ie, if the card is alive).
Try and do your best to get it working on the computer. If it doesn't work on the computer then I don't think it could work elsewhere.

broadways said:
My best guess that it's a file system issue(ie, if the card is alive).
Try and do your best to get it working on the computer. If it doesn't work on the computer then I don't think it could work elsewhere.
Click to expand...
Click to collapse
after a hard research i found out the solution put the card in any nokia E series phone and from file explorer format the card it takes 40-80 seconds and the card works again. Thanks for the suggestion

[Q] SD card won't mount through phone PLEASE HELP

i've got this weird problem after following some cache partition to use as RAM through swapper2.i enabled some of features like same mound and some others' now after sometime i am not able to MOUNT SD CARD THROUGH PHONE...
my sd card is working fine i checked it using card reader i formatted SD card and phone both flashed ROM tried all of settings as per my knowledge un-installed the app (swapper2) and also did perform factory reset.i've also tried mounting sd card from recovery though no response.
my data cable is properly working and also the USB port of my PC
though my pc isn't mounting my sd card... i am using same OS as before and didn't change anything.
PLEASE help me with this and provide solution ASAP if in your knowledge i will be help ful
NOTE: when i connect phone with PC in USB connection icon it shows (...) in connected device.
CAUTION: i've tried all simple solutions and PC troubleshooting so please don't mess thread with those solutions.

help me....

SD card Issues

Hello every one i got this phone doogee dg310 before couples of days.
Everything is fine just one a little problem. When i put my external sd card its working. Than i try to plug phone via usb and transfer file to sd card everything is good but after 3 time connecting to pc and doing file tranfer and when i disconnect from pc i got problem. I am try to open any of files explorer and its get crash. and I am trying restart phone nothing helps. And even when i try put another card is the same. But the strange thing is that when i formating my sd card with computer and put back to phone is working fine and another card working fine until iam using file tranfer with usb 3 times. Phone andorid is kitkat 4.4.2 Maybe you know how to solve it ?

You haven’t mentioned about the storage capacity of your SD card. If your phone can support 32 GB then I suggest you to use 16 GB SD card. Try to connect your SD card with another PC and try again.

My phone spports 32 gb cards and mine card is 4 gb. Maybe its kitkat fault because i read that another people have similar problems with sd card and they are using a kitkat android.

I am trying to use sd card adapter and its the same problem and when this problem apear no sd card working until format, it even show that not sd card are turned on even internal.

zezan said:
I am trying to use sd card adapter and its the same problem and when this problem apear no sd card working until format, it even show that not sd card are turned on even internal.
Click to expand...
Click to collapse
I think it's crushed. Use a windows 7 based PC and connect sd card to it . Press format on the pop up menu and also press recover bad sectors . In most cases it will fix your problem . Search on internet for any mem. card repair tool and that might be help you .
Regards,
AlfasMP

Ok thanks I will try. Maybe you can recomend good tool to repair sd ?

unfortunately but its the same bug i am connect to my laptop with windows 7 and format and also scan for bad sectors and trying this with usb and after 4 time transfaring files i got the same problem