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[Q] USB connection related problems

hello,i have several problems that are making me very angry.i use updated windows 7 32 bit.
1.i have samsung kies and my device was working normaly,but then today when i connected my phone to pc i got code 43 error device not recognized.i tryed reinstalling kies uninstalling drivers re installing nothing helps i cant even connect when i am in download mode same error.I NEED SOME ANSWERS ASAP COZ IT IS DRIVING ME CRAZY.
2.this one is bit smaller but also annoying,it was happening while usb connection was still working,when i connect my phone(any mode kies or mass storage),then when i copy files from pc to phone it working fine,but when i try to copy something from phone to pc i get random disconnects (connection loss) there is no logical explenation coz its totally random,lets say i copy 100 pics i get dc after 10 then i reconnect phone and click retry he copy 15 more and dc again.
Any1 will any solution plz help coz my phone is at mess atm and cant flash anything.

the source of the usb issue may be your computer.
1) did you always use the same usb port for your phone?
2) how old is your computer?
3) do you live in a humid environment?
I live on guam, and on my older laptop (only two years old!!!), running winxp, 3 of 4 usb ports are no longer usable due to corrosion. they give errors and even when working, sometimes I could lose the connection by moving the cable slightly. also, the last usb port is now getting difficult to use because it's hard to plug in anything
so, if you answered yes to #1, try another port and be prepared to install the drivers again.
if you answered yes to #3, be prepared to replace your usb if they are indeed corroded

well thnx for answer,but my pc is new like 7 months old,usb ports are working just switched mouse and phone mouse working phone not.its driver relater before i had that error and some1 from xda told me to delete everything(kies drivers) related to phone and his drivers and it worked i also see that error(code 43 is common) but fix with uninstalling driver(worked before now doesnt).thing is that something at that moment didnt work well on phone(last time it was my external sd card had to format it)and now pc keeps repeating same error.simply even tho all drivers are installed i get device not recognized,and under device manager it unknown device,also when i tick option to see hidden devices i see omap 3630 but state is unconnected.

xGiox said:
1.i have samsung kies and my device was working normaly,but then today when i conne.............
2.this one is bit smaller but also annoying,it was happening while usb connection was still working,....................
Click to expand...
Click to collapse
When transferring files to and from pc, do you use the original USB cable that came with the phone? Because when i use other cables, i have this issue, when i use the original cable, no probs at all.
if that also doesnt work, try formatting internal and external SD cards

xGiox said:
well thnx for answer,but my pc is new like 7 months old,usb ports are working just switched mouse and phone mouse working phone not.its driver relater before i had that error and some1 from xda told me to delete everything(kies drivers) related to phone and his drivers and it worked i also see that error(code 43 is common) but fix with uninstalling driver(worked before now doesnt).thing is that something at that moment didnt work well on phone(last time it was my external sd card had to format it)and now pc keeps repeating same error.simply even tho all drivers are installed i get device not recognized,and under device manager it unknown device,also when i tick option to see hidden devices i see omap 3630 but state is unconnected.
Click to expand...
Click to collapse
Jack_Random said:
When transferring files to and from pc, do you use the original USB cable that came with the phone? Because when i use other cables, i have this issue, when i use the original cable, no probs at all.
if that also doesnt work, try formatting internal and external SD cards
Click to expand...
Click to collapse
i use original cable and also i did format both external and internal cards several times my first problem is kinda more important atm.

ok i tried connecting my phone to secondary pc running xp gave me same error but simple uninstall of driver and reinstall made it work cant fix it on win 7.
Edit: damn phone wont connect when in download mode cant flash anything -.-.

Connect the phone and go to device manager
If you see the i9003 driver uninstall it then connect the phone to pc again
now windows 7 will download the driver automatically
that's how I fixed my problem

[Q] Samsung Galaxy S3 - Driver issues W7

I have a Samsung galaxy s3 which is just about 2 weeks old, stock rom and not modded in any way, i have been able to connect it to pc and it would be fine and work, the past 2 - 3 days whichever pc i plug it into mine or another pc windows will say that the usb device is not recognized and does not install the driver i also cant access it in any way (from usb).
i need help with this i have no answers on Google and i need to access my phone to get music and stuff on it but we need to figure out why mtp or camera mode or usb debugging all do not work.
Thanks.

pacificblue03 said:
I have a Samsung galaxy s3 which is just about 2 weeks old, stock rom and not modded in any way, i have been able to connect it to pc and it would be fine and work, the past 2 - 3 days whichever pc i plug it into mine or another pc windows will say that the usb device is not recognized and does not install the driver i also cant access it in any way (from usb).
i need help with this i have no answers on Google and i need to access my phone to get music and stuff on it but we need to figure out why mtp or camera mode or usb debugging all do not work.
Thanks.
Click to expand...
Click to collapse
Run the trouble shooting guide in KIES to re-install the drivers . Also, use KIES AIR, that only needs WiFi and you can access files and folders via your pc browser. Hope that helps

unistaller old driver. go to samsung website download lastest driver and install it

depzaj said:
unistaller old driver. go to samsung website download lastest driver and install it
Click to expand...
Click to collapse
Yup that to. BUT, often on the Samsmug site the software version available is one version behind behind that available via online updates Kies.

Tried that
Hi, I have already done all of the above more than 3 times ive removed the drivers, kies and re installed and my computer will always just keep saying usb device not recognized with code 42.

This is what microsoft have to say:
"Windows cannot load the device driver for this hardware because there is a duplicate device already running in the system. (Code 42)
Recommended resolution
A duplicate device was detected. This error occurs when a bus driver incorrectly creates two identically named sub-processes (known as a bus driver error), or when a device with a serial number is discovered in a new location before it is removed from the old location. You may be able to resolve this problem by restarting your computer.
Restart your computer
Click Start, click Shut Down, and then select Restart in the Shut Down Windows dialog box to restart the computer."
I have to go out just now. I'll take a looky see when I get back.

error 43
oh im sorry its not error code 42 but 43
windows detectded problems with this device....

Do you have a Linux OS under the hand? It would give you a lot more information than Windows does... If you dont have but want to try, you can download the disc image from ubuntu.com or any other distro like linux mint or fedora etc.
Just to get information on your phone you dont have to install it, just starting on the liveCD, plugin the phone in and running comands like dmesg, lsusb and maybe hwinfo would be able to tell you what is happening with your phone.
Sent from my Nexus S using XDA

error 43
i have got xubuntu but it is weird tat the phone does this on any computer not just my laptop. i was at work today and it was still an unknown device.

pacificblue03 said:
i have got xubuntu but it is weird tat the phone does this on any computer not just my laptop. i was at work today and it was still an unknown device.
Click to expand...
Click to collapse
This is why I suggest you to try to plug it in a linux machine and run those commands, there is obviously a problem with your device and Linux could help you to define what it is since it gives more information on the hardware.
If you are unfamiliar with dmesg output you can create a pastebin and link it here I will try to help with it. The output of lsusb may provide interesting info too. (as hwinfo but I don't think it is available by default in Xubuntu)
Sent from my Nexus S using XDA

error 43
well i will try if i can but it will be in a day or two as im packed to the top with assignments

Also I did not mention that but you can access your phone via the wifi network starting an ssh or ftp server on it, the one I use is connect bot from the market. This way you can manage you music and files over the network.
Sent from my Nexus S using XDA

error 43
yes i have done it using kies air that works. i will try the ubuntu method as soon as i can. thanks for all your help so far everyone.

Can you confirm that your usb ports on the PC is working with other devices. Its starting to look like a faulty phone. Have you tried a different usb cable, or can you check the current one with another device. We need to exclude all other factors before we conclude it is a faulty phone.

error 43
other devices work yes.

OK, looks like a croaked phone. Last ditch effort. If you go over to the forums at http://www.sevenforums.com/ have a good search for that error 43 code, there might be an answer that I've missed. We could also have a good look at the windows error logs, but I don't hold much hope as you have proven the PC hardware works, and you have checked and cross checked the drivers. All the error logs will show is an expanded view of the error.
I would consider returning the device with a view to a new replacement. Sorry. :-(

.
Thread moved to Q&A due to it being a question. Would advise you to read forum rules and post in correct section.
Failure to comply with forum rules will result in an infraction and/or ban depending on severity of rule break.

Got the same issue on 3 different W7 pc's. Got my sgs3 like 3 days. first day USB connection worked just fine but now there's no way of connection it to pc with USB. offcourse you can connect with WIFI but with USB link is much faster

Galaxy S3 drivers issue...resolved!
pacificblue03 said:
I have a Samsung galaxy s3 which is just about 2 weeks old, stock rom and not modded in any way, i have been able to connect it to pc and it would be fine and work, the past 2 - 3 days whichever pc i plug it into mine or another pc windows will say that the usb device is not recognized and does not install the driver i also cant access it in any way (from usb).
i need help with this i have no answers on Google and i need to access my phone to get music and stuff on it but we need to figure out why mtp or camera mode or usb debugging all do not work.
Thanks.
Click to expand...
Click to collapse
I had the same problem and could not figure out why...here is the deal:
Prior to SGS3, I had the old Samsung Galaxy S/Vibrant and was using the USB cable which came with it...then I thought; maybe the USB cable in the box of GS3 is different or superior...i tried it and VOILA! it worked...so that is all I had to do...all these reboots and re-installing drivers was just a waste of time...PS> I am running Win 7 64bit

USB ERROR
I still cant connect with 3 different cables, i am going to do a factory data reset and tell you all how i go in about 15 minutes...

A700 USB problem

Hello.
I've got A700 and I'm trying to root it but I've got a problem. I tried it with every key combination (power, volume up & down) I found on the internet but they don't work.
I also tried it when using the USB port but my PC and my laptop won't recognise the tablet. I've downloaded the drivers from Acer but when I install them my PC asks to install NET frameworks 2.0.5727. This version is no longer available but Frameworks 3 also worked according to Microsoft. After this installation the drivers from Acer still don't want to install. Then I tried it with Android USB driver but the same problem keeps coming back.
When I plug the tablet on my PC and look in the windows device manager there is a yellow triangle on the USB port with an error code 43. I've got the same problem and errors on my laptop. They both work on Windows 8.1. The tablet doesn't appear in the device list on my pc .
Could it be that the problem is on my tablet's USB? There is no problem when charging.
Does anyone have a similar problem or maybe a solution?

scan-x said:
Hello.
I've got A700 and I'm trying to root it but I've got a problem. I tried it with every key combination (power, volume up & down) I found on the internet but they don't work.
I also tried it when using the USB port but my PC and my laptop won't recognise the tablet. I've downloaded the drivers from Acer but when I install them my PC asks to install NET frameworks 2.0.5727. This version is no longer available but Frameworks 3 also worked according to Microsoft. After this installation the drivers from Acer still don't want to install. Then I tried it with Android USB driver but the same problem keeps coming back.
When I plug the tablet on my PC and look in the windows device manager there is a yellow triangle on the USB port with an error code 43. I've got the same problem and errors on my laptop. They both work on Windows 8.1. The tablet doesn't appear in the device list on my pc .
Could it be that the problem is on my tablet's USB? There is no problem when charging.
Does anyone have a similar problem or maybe a solution?
Click to expand...
Click to collapse
Well, Win8 can sometimes give issues. I might suggest 2 things,
1) Try a different USB port. Typically devices come with USB 3 and USB 2 ports. If you have a standalone PC (desktop) don't use the USB port in the front. Try it from the back port.
2) Try manually installing the drivers. In device manager, select "install from disk" and manually select the driver (even if windows won't guarantee compatibility)
As with .net, just install the newest.
If the above don't work, well, try somebody's Win7 pc.
One more thing, when you install the drivers, make sure you "right mouse click" and install as administrator.

Problem with PC

my n5 was fine before my pc was connected to internet .... but when it did, it updated th drivers and now i can't access my files in either MTP or PTP mode ....
i did uninstall n5's drivers from device manager and then it didn't even recognize the device .... (not even in add a device)
btw i'm using win 8.1
ps. i did try using another port and cable

SirMatin said:
my n5 was fine before my pc was connected to internet .... but when it did, it updated th drivers and now i can't access my files in either MTP or PTP mode ....
i did uninstall n5's drivers from device manager and then it didn't even recognize the device .... (not even in add a device)
btw i'm using win 8.1
ps. i did try using another port and cable
Click to expand...
Click to collapse
Did u reboot after removing the drivers?
Download the universal naked drivers
Read this too. It might help.

i rebooted several times ...
actually the problem is that my pc doesn't recognize N5 .... any idea how 2 fix that?

SirMatin said:
i rebooted several times ...
actually the problem is that my pc doesn't recognize N5 .... any idea how 2 fix that?
Click to expand...
Click to collapse
hi i had the same problem, goto start menu computer right click manage, goto dievces driver updates and properties and roll back driver's hope this helps,

SirMatin said:
my n5 was fine before my pc was connected to internet .... but when it did, it updated th drivers and now i can't access my files in either MTP or PTP mode ....
i did uninstall n5's drivers from device manager and then it didn't even recognize the device .... (not even in add a device)
btw i'm using win 8.1
ps. i did try using another port and cable
Click to expand...
Click to collapse
i had same problems on win 8.1
the problem is due to mtp windows drivers,
the problem is that windows will install his generic drivers and will override nexus 5 drivers installation
i solved by
1. uninstall all adb intefarces (for example, on acer, I had 2 acer adb interface and another adb bootloader interface)
2. deleting all android_winusb related folders from
C:\Windows\System32\DriverStore\FileRepository
Click to expand...
Click to collapse
or everytime Windows will install them instead of the right ones
then I installed google usb drivers and it worked. :good:

EnricoD said:
i had same problems on win 8.1
the problem is due to mtp windows drivers,
the problem is that windows will install his generic drivers and will override nexus 5 drivers installation
i solved by
1. uninstall all adb intefarces (for example, on acer, I had 2 acer adb interface and another adb bootloader interface)
2. deleting all android_winusb related folders from
or everytime Windows will install them instead of the right ones
then I installed google usb drivers and it worked. :good:
Click to expand...
Click to collapse
tnx a lot ... it worked but only when my pc was not connected to net ... when it did, it went back as it was before
btw is there any way to add msc to n5 on stock 4.4.4?

EnricoD said:
i had same problems on win 8.1
the problem is due to mtp windows drivers,
the problem is that windows will install his generic drivers and will override nexus 5 drivers installation
i solved by
1. uninstall all adb intefarces (for example, on acer, I had 2 acer adb interface and another adb bootloader interface)
2. deleting all android_winusb related folders from
or everytime Windows will install them instead of the right ones
then I installed google usb drivers and it worked. :good:
Click to expand...
Click to collapse
that's good to know thank you,

SirMatin said:
tnx a lot ... it worked but only when my pc was not connected to net ... when it did, it went back as it was before
btw is there any way to add msc to n5 on stock 4.4.4?
Click to expand...
Click to collapse
anyone know how 2 fix this?

Can't access on pc

Hi i can't access my files on my pc (it is unlocked) not even sync for music
also it appears as a audio device in devices and drives

Have you set USB settings to MTP? Otherwise this might help: http://www.howtogeek.com/195607/how...evice-to-show-up-in-file-explorer-if-it-isnt/

The correct drivers are installed? Tried with different USB cables? Tried all USB ports on the computer?

audit13 said:
The correct drivers are installed? Tried with different USB cables? Tried all USB ports on the computer?
Click to expand...
Click to collapse
yes to all :/

The phone used to work with the same computer and USB cable?

If ur rooted install multirom and install cm13 as secondary os.. then connect to ur pc while ur in cm13 it will detect the driver after that unstall cm 13 and connect as u do normally
like if worked

hey i found away around it thx though!

How did you fix the problem?

"hey i found away around it thx though!"
But why in the name of all that's holy would you ask the question and then not share the answer for others who regularly have the same problem? Keeping info to yourself is the best way of maintaining your "zero thanks" status...

oh sorry for not sharing what i did to solve the problem! here is what i did!
1. connect phone to pc
2. unlock
3. swipe down and touch the notification that says "usb for charging touch for more options"
4. select the option you want
easy