[Q] Computer not recognizing usb connector. - Galaxy S II Q&A, Help & Troubleshooting

Hi all,
All up until a few days ago, my computer/s cannot recognise my Samsung Galaxy S2. Whenever I connect my phone to my computer, the phone believes I am plugging in the charger.
I have attempted to turn on/off USB debugger, attempted the USB mass storage connection method and also attempted to use Winamp's automount option.
I thought it could have been my cable and I have tried different cables and phones and it seems my phone is the only problematic one.
Before this issue, usb used to connect very easily, even used for my car headunit.
Yesterday I was running the 2.3.6 firmware and recently changed to 4.0.3 and neither allow the usb to be working.
Has anyone encountered this problem and does anyone have a solution for this problem?

nounderscore said:
Hi all,
Yesterday I was running the 2.3.6 firmware and recently changed to 4.0.3 and neither allow the usb to be working.
Has anyone encountered this problem and does anyone have a solution for this problem?
Click to expand...
Click to collapse
Did the USB work on previous firmware if so you have messed up the install revert to older stock rom firmware and test .
jje

It didnt stop working due to a firmware upgrade. It randomly stopped working when I was using 2.3.6 so i thought maybe upgrading would do the trick, which it did not.

Try doing a factory reset..

Yeah, did a factory reset when I changed from 2.3.6 to 4.0.3 and just tried again. No difference.
I did notice that this error may have occurred when I may have dropped the phone. Not too sure how this would affect anything but just putting it out there.

Did you drop it with the usb connected?
Sounds like its a hardware problem, just try flashing stock again to be 100%
Sent from my GT-I9100 using XDA App

Dropped whilst drunk unconnected to anything, did have a case on it however.

nounderscore said:
It didnt stop working due to a firmware upgrade. It randomly stopped working when I was using 2.3.6 so i thought maybe upgrading would do the trick, which it did not.
Click to expand...
Click to collapse
ICS is not an upgrade its an unstable beta rom not passed by Samsung for use .
Possible dirty USB ports .
jje

How would one proceed with cleaning the usb ports?

In the past I happened to have trouble connecting with the usb port and I solved unistalling and reinstalling Kies. Have you already tried?

I believe what I'm attempting to do is to even use the phone as a mass storage device. I used to be able to do this via straight windows to any computer and even my car headunit. However at the moment a cable is only recognised as a power source and not as a data connection.

http://forum.xda-developers.com/showthread.php?t=438400
just gave this a go, going to leave it overnight to dry. wish me luck

No luck but I have concluded that the USB port possibly could be broken. I'm wondering, does rooting the phone void warranty?

Unfortunatelly it does...
Wipe everything U can, flash back original firmware and do reset with factory JIG... Than U have chance to claim warranty. But its not 100%...
There is thred about reverting somewhere...
Sent from my GT-I9100 using XDA App

Try again but after restarting ur computer !

Does the computer see any external drives (whether you can connect to them or not)?
Does the computer make a noise when you connect or disconnect the phone?

Related

[Q] USB connection problem (on 2.3.5 android version)

I flashed a custom rom a couple of months back. That rom was android version 2.3.5.
Now when I try and connect my phone to my pc using the standard usb cable, it only charges but no connection.
I did some reading before I posted and found several methods to try out
1.Use kies, download drivers
2.Enable USB Debugging mode
3.Go to settings-wireless and network-usb utilities and connect it through there.
None of the methods mentioned above worked.
So my questions to you guys are
1. Does this problem have to do with the custom rom?
2. Can I degrade to the stock rom without the use of an USB cable?
2b Can I update to another custom rom (because the phone charges when it is connected to the pc, even though I cant see it on "my computer", it should still be considered as connected?) ?
3. Which is the best custom rom out right now (Speed and performance wise)
*Side note - I know people prefer different custom roms based on their taste, but I really want to think what you guys think about which one I should upgrade to!!! I also might want to overclock to 1.6 and root the phone in the coming week if I can solve my usb problem!
Have you tried using SwiFTP app on your phone and Filezilla on your pc, then you can transfer files wirelessly
killall said:
Have you tried using SwiFTP app on your phone and Filezilla on your pc, then you can transfer files wirelessly
Click to expand...
Click to collapse
Yes I have but it wasn't what I was looking for. My phone randomly gets usb connected and starts charging without the cable being connected???
I went to the retail store I bought it from and he said you should degrade your firmware and see if the problem goes away, if it doesnt we send it in for repair.
But how can I do that if my usb only charges when I connect to the pc?
There is a Mobile Odin apk. Perhaps you could install that then flash stock firmware with it. You would have to get the .tar onto your phone though.
Unfortunately, if I´m not wrong your trobule seems to be a hardward issue.
My cell phone began a couple of weeks ago with the same problem, and it became even rather serious. Some days ago it didn´t charged if I connected the charger when it was on. I should switch it off and then connect the charger, having done this, the cell rebooted by itsefl and then began charging.
But, just seeking and testing I bought a "charger block replacement" in ebay and replaced it by myself. It is not complex to do it on your own... today I am happyy.. cause I fixed it..
If your problem continue.. I hope you will remember my words!

[Q] No computer recognizes my phone in either Download/USB Mount-mode

It's really weird.
I've tried it on three different computers (All Windows 7 though)
But it used to work on all three (except for when my desktop USB-ports ****ed themselves up)
I'm beginning to believe the outlet in which the USB cable goes into might be damaged.
I'm about to flash full Stock firmware, cause that's the last time I remember it working (like 3 months ago), and see if it works.
Any other tips?
Currently on WanamLite 11.4, and been flashing back and forward to Cyanogenmod using CWM flashables.
Clean phones USB port first
Second install USB drivers .
jje
Tried installing latest stock LPD firmware, still doesnt work.
Also tried "cleaning" the USB..
Phone must be broken..
**** I cant be bothered with this ****!
I suppose I'll have to wipe every trace of any flashing and send back to Samsung
dyallo said:
Tried installing latest stock LPD firmware, still doesnt work.
Also tried "cleaning" the USB..
Phone must be broken..
**** I cant be bothered with this ****!
Click to expand...
Click to collapse
Fifty dollars buys your phone ??
jje
Ty but no ty :]
There is a USB issue on CM9. Mine doesn't work either. Hope they fix it soon.
Sent from my Xperia Arc using XDA
Okay, won't help me any at all now though.
I flashed stock, lost root (i'm so stupid) and now since I can't connect the phone to my computer, I can't get CWM back to restore my backup.
dyallo said:
Okay, won't help me any at all now though.
I flashed stock, lost root (i'm so stupid) and now since I can't connect the phone to my computer, I can't get CWM back to restore my backup.
Click to expand...
Click to collapse
Seems a bit weird, have you tried using another cable?
I almost bricked my phone once because of a damaged cable...
Cheers,
Stefan.
Try cleaning the contacts between the battery and your phone.
Did you fix your problem?
If not, what exactly happens when you plug it in to your computer?
If "something" at all happens, then you may just need to switch the internal USB switch to use PDA and not MODEM in the PhoneUtils hidden menu. Make sure both USB and UART is set to use PDA!
Dial: *#*#7284#*#*.
did u try to erase kies and install only driver?
E:V:A said:
Did you fix your problem?
If not, what exactly happens when you plug it in to your computer?
If "something" at all happens, then you may just need to switch the internal USB switch to use PDA and not MODEM in the PhoneUtils hidden menu. Make sure both USB and UART is set to use PDA!
Dial: *#*#7284#*#*.
Click to expand...
Click to collapse
UART was set to Modem.
I'll try again after I find my god damn USB-cord

problems with jb stock rom galaxy s 2

I put a stock sammobile I9100 xwlse 4.1.2 jelly bean rom on my Galaxy s2 worked fine for 2 days now I have problems charging the phone saying after half an hour its charged when its not also windows 7 will not reconise the device anymore tried factory reset still no joy even when I unplug the charger or plug it in its go's slower to start charging or stop chargeing its annouying the hell out of me tried on windows to uninstall the drivers and reintsall to no avail any ideas
Ok first of all, punctuation - use it.
About the battery problem, it seems like it's out of "sync", you should let it from exactly 0 to exactly 100. That should fix it.
About the not recognizing, have you tried different USB port on the PC? Tried on another PC? Tried with another phone? Tried with a different USB cable?
You have many options, now go try them.
Kaldsud said:
Ok first of all, punctuation - use it.
About the battery problem, it seems like it's out of "sync", you should let it from exactly 0 to exactly 100. That should fix it.
About the not recognizing, have you tried different USB port on the PC? Tried on another PC? Tried with another phone? Tried with a different USB cable?
You have many options, now go try them.
Click to expand...
Click to collapse
I am having a similar issue, when I plug my phone into a windows PC through USB the MTP driver is buggy, have to reconnect and change to media device a few times until it installs, and then the issue afterwards will be the phone will seem as if it is being plugged and unplugged multiple times after its been disconnected (usually when I have media player running too) ... this issue was non-existant before the software update so I'm sure its gotta be an issue.
comas & latest kies.
Sent from the little guy
Tried what you said and no luck tried draining battery and recharging but still saying fully charged when its not also tried to conect to a diffrent computer still no luck there either and I did try a diffrent usb lead and still the computers say device not supported anything else to try
Genuine s2 cable?
Sent from the little guy
$2500 donlopr
yep its only started these problems since I put jell bean update on would like to go bak to ice cream sandwich but till I get my device to be reconise I am stuck
boro1876 said:
yep its only started these problems since I put jell bean update on would like to go bak to ice cream sandwich but till I get my device to be reconise I am stuck
Click to expand...
Click to collapse
The thing is that it doesn't make any sense
You are not rooted are you?
Your usb flex must be dusty/busted.
Nope not rooted tried uninstalling drivers and reinstalling even tried Keis not a thing I get error code 43 on my pc even though the drivers are there it says usb device not reconised so for some reason which is doing my head in I cannot get it to connect with my pc on windows 7 also tried it on another computer with XP on and get the same problem tried driffrent usb ports and usb leads as well
Error 43 is a start.
Disable the antivirus and don't install the drivers, install kies.
Try a laptop.
Sent from the little guy
Tried my galaxy 2 again tonight after I replaced the battery I suspected may have been faulty ie not holding its charge and low and behold it is also connecting fine to the pc now I do not know if this is related it could be but as of now for some reason I am puzzled its now working on my pc thanks for your help in trying to solve this problem will alway pop here from time to time to read about any problems I may get and for updates once again thanks for your help it great having a site like these for help:laugh::good:
batteries are evil, saw that? I put a coma there.
Glad it all worked out for you.
Sent from the little guy

[Q] i9100 detected by ODIN, but will not even charge from a USB when plugged in

Hi guys,
Its a bit confusing but I'll try to keep it as short as possible. It seems basically that I can charge fine in recovery and download but not in the ROM. Syncing doesn't work at all except download..
I have an i9100m. Ran NeatROM and RootBOX and dabbled with a few roms.
Now I'm not sure if it was the roms or wear and tear but I had ASSUMED until today that my USB port was messed. It would not even charge from a PC nevertheless mount as a mass storage on my PC. It can charge fine from an AC adapter.
Anyway, today I randomly decided to put my phone into download mode and what do you know, the phone detects, and I even see it in ODIN, so I guess my USB port is not messed afterall. Perhaps something with the ROMs and kernels that messed it up?
I think this was around the same time when my Triangle went away.... (I never removed it). In download mode now, it says:
Custom binary Download: NO
Current Binary: SAMSUNG Official
I'm rooted and not stock at all so I wonder if that's the cause?
I was thinking of downloading a stock TAR of my carrier and flashing through ODIN. Do you guys think this is sufficient to "Reset" it back to how it was all the way before? And then I'll root and go back to one of my trusted roms (and not mess around)
Thanks
Do you use the original USB cable to connect your phone? That could be an issue.
Anyways, I don't think that something is messed up software-side if you tried several ROMs.
Worst case is that the USB port of your phone is damaged =/
Gesendet von meinem GT-I9100 mit Tapatalk 4 Beta
Yes I am using the original cable. (all same result but obviously wanted to use the original just in case)
I was thinking the USB port was damaged too because after reading, I guess apparently I accidentally created a usb jig? (triangle went away + stats wiped...)
But that aside, if my USB port is damaged, how come when I'm in download mode, PC and ODIN detect a device is connected and it charges, whereas within the ROM, I get neither ???
Just an update guys,
I used ODIN to flash completely back to stock... and I still cannot charge from PC. Basically computer doesn't see the phone at all. So it has to be a damaged port.. unless theres something else other than the internal SD that I can wipe????? I wanted to wipe everything..
Still really puzzles me though... that ODIN can see it in Download Mode.
One of the mysteries I guess.
Did you try to clean your mini usb port on the mobile? It could help.
Sent from my GT-I9100 using Tapatalk 2
So....your phone only charges on DL Mode?????
Sent from the little guy
I have tried to blow some air in there.. any other suggestions?
Well, the computer only recognizes the device in download mode, Windows sees the device, otherwise it doesn't.Just strange that I was able to flash an entire stock image through ODIN but in the ROM can't even get the computer to recognize that ANYTHING is plugged in (or the phone to charge so the phone doesn't see anything either)
And again, whats even more strange is that i had that one cheap extendable USB cable that probably messed everything up (it removed my triangle..so I accidentally somehow created a jig?) is able to CHARGE the phone even in ROM but still the computer can't see it as a device. LOL
This is so messed. I guess my main thing is even if I go ahead to replace the USB port (get it repaired), do you guys still think this problem would occur... =\
stx8 said:
I have tried to blow some air in there.. any other suggestions?
Well, the computer only recognizes the device in download mode, Windows sees the device, otherwise it doesn't.. =\
Click to expand...
Click to collapse
I currently have the exact same problem, except for the flaky usb cable removing your triangle. Mine is still there.
I brought my S2 to a repair shop because i was sure it was my USB port, but the guy there told me it connected in download mode just fine so the USB port should be fine.
Here is what I tried so far
- cleaned USB port
- Used diferent cables
- Used different PC's
- Used different kernals
- Used different roms
- Re-formated/cleared/wiped everything I could find.
Did anyone find a solution? Should I still have my USB port replaced?
Wired99 said:
I currently have the exact same problem, except for the flaky usb cable removing your triangle. Mine is still there.
I brought my S2 to a repair shop because i was sure it was my USB port, but the guy there told me it connected in download mode just fine so the USB port should be fine.
Here is what I tried so far
- cleaned USB port
- Used diferent cables
- Used different PC's
- Used different kernals
- Used different roms
- Re-formated/cleared/wiped everything I could find.
Did anyone find a solution? Should I still have my USB port replaced?
Click to expand...
Click to collapse
did u tried to change the usb port ,because download mode doesn't require a battery ,u can try to go to download mode then remove the battery and u will still in it
hardware problem

[Q] Battery problem and connect to pc problem

Hello,
I have a very big problem with my Samsung Galaxy S3 I9300.
The problem started when my battery ran down very very fast. I can use my phone for no longer than maybe 6 hours, and that is in stand by. If I want to charge my phone till it's completely full it might take two days on the charger as well, even when my phone is off. I tried to reset my phone to factory defaults, but that didn't fix the problem. I even bought a new battery, hoping that would solve the problem, but even no luck with that. The phone also becomes hot in the bottom. Now I wanted to bring it back to the store for warrenty but there lies the next problem, my phone is rooted.
I know it is possible to unroot the phone, and it's nog too hard to do. But every time I connect my phone with USB to my computer, my computer doesn't recognize it. I get the next error message "USB device not recognized". I tried different cables, I tried on an other computer, but still I get the same error. I also tried the S3 of a friend on my computer and with his phone I do get a connection. So I know there is nothing wrong with the drivers on my computer or something like that. There must be something wrong with my phone.
Now the problems won't stop here because there is even a third problem. Like I said before I have rooted my phone, but I can't use SuperUser. When I start SuperUser it says "The SU Binary needs to be updated. Continue?". Then when I press continue I get the message "Installation failed !". I can't use CWM as well. I wanted to use Triangle Away before bringing it back for warrenty, but I can't use it because I can't use SuperUser.
If some one would have an idea to unroot my phone without using USB so I can bring it in for warrenty. Or find a way to get my USB port running again, I think that would fix my problems.
I spend a few hours trying to fix these problems, but now I've come to a point I don't know what to do anymore, I hope anyone of you is willing to help me. I'll be for ever gratefull.
Grtz Nathan...
Hi.
If i was you, i would try to install a official version, using Odin.
Also, my advice is not to use the original charger, Even chinese have better one´s...
Did you install Kies and drivers on your PC? Check that too.
Consider install leaked 4.2.2 version of Rom, since it uses Odin to do it.
I hope i gave at least some clues....
Mord0rr said:
Hi.
If i was you, i would try to install a official version, using Odin.
Also, my advice is not to use the original charger, Even chinese have better one´s...
Did you install Kies and drivers on your PC? Check that too.
Consider install leaked 4.2.2 version of Rom, since it uses Odin to do it.
I hope i gave at least some clues....
Click to expand...
Click to collapse
Thanks for your reply,
I forgot to mention that I have the official ROM installed, I only rooted it. But even if I would want to install a new ROM, my computer doesn't recognize my phone throug USB. So I can't install a ROM using Odin unless my USB port is running again.
I tried several chargers already, I don't think the problem lies in the charger because the battery drains very fast when it's of the charger.
I did install Kies and drivers, I even uninstalled them and reinstalled them again a couple of times. I even tried it on different computers. And the Galaxy S3 of a friend of mine does make a connection. So I don't think the problem lies there.
droogje said:
Thanks for your reply,
I forgot to mention that I have the official ROM installed, I only rooted it. But even if I would want to install a new ROM, my computer doesn't recognize my phone throug USB. So I can't install a ROM using Odin unless my USB port is running again.
I tried several chargers already, I don't think the problem lies in the charger because the battery drains very fast when it's of the charger.
I did install Kies and drivers, I even uninstalled them and reinstalled them again a couple of times. I even tried it on different computers. And the Galaxy S3 of a friend of mine does make a connection. So I don't think the problem lies there.
Click to expand...
Click to collapse
Hummm....
Did you try hard reset? Definitely without USB recognition, you can`t go to next stage....
In setup did you check optinos like USB debugging?
At this moment im out of options....maybe a poweruser can help you better:highfive:
Mord0rr said:
Hummm....
Did you try hard reset? Definitely without USB recognition, you can`t go to next stage....
In setup did you check optinos like USB debugging?
At this moment im out of options....maybe a poweruser can help you better:highfive:
Click to expand...
Click to collapse
What exactly do you mean with hard reset? If you mean powering on with home button and volume up button pushed, and then select "wipe data/factory reset". Then yes, I tried that.
In setup I did check USB debugging. The thing is, when I power on with home button and volume down button, I enter download mode. But even in download mode my computer does not recognize my phone. I'm not sure, but I think the computer should.
I'm really stuck here :crying:

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