I tried plugging my S8+ into a cheap Chinese projectors Usb port (where I'd normally put thumbdrives with movies). The projector froze and told me it was not supported after a min or so. Since then I cannot connect to my Pc (that I've been connected to dozens of times). Windows give me a device not recognized. Also can't connect to my Rams Android Auto anymore (it just doesn't see the phone through Usb either). I've made sure I'm set to MTP and USB debugging enabled. I even went as far as Factory Resetting the phone. To no dice.... any help would be greatly appreciated. Thanks in advance.
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Hello.
Short story: my phone was a little wet and i have some issues with it, mostly i want to get a mass storage to get working. (cant root)
Basically at first the phone didn't even want to charge, when i connected it to the PC windows was giving me an error that the device cannot be recognized, and couldn't install the drivers. (i had Kies installed)
I dried it completely, now the phone turns on without any problem, when i connect it to the pc the phone is recognizing connection (i hear sound + the button backlights are firing up for a sec)
Homever, windows is not detecting any USB device at all, and in about phone/info it says the phone is connected to the AC instead of USB.
When i connect it with USB there is no dropdown in notification to choose from charging, storage etc.
There is also manual usb storage mounting under settings/communication/usb settings , when i'm trying to mount here it just says to connect the phone with usb cable (not detecting connection, homever the backlight + sound is here after connecting, and it's charging)
I tried connecting it with usb debugging on/off even tried to fiddle with in service menu (*#7284#) but nothing.
And since i cannot get the usb storage working basically i cannot flash anything or root it.
Also the USB cable is not a Samsung but an HTC one, could this be a problem? (people in different thread said those cables are the same so it shouldnt be a problem, same amperage, same stick etc.)
Even tried to install MountUSB Widget from market, but it doesn't work when im trying to start the app it's force closing, when i make widget on desktop and press it the phone just vibrate for 1 sec and nothing happens.
When i connect phone with Kies AIR and it works, i mean it shows the storage information, also recognize the phone model correctly, how much free space i have on internal and on SD card but i cannot click "show in explorer" it's greyed out.
Any experts out there could help me? :crying:
Just a blind guess, try a USB cable which supports your device. If it doesn't help, I'm afraid it's a hardware problem and you will have to consult some hardware expert.
Hello everyone.
I am having issues with my Note being detected by my PC, I have installed Kies 3 and when the Note is connected the connection process starts but fails ( I tried using camera mode instead of MTP and Kies says It must be MTP so something is connecting), Also the device is detected in the device manager of the PC and the Note itself says its connected by USB 3.0.
I have updated, un-installed re-installed, all the drivers and Kies. I have also used a standar USB 2 cable and most of the ports on my PC.
Does anyone know what's going on? could it be a USB 3 issue with Windows?
Any help would be appreciated.
Cheers
Gav
I've been having consistent issues connecting with the tablet through adb, on both linux (2 separate installs), and windows 8.1. Sometimes it just will not detect it. It gets detected as mtp storage fine, but adb devices returns nothing. Ill triple check all the relevant settings, make sure the computer has been authorized by the tablet etc. It will literally work just fine, and then 10 minutes later without even disconnecting the cable to using the tablet, it will no longer be detectable by adb.
I'm hoping it's just bugs in the release firmware that haven't been ironed out yet, and will disappear with future upgrades or with the flashing of a custom rom.
I've also had it refuse to charge through my laptops USB ports, even the special "faster charging" port.
It turns out my issue was the unit itself I took it back to JB-HiFi and the staff checked it out and it wouldn't connect to any of their PCs, we tried the Demo unit and it worked fine, So i exchanged it and it works perfectly..
Thanks for your reply though
Cheers
Gav
I've had my OPO for a little over 7 months now. My issue began when I had my desktop at a friend's house and plugged my phone into a USB 3.0 port to grab some videos off the phone when the phone suddenly shut off and would not turn back on. I thought it was bricked somehow but after leaving it plugged into a USB 2.0 port for some time, the charging screen came on and I was able to turn the phone on, but since then both OTG and MTP/PTP transfer doesn't work. If/when the phone is plugged into a computer, it gives an error and Device Manager shows
"Port_#0001.Hub_#0004 Unknown USB Device (Port Reset Failed)" and I'm not only able to charge the phone with one out the dozens of micro usb cables I have. I've tried several cables and a handful of different computers and OSs (Windows 7,8,8.1,10, Ubuntu 15.04, Kali Linux) all to the same result.
I'm running COS 12.1-YOG4PAS3JL, rooted, and have TWRP installed. The phone doesn't show up when in Fastboot mode or the bootloader either. Nothing changes when I disable or enable USB Debugging as well. With DriveDroid if I set the USB system to "Standard Android" the phone reboots and that seems like the closest I've been able to get to any kind of progress. I've gone through unbricking threads as well as Googled until my fingers bled but I'm yet to find anyone with a similar situation where the phone isn't bricked, the micro usb port isn't broken, I can't pick between MTP or PTP mode (USB Connection just says USB is now disconnected), and I'm not running a custom ROM. I tried replacing the micro usb on the phone so I now know that it wasn't that that's been messed up but I'm not sure where to go from here. Any suggestions or help is greatly appreciated.
Hello, I just purchased an LG X Venture, model number H700. It is running android 7.0. When I first got it a few days ago, I installed the drivers for it on my windows 7 computer, and plugged it in. I got a pop up on the phone where I set the default USB mode to MTP (media transfer protocol). It worked great, and I was able to tranfer files between my PC and my phone.
Then I tried to get adb debugging to work with my phone, and screwed everything up. I enabled developer options, and then checked USB debugging. I also accidentally hit the "revoke USB debugging authorization button." I installed what I think are the correct ADB drivers on my PC. Then I plugged my phone back into my PC. This time, nothing comes up. I've checked in the device manager, etc., and I can't find a trace of the phone anywhere.
I looked back at developer options under USB configuration, and it's still set to MTP. But somehow I screwed something up, because my phone and computer no longer recognize each other (except for charging).
I even tried my phone with two other computers (one also windows 7, the other mac), and got the same behavior.
Any idea how to fix this? Ideally I'd like to get ADB to work, but I would settle for just getting MTP back haha.
Actually, solved it! Turns out the cable I was using was damaged. I used another one and MTP works fine on all computers.
Hi,
Thank you for the forum (first post).
Trying to get the S6 recognised by pc:
When the phone is connected to the laptops usb port via micro usb and cable (usb debugging on, samsung usb drivers downloaded, mtp:usb on) the computer makes the 'plugged in' audio sound but there is no 'permission to transfer files via usb' type message.
It does charge.
Does this maybe mean the charging port is broken/damaged, or the usb is broken?
Only other detail is that I once got the computer to say in a pop up that it was labelled as a 'samsung s6' rather than unknown device, which it normally does. This any symptom maybe its just a software issue?
Trying to get my computer to connect to the phone and have tried most if not all software solutions so far (including factory reset) and now looking if its hardware. Any tips to get it connected welcome.
Thank you,
David
david7632 said:
Hi,
Thank you for the forum (first post).
Trying to get the S6 recognised by pc:
When the phone is connected to the laptops usb port via micro usb and cable (usb debugging on, samsung usb drivers downloaded, mtp:usb on) the computer makes the 'plugged in' audio sound but there is no 'permission to transfer files via usb' type message.
It does charge.
Does this maybe mean the charging port is broken/damaged, or the usb is broken?
Only other detail is that I once got the computer to say in a pop up that it was labelled as a 'samsung s6' rather than unknown device, which it normally does. This any symptom maybe its just a software issue?
Trying to get my computer to connect to the phone and have tried most if not all software solutions so far (including factory reset) and now looking if its hardware. Any tips to get it connected welcome.
Thank you,
David
Click to expand...
Click to collapse
have you gone thru the usual suspects? (diff cable, usb port, diff computer altogether, blah blah blah)
Same happens here, it was fine after flashed Rom now it wont recognize it for some reason