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[Q] USB Device Not Recognized [Unrooted]

Hello everyone,
My pc won't recognize my samsung galaxy note 10.1 GT-N8000 *4.1.2 Android version* and also on Kies
Already tried: -Reinstalling samsung device on PC
-Restarting the device (samsung galaxy note) as well as the PC
-Kies installed
PLEASE HELP!, I WOULD REALLY APPRECIATE YOUR REPLIES
BTW, here's the screenies ↓

Try a different usb cable... Sometimes it can be that...
Otherwise re-download the usb drivers and try that.. They can be found in dev section, a quick search will find them...

The problem is that u are using a hub port on your pc or a deffective one try another one and if you have another data cable to ensure that the problem from the pc and not the tablet
Sent from my GT-N8000 using xda premium

Qualcomm usb settings
koen1122 said:
Hello everyone,
My pc won't recognize my samsung galaxy note 10.1 GT-N8000 *4.1.2 Android version* and also on Kies
Already tried: -Reinstalling samsung device on PC
-Restarting the device (samsung galaxy note) as well as the PC
-Kies installed
PLEASE HELP!, I WOULD REALLY APPRECIATE YOUR REPLIES
BTW, here's the screenies ↓
Click to expand...
Click to collapse
If changing the cable/port did not work try the following:
1. Bring up dial pad
2. Dial *#7284#
3. Select Qualcomm USB settings
4. Make sure MTP is selected, if it isnt, select it and click ok button
5. Reboot Phone

I have the same problem
I rooted my tablet and installed a custom rom, but it was not working for me..so I reverted back to stock..and rooted it...then I tried connecting it to a pc..multiple pc actually, when I connect the tablet to pc..it tries to instal the driver then it would say a error occured, device not recognized or something..in the device drivers it says that..unknown..I tried all the above method still no change..please help me

[Completed] how to fix e: failed to mount in samsung note ii

friends it really ****ed my whole day
trying in different parameters to resolve it odin kies etc.
my laptop doesnot detects the phone ataall
even i installed drivers,
quick help would be appreciated..
umesh

XDA Visitor said:
friends it really ****ed my whole day
trying in different parameters to resolve it odin kies etc.
my laptop doesnot detects the phone ataall
even i installed drivers,
quick help would be appreciated..
umesh
Click to expand...
Click to collapse
Similar issue like this: i605 Note 2 to PC will not connect. ?
You first have to specify your exact device model name, as there are different available for "Note 2".
Then try to use a different USB port on PC, another USB cable, a different PC, install Kies again with phone connected to PC to get the needed drivers installed automatically.
Is something displayed on the screen of the Note 2 while connected to PC?
Maybe you have enable Mass Storage mode and have to confirm it on your device before you can access it from PC.
And for Odin to recognize it, you have to kill all Kies' processes (in Task Manager) before starting Odin. And the Note 2 has to be booted in download mode.
Here is a toolkit for the Note 2: [Galaxy Note2 TOOLKIT V6 GSM] Drivers, Backup, Root, Recovery, Flash Stock Image.
Maybe this can help.
If not, please register on xda and ask in the [NOOB FRIENDLY] Ask the question! [N7100 and other variants] thread.

Thread closed. Thank you!

Galaxy S6 not recognized on PC or ADB

Dear,
My Galaxy S6 SM-G920F with lollipop 5.1.1
AP : G920FXXU2BOG8
CSC : G920FOJV2BOG8
has stop being recongnized by pc, i almost tries anything i know and find on net.
The pc doesn't recongnise it on device manager (i have a win 7 pc), the phone however react as pluged in a charger.
their is no mtp or mass storage switch on notification.
i have reinstall the driver of samsung several times with smart switch & also made it manual by suppressing directrly the samsung usb driver from programs on control panel then reinstall it but no hope.
I can't figure out eitheir its hard or soft.
i had change my cable & also test my pc with another Galaxy s6 it works fine, but mine no.
i have made wipe cache / factory reset also made an initialisation from parameters the phone is formated but not recognised by the pc also test it on another pc but the same behaviour windows pcs doesn't recognise my phone.
However, i figure out that when its on the restore mode (volume down + lock + home) the pc recognise it by Odin and smart switch.
i install the same rom on it also made an emergency restore with S/N and model and the process completes fine with smart switch and i saw the donwload progress bar completing on my phone.
but still i m stuck its not recognised please help !!!
i tries to use *#0808# and its on AP / MTP + ADB but no hope
i plug it on ADB android studio but the device list is empty :'(

Try installing latest version of Kies to install updated Samsung drivers.

roydok said:
Try installing latest version of Kies to install updated Samsung drivers.
Click to expand...
Click to collapse
I m having both the latest SmartView & Kies 3
i have done as asked but still no usb detection even after reinstalling usb driver

Try using a different USB cable or different USB port.

roydok said:
Try using a different USB cable or different USB port.
Click to expand...
Click to collapse
i used different cables and pcs but still not recognised
yesterday i used odin with those options :
BL/AP/CP/CSC and checked
Auto-reboot
F.reset Time
phone EFS Clear
Phone bootloader update
it has taking some while to execute but after that my phone was working and detectable again by my pc the problem was resolved for a couple of hours, in the evening the problem occured again.
and i have tried the process again the same why but no connection at all.
i don't know if its a hardware problem or software related problem
because the usb work when i m in restore mode (Odin mode) otherwise no.
Its an advance problem i already check all about usb / cable and pcs related problem.

Problem resolved
I sent my S6 to Samsung SAV it take them 4 days.
they doesn't give me proper answers on what they have done but i saw that my mini-usb plug is new so i expect that they got this part changed accrodingly the samsung has no sign of damage its a clean operation.
Its now detectable. It was indeed a Hardware problem

i have the same issue but in a g928f
today i changer my lcd with the micro usb flex
so all is new except the main board and still is not recognised at any pc with any cable.
i am really starting to feel very sorry for this phone.
odin does not see it at all even at download mode.
i don't know what else to do.

Software or Hardware Issue
I have a s6 920t that I am suppose to pay for at the end of the day. I got it from a friend who bought it while overseas. The only time my computer detects it is in download mode/odin mode, I hear the sound and I see it as "Added". When I try to connect any other way I don't hear the sound my laptop makes when it has detected a new device also otg cables don't work. I just simply want to know if this a software or a hardware issue? Software I can fix but if it is hardware I don't want to waste my money. Please anyone reply as soon as you can so I can decide what to do.
Thank you

I have two S6 Edge and one of them started doing this (phone only appears on USB when in Download mode). When swapping the motherboard between the phones, it works. So the problem isn't with the motherboard, but the USB connection module attached with the ribbon cable... There must be a chip on the module which gets locked somehow and replacing the board is at least one way to fix it. Hopefully someone finds another method without replacing the charger board?

[Completed] How do you unbrick a hard bricked samsung galaxy s3 using computer and usb cord

WRecently i bought a samsuung galaxy s3 off of the internet and when it arrived i checked to see if everything was good. when i took the back off the sd card and sim card reader were broken off. so i turned the device on and it worked perfectly. started to root the device and when i tried to download supersu binary a notification popped up and said "knox is installed on this device,this can cause root access to be limited. would you like to remove knox?" when i did that the phone tried to reboot and then it was hard bricked. the only thing that works is when i plug it into a computer without the battery inserted via usb cord and the charging light appears then my computer tries to install the driver for it. after about 20 seconds the light turns off and my phone disconnects with my computer. Is there anyway to unbrick it by using a computer and usb cord? please help

Hello and thank you for using XDA Assist.
A little more information is required in order to properly guide you.
What carrier is your S3 for? Or which model S3 is it that you have?
EDIT 2DAYS NO REPLY. THREAD CLOSED.

[Completed] Save data from broken Nexus 4; no root; no USB debbuging

Hello,
my problem is that I´ve got a Nexus 4 Smartfon and the sceen is broken, so I´m not able to enter my pattern. because of this I also am not able to save my data because without entering the pattern, my computer doesn´t alowe the access to the memory.
I tried two different ways to get access to memory by using ADB:
1) I tried to delet the pattern (gesture.key) file.
I tride this first with my rooted Samsung Galaxy S3 mini and it worked perfectly. it also has USB debugging turnt on.
But my Nexus 4 hasn´t USB debugging turn on. I tried in on my S3 mini with and without and without USB debbuging it also didn´t work out.
Also my Nexus 4 isn´t even recognized as an ADB device, only in sideload mode or fastboot mode. I also think this is because of the not turnt on USB debbuging.
2)i tried to turn on the USB debbuging, so my device will be detected as an ADB device, or i can you a programm to mirror my smartphone on my computer and insert the pattern via computer.
I´ve found a pretty good tutorial on the internet but this didn´t work out. Also on my S3 mini it did´t work
So my last idea is, to us a little programm/application which i can transfer via sideload to my device and which will delete the pattern on the phone. my problem is that I´m not a programmer so I can´t do this myself.
so i would like to ask what do you think about my idea, if you could help me or do you have any other suggestions what i can do to save my data.
i´m ver thankful for any help :good:
Kaktus! :angel:

Kaktus621311 said:
Hello,
my problem is that I´ve got a Nexus 4 Smartfon and the sceen is broken, so I´m not able to enter my pattern. because of this I also am not able to save my data because without entering the pattern, my computer doesn´t alowe the access to the memory.
I tried two different ways to get access to memory by using ADB:
1) I tried to delet the pattern (gesture.key) file.
I tride this first with my rooted Samsung Galaxy S3 mini and it worked perfectly. it also has USB debugging turnt on.
But my Nexus 4 hasn´t USB debugging turn on. I tried in on my S3 mini with and without and without USB debbuging it also didn´t work out.
Also my Nexus 4 isn´t even recognized as an ADB device, only in sideload mode or fastboot mode. I also think this is because of the not turnt on USB debbuging.
2)i tried to turn on the USB debbuging, so my device will be detected as an ADB device, or i can you a programm to mirror my smartphone on my computer and insert the pattern via computer.
I´ve found a pretty good tutorial on the internet but this didn´t work out. Also on my S3 mini it did´t work
So my last idea is, to us a little programm/application which i can transfer via sideload to my device and which will delete the pattern on the phone. my problem is that I´m not a programmer so I can´t do this myself.
so i would like to ask what do you think about my idea, if you could help me or do you have any other suggestions what i can do to save my data.
i´m ver thankful for any help :good:
Kaktus! :angel:
Click to expand...
Click to collapse
Hello,
Try one of the methods stated here https://forum.xda-developers.com/showthread.php?t=2620456
Regards
Vatsal,
Forum Moderator.