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[Q] device not recognized over USB

I've been trying to connect my Trasformer to my computer over USB for a while now so that I can use Nachoroot. When I plug it in, a bubble pops up on my PC on the bottom right saying "USB device not recognized". If i go into the device manager and click update driver and have it look in the folder with the USB drivers from Asus's website, it says that i already have the most up to date drivers. I've tried uninstalling the device, installing the package with Sync and web storage, but get the same result.
I have tried using a different cable, a different computer, and a different operating system (specifically windows 7, windows 8, and ubuntu). I've also restored my Transformer using the option in Settings.
Anybody have any ideas as to what will work?

Have you install Asus PC sync?
If you haven't you should

yes, i've installed sync.

Take a look at this thread, especially the "trouble shooting" portion
http://forum.xda-developers.com/showthread.php?p=13635629

I had looked at that thread before and have tried all of those steps, and tried them again, but no luck.
One note being that with the other drivers from the hotfile download on that thread, i'm unable to install them. In the device manager on my computer, when I plug the computer in it shows up as an unrecognized device, and when I try to use those drivers it says that they don't apply.

I am having the same problem. I was rooted on the 3.2.1 system with a US version BAO transformer TF101-A1 and the computer was able to use the drivers. However, I could not upgrade and was having issues unrooting, so I did a factory reset then upgraded OTA 3 different times until I got to the ICS 4.0.3 (which runs fine, just unrooted!). Now I cannot get the transformer drivers to install! I get the "USB Device Not Recognized" error and in the device manager it shows up as an Unknown Device under Universal Serial Bus Controllers. I try to update the drivers using Asus drivers, Vipormod drivers, and the drivers I used to originally root it which was Brks_rootkit_v7, but it won't accept them. This is without Asus Sync installed and trying on four different computers using Windows 7 64 bit and two different cables. I even tried loading the Asus Sync and it will not find the device. When I try to boot into stock recovery, I just get an Android that falls over with a red exclamation point. Also to note, my wife has a transformer still on 3.2.1 and rooted and it recognizes it immediately on all four computers using either cable. I have been everywhere searching for an answer (including this site) and tried just about everything. I just submitted a service claim email to Asus telling them that after the update I am unable to use Asus Sync and the drivers aren't recognized. I am extremely frustrated! Any help will be appreciated.

http://forum.xda-developers.com/showthread.php?t=1468832
and
http://forum.xda-developers.com/showthread.php?t=1476886
These also seem to be a similiar problem and as yet a solution has not been found.

Thank you for your quick reply. I will head over there.

Just to clarify, I can download the appropriate file, flash that file (using cwm) and then it will boot up in ICS or do I need to update to ICS after that?
Thanks,

[Q] connecting phone to computer

Hello guys, i was looking for help with my razr hd, that a buddy got it for me, so i have no software for it. I went to try and root the phone but it wont even let me connect to the computer. It says usb not recognized. i have downloaded motorola software and it doesn't see the phone either. Any ideas to fix this issue so i can begin the rooting process? tried two different computers with razr hd and razr m (both had usb debugging set. thanks

mr t 95 said:
Hello guys, i was looking for help with my razr hd, that a buddy got it for me, so i have no software for it. I went to try and root the phone but it wont even let me connect to the computer. It says usb not recognized. i have downloaded motorola software and it doesn't see the phone either. Any ideas to fix this issue so i can begin the rooting process? thanka
Click to expand...
Click to collapse
Need more info, pc/mac and win7,8... If you need the drivers for windows use the ones in the first post here http://forum.xda-developers.com/showthread.php?t=1943851
Make sure to reboot after installing.
Also make sure usb debugging is turned on under developer options under settings on the phone.

Windows 7, and windows vista on our laptops, both do not work. Downloaded drivers and still no connection. Have tried uninstalling and reinstalling drivers on both systems and they failed.
Sent from my DROID RAZR HD using Tapatalk 2

USB debugging was set for both devices as well. Just odd that they won't even become recognized by the USB drivers. One drive allows it to at least charge but that's it so far.
Sent from my DROID RAZR HD using Tapatalk 2

[Q] No USB connection while booted into Android or TWRP...

Hi Guys,
I've had a few problems with my N5 recently...
If I plug my N5 into my PC via the stock USB cable and boot into the Bootloader (PWR+VOLDN) then it will allow me to flash the original N5 firmware, located here: https://developers.google.com/android/nexus/images, this would indicate to me that there is no issue with the actual devices ability to transfer files via USB connection... Right?
No!
For some strange reason my phone will allow me to push a full factory image to it and will also process any Fastboot commands that are sent to it but as soon as you boot into something like TWRP and try to control the phone's ADB functionality it will not find the device at all! The new MTP option in TWRP 2.8 will allow my computer to see my phone's MTP connection for about 1 second and then will immediately disconnect, the same happens when trying to connect to MTP from within Android too.
USB debugging doesn't show that it is connected when my phone is plugged into my PC and Windows makes the 'device connected' sound and then straight after makes the 'device disconnected' sound...
Any ideas? I am certain that this is an issue with my handset's hardware or software rather than any of the computers or cables... I have tried 3 different cables (including the stock cable) and also three different computers (Windows 8.1 @ Work, Mac OS X @ Work and my own personal PC running Windows 8.1 & Ubuntu @ Home)... All OSs and all computers run into exactly the same issue, device connects briefly and then disconnects.
I have troubleshooted issues relating to the driver. This is not the issue... Device Manager cannot even see the hardware after the disconnect.
Thanks for any help in advance,
Lewis
Also:
-Android does not detect that the USB is charging the device unless the device is booted with the cable attached (if it's not attached before the 'Google' screen then it can't see the USB input at all, within android or TWRP, of course...).

Having the exact same problem. Did you find a solution?

EvilBetty said:
Having the exact same problem. Did you find a solution?
Click to expand...
Click to collapse
It's most likely a driver issue.

Elluel said:
It's most likely a driver issue.
Click to expand...
Click to collapse
Not a driver issue.
3 different Nexus 5s, 5 different workstations. Other two Nexi are fine on all 5 PC's.
1 PC used for ADB forensics, 2 used for ADB development work, one known working for ROM'ing / rooting.
Phone has been factory reset, factory ROM'd from Fastboot. Connects fine on Fastboot. Will not connect on ADB / MTP.
On a fresh PC / phone reboot, the PC will detect the phone for just a second and then it will not reconnect until process is completed.
-EB

What's your adb version?

Went on for about 2 weeks, then suddenly went away on its own. I have no idea what the problem was or the solution. Sorry.

i have a nexus 5 which has stock ROM and blu spark kernel . i locked the bootloader while on the same kernel and again unlocked it . . the phone is bootlooping into twrp and the google logo . in twrp it says unable to mount data . i can access twrp . . i am unable to flash anything . it says unable to mount data/ . please the attachment

[Q] MTP not working.

Hi! I need help with an issue on my device, it's a Moto G XT1032 running the optimized version of Kitkat 4.4.4 provided by user lost101 and previously available here: http://forum.xda-developers.com/moto-g/development/rom-stock-motorola-lollipop-rom-t3017510 .
My laptop is running Windows 7, 64 bits.
The problem I'm having is that whenever I connect it to my laptop the device starts charging the battery (hence the cable works) but doesn't allow me to use MTP. The USB icon doesn't prompt on the status bar and on the laptop nothing pops up.
I've turned off and on again the MTP check box on setings/storage. Already uninstalled and reinstalled the Motorola Device Manager (at least three times). Also tried installing the Drivers by themselves and is still not working. Found a thread (http://forum.xda-developers.com/showthread.php?t=1115366) where multiple users claim to have find the method as a solution but doesn' work for me.
Any solution you can provide? Thanks in advance.

Device manager detects moto g as usb input device

I am on windows 7 and device manager detects moto g xt1032 as usb input device. I downloaded usbdeview and uninstalled every driver for every device ever on my laptop and plugged the moto g back in same result. Downloaded moto g usb drivers from xda and tried updating the drivers, it says windows has determined it already has the best drivers.
I couldn't find any other drivers and oddly the filename of the drivers package downloaded from xda says Moto_winxp_drivers.zip, but it seems to have a bunch of driver files.
Yesterday it was detecting the moto g as 'xt1032' in device manager and I messed around with drivers and it is now back to usb input device. I don't think there is a problem with the laptop, might be some sort of software issue, but not sure what.
I should mention that this moto g is not operable as it is stuck in a boot loop with the occassional android robot laying down and red exclamation point. So there is that but I am trying to sort this out and get it to show on adb and then install something on it.
I also installed motorola device manager, no help. Seems the problem might be usb drivers since the package I downloaded from xda is from 2013 and I couldn't find an updated package.. so if anyone knows feel free to post a link. thx

Drivers from 2013 should be fine, considering that the device is also from that year.
Can you boot into fastboot? Which bootloader is installed?
There is an unbrick post in this forum. You can try going through that, it includes installing unsigned drivers under windows.