For those of you having a problem with Windows 7 recognizing your Vibrant ... here is how I fixed it on my system.
*Note: You do not need to load any special USB drivers for your phone to be recognized in Mass Storage mode in Windows 7.
*Warning: You follow these instructions at your own risk ... no screaming at me if you try it and something gets screwed up!
1) Navigate your way into the Device Manager / Universal Serial Bus Controller
2) Uninstall the device(s) "USB Root Hub" (My system had 2 listed)
3) You will lose mouse and keyboard control (because you just removed the USB Hubs)
4) Reset your PC and allow Windows to boot normally.
5) Go back to the device manager and wait for all of the "!" marks to go away as windows re-installs the USB Hubs and reinitializes all of your devices.
6) Make sure your Vibrant is in mass storage mode and has USB debugging OFF
7) Plug in your Vibrant via the USB cable and be amazed as windows recognizes your device and assigns the drive letters. After you select the mount option on your phone you will have normal access via windows explorer.
Hope this helps some of you out there !!!
~Stresa
Thanks. I am having this problem right now. I used to work. now all of the sudden it just stopped connecting. But i have a clarification questions. when you say remove the usb root hub, do you mean uninstall or disable?
Thanks.
I had the same problem after flashing JI6 via ODIN (after softbricking a la t-mobile ota), but I was able to fix it by enabling the prompt to ask what to do every time usb was connected, and then changing it back to treating it as mass storage. I read this suggestion in another forum (don't remember where) and it helped with mine.
I had no trouble before the update, it just started right after.
dandab said:
Thanks. I am having this problem right now. I used to work. now all of the sudden it just stopped connecting. But i have a clarification questions. when you say remove the usb root hub, do you mean uninstall or disable?
Thanks.
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Click to collapse
Sorry, I should have been more clear. It should say uninstall. You want to force windows to reinstall the devices.
I know this thread is old but if you change your view in device manager to view by connection you can find which root hub to uninstall and then re-install. This happened randomly when I was trying to update my epic and I didn't have to re-start because it was only the front ports root hub that was having the problem. Thanks for the help.
hey guys.
i've been using the xoom for about 3 weeks now. i have the latest motohelper driver. i'm using windows 7 x64. i've been able to access and transfer files before no problem. I rooted over a week ago and also have had no problems moving files around. accessing the sd card from the pc has also worked.
now yesterday I send my wife to move a file over, and she tells me it's not working. sure enough, no matter which usb port on the pc I plug it into, or how i disconnect and reconnect the cable on the xoom, windows gives me the USB device not recognized message.
I've tried rebooting both the PC and the Xoom. i've reinstalled the drivers. i've enabled and disabled usb debugging on the xoom. still get the same message. under device manager it shows as Unknown Device. if I go and manually select the Motorola MTP drivers it tells me it can't start the device.
we haven't done any recent software changes on the PC or the Xoom. specially not within the last two days for it to go from plugging in just fine to USB Device Not Recognized.
any suggestions?
thanks.
Hi,
This is my first Nexus device (N4), I know they have an emulated SD card, so I expected to connect it to my Win 7 PC via USB, and for the SD card directory to be shown as a file system / drive in Windows. This doesn't happen.
Phone is in MTP mode, screen isn't locked. Am I missing something here, a driver perhaps, or does this functionality no longer exist?
Thanks,
Des
You should get a Nexus 4 device along with your drives, you open that, then go to 'internal storage'
If you're not getting that, then it's probably driver related.
If it doesn't detect by USB at all, you may have a faulty device like me.
If you plug your phone into the wall with the AC adapter, does it constantly say " charging (USB)" in the battery settings?
This defect means I cannot root or charge the phone properly... It sucks..
Sent from my Nexus 4 using Tapatalk 2
Most likely a driver issue. When I have use the adb driver I cannot see my device as a storage device. Switching to the default driver Windows installs lets me see it but adb no longer works.
I ended up just using AirDroid to do any file transfers.
There are a few reports of the stock charger being reported as USB charging actually, so it might not be all bad.
The phone might be in MTP mode, but has it installed the MTP driver ? Check Device Manager.
On my own XP system, MTP wouldn't work for me until I turned off USB debugging.
Sent from my Nexus 4 using xda premium
steviewevie said:
The phone might be in MTP mode, but has it installed the MTP driver ? Check Device Manager.
On my own XP system, MTP wouldn't work for me until I turned off USB debugging.
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^ This.
On XP, MTP does not work if USB Debugging is turned on. It may be the same for Windows 7 as well.
Same behavior on Windows 7, just fixed my issues. Thanks!
I got similar problem with my N4, yesterday I flashed Mahdi-ROM 2.4[1/02] then my USB stopped working. I can view files through PC, but cannot upload to phone. It says device has been disconnected, but it's still connected Turning off USB debuging didn't help.
I cannot even flash kernel uploaded through Airdroid, recovery gives error - cannot open zip file.
Edit: Nevermind, its PC problem. With other PC it works normal.
use universal naked drivers.
fastboot adb and mtp and ptp working.
efrant said:
^ This.
On XP, MTP does not work if USB Debugging is turned on. It may be the same for Windows 7 as well.
Click to expand...
Click to collapse
After I rooted my N4 a few months ago same thing, cannot get MTP on WinXP
Works fine on my Win7 machines though, its pretty annoying
Tried ALL the fixes I could find, no go
Uninstal all drivers, reconnect N4 let Windows install drivers, it will probably be adb device drivers, then select in device manager adb device drivers update drivers and check install from specific location and on next screen check don't search!
Then you could be able to select mtp. All of this should be done with USB debugging turned off and USB connection as mtp!
Sent from my Nexus 4 using Tapatalk
Nexus 4
zvecka said:
Uninstal all drivers, reconnect N4 let Windows install drivers, it will probably be adb device drivers, then select in device manager adb device drivers update drivers and check install from specific location and on next screen check don't search!
Then you could be able to select mtp. All of this should be done with USB debugging turned off and USB connection as mtp!
Sent from my Nexus 4 using Tapatalk
Click to expand...
Click to collapse
Hey Buudy thanks this helps me
Nexus 4 with CM 10.2
With usb debugging turned off my nexus 4 will not show up in my computer (windows 8) at all, if I enabled USB debugging and select enumerate as camera (PTP) it will show up in my computer however I can only access the DCIM director, if I select media device (MTP) it will not show up at all, If I disable usb debugging and select either MTP or PTP I also get nothing.
I've tried reinstalling the drivers for windows but no luck, it used to work and then I installed CM and now it is broken, ideas?
desinstall and delete all adb/nexus/fastboot related drivers. then restart and reconnect nexus and wait till windows install the driver.
if u want adb and sd u need to install universal naked driver.
I cannot get ADB to recognize my Note 7. I've installed the ADB & FastBoot 15-second install from the XDA forum, but when I plug my N7 into the PC it only recognizes it as a USB drive.
Dev options enabled,
USB Debugging enabled
USB configuration (MTP mode)
The only entries under Other in Device Manager are CDC and MTP, no Android Device. The phone is also listed under Portable Devices. No USB mode brings up "Android" in the list of devices under Other.
Does anyone have any suggestions?
Do you have proper Samsung usb drivers installed? Check your device manager, just asking sometimes phones can be finicky when trying to get the PC to recognize devices.
Thanks carelockh! That did the trick. I looked in Device Manager and found that only the Windows USB device driver was installed. I downloaded and installed the Samsung driver and was able to connect over ADB.
No problem, anytime glad I could help.