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Halp! Windows 8.1 upgrade at war with n4

Hi,
I had win 8 in which I was successfully able to do everything with my n4 (adb connections were good and so was MPT). I updated to win 8.1 and now it's derping out. ADB drivers seem fine. I tested it by simply running adb shell in cmd prompt, but even though my device is connected, it says that it's unable to find device.
Whats more important to me is that the device is not showing up in my computer. Although windows plays the usual usb connection sound. I'm also able to see it has detected my device as Nexus 4 is under the unknown device category. How can I fix this. I relly need to transfer a few things between the comp and phone, and it kinda sucks at the moment.
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blueren said:
Hi,
I had win 8 in which I was successfully able to do everything with my n4 (adb connections were good and so was MPT). I updated to win 8.1 and now it's derping out. ADB drivers seem fine. I tested it by simply running adb shell in cmd prompt, but even though my device is connected, it says that it's unable to find device.
Whats more important to me is that the device is not showing up in my computer. Although windows plays the usual usb connection sound. I'm also able to see it has detected my device as Nexus 4 is under the unknown device category. How can I fix this. I relly need to transfer a few things between the comp and phone, and it kinda sucks at the moment.
Click to expand...
Click to collapse
Just format it and install Ubuntu!!!
lol, just jocking. if adb is working you don't need it to recognize it. You can just use adb push/adb pull, but anyway.. did u try to enable debugging?

It means something has derped with the mtp driver
Open up device manager
You will see your nexus 4 with a yellow exclamation mark next to it
Right click and update driver
Manually choose
Then you will have to scroll through the list and find the mtp device (I can't remember of the top of my head exactly which headers it is under)
Sent from my Nexus 4 using xda app-developers app

Connect your Nexus 4 in USB debuggin mode and uninstall your current driver in device manager checking the 'delete the driver software' option.
Download Universal Naked Driver: http://forum.xda-developers.com/showthread.php?t=1379875
Reboot Windows 8 into advance mode and select to disable driver signature: PC Settings -> Updates and recovery -> Recovery -> Advance startup -> select F7 option at the selection menu when you see it
Reconnect Nexus 4 and install it with UND driver.

Thanks all! I just uninstalled the current drivers and reconnected the device. Windows picked up on the right drivers. All ok!

Why cant i get any USB connection to my phone?

So i recently ordered a new Usb Charging Port & Mic (Microphone) Flex Cable from china for my nexus 4 because the usb function was not working, it doesn't even get recognized on the computer, tried several computers/cables still no usb connection ( even in fastboot). i replaced it yesterday and i still get zero connection to any computer trough the usb cables, what could have gone wrong in my phone for this to happen?

developer options > usb debugging on or off?

Ümit said:
developer options > usb debugging on or off?
Click to expand...
Click to collapse
My phone is formated, no /system or /data. USB not working in fastboot or recovery (adb sideload)

In the beginning I had the same problem. I solved with samsung usb driver. I upload it if you want. But look at this tutorial first.
http://www.youtube.com/watch?v=6IEdJZGQVI4

Ümit said:
In the beginning I had the same problem. I solved with samsung usb driver. I upload it if you want. But look at this tutorial first.
http://www.youtube.com/watch?v=6IEdJZGQVI4
Click to expand...
Click to collapse
The problem is that my nexus does not get detected by any computer in the device manager, it doesnt show up so there is nothing to install the drivers to
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This does not show up when i plug it in, even in fastboot

nibla101 said:
The problem is that my nexus does not get detected by any computer in the device manager, it doesnt show up so there is nothing to install the drivers to
This does not show up when i plug it in, even in fastboot
Click to expand...
Click to collapse
Google tool adb fastboot drivers xda and see if that works
Sent from my Nexus 5

jd1639 said:
Google tool adb fastboot drivers xda and see if that works
Sent from my Nexus 5
Click to expand...
Click to collapse
Thanks for suggestion but still no connection between my nexus 4 and the computer, this is so weird

nibla101 said:
Thanks for suggestion but still no connection between my nexus 4 and the computer, this is so weird
Click to expand...
Click to collapse
Are you using the cable that came with the phone, use usb 2.0 ports, not 3.0. And try different usb ports, the ones on the back of the pc not the front. That's all I can think of
Sent from my Nexus 5

jd1639 said:
Are you using the cable that came with the phone, use usb 2.0 ports, not 3.0. And try different usb ports, the ones on the back of the pc not the front. That's all I can think of
Sent from my Nexus 5
Click to expand...
Click to collapse
What I have tried:
Using 3 different cables, all works with other phones.
Using other computers both Windows and Mac.
Tried both Fastboot mode and adb sideload in recovery
Replaced the whole usb flex cable inside the phone
Installing a bunch of drivers adb/usb
still nothing, no connection whatsoever even with the BRAND NEW usb flex cable

USB Connection Trouble: MTP and OTG is not working ADB connection is working

I have troube connecting my redmi 2 2GB HM 2LTE-CMCC to the computer. When I connect the phone to my computer it says:
Unknown USB Device (Device Descriptor Request Failed)
and the phone does not show me any popup it just start charging
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I already tryied:
developer mode usb debugging on and off
different cable
diffrent usb port
different computer Win7 x32, Win 7 x64 and Win10 x64
I also tried diffrent rom
xiaomi.eu_multi_HM2014813_5.9.18_v7-4.4
xiaomi.eu_multi_HM2014813_V6.5.2.0.KHJCNCD_v6-4.4
xiaomi.eu_multi_HM2014813_V6.6.3.0.KHJCNCF_v6-4.4
xiaomi.eu_multi_HM2014813_V7.0.9.0.KHJCNCI_v7-4.4
The strange thing is that I can comunicate with the phone, wehn it is in fastboot mode.
I was able to connect the phone to the computer and overwrite the recovery image wit cwm.
Can anyone help me to solve this problem?
EDIT//
Now I somehow managed to get acces to the phone by installing the xiami_usb_driver (http://bigota.d.miui.com/tools/xiaomi_usb_driver.rar)
but everytime I disconnect and connect the device it shows up in device manager as Unknown USB Device (Device Descriptor Request Failed), then I have to uninstall this driver and scan for HW changes
this is very inconvenient but connecting devices via OTG does not work at all
and there is still a strange USB Device showning up in the task manager
//edit
Could it be possible that the device descriptor got lost. Is there anything I can do?

You better start praying
For sure you've tried all what is possible I guess
(Try With a custom ROM) like cyanogenmod
But you can update the driver through windows itself
Errrm manage and copy files through Mi PC Suite
Errrm use adb comands in twrp (almos useless)
Wipe user data
Good luck bro tou look real in trouble
---------- Post added at 11:49 AM ---------- Previous post was at 11:34 AM ----------
Check this out bro
http://en.miui.com/forum.php?mod=viewthread&tid=171530&extra=page=1&mobile=2

thanks for the replay
I have a second device also a HM2014813 and working without a problem. I made a full backup with TWRP (http://en.miui.com/thread-120001-1-1.html) and restored it on my troublemaking device. USB connection is still only possible, whenn I first uninstall the Unknown Device from device manager:
furthermore the android is telling me that the I have an Invalid Devce ID: null

Is there anything I can do to enable this OTG and correct the usb device id?

Hi
I got the same problem on a Sony Xperia XZ3 H9436 DUAL. Tryed multiple pc/cables/drivers. I NOTHING WORKS.
Can the device be BRICKED? ? ?
---------- Post added at 10:52 PM ---------- Previous post was at 10:49 PM ----------
But how do you get twrp to work? ? I can't connect or anything, NO FILE TRANSFER or ANY communication at all...... ? ? ?

[Q]PC cannot identify Nexus 7, no driver? Charging when USB is connected

I recently bought a Nexus 7 (2012 - WiFi Version) on eB*y, the Device is Rooted, ROM is CyanogenMod-NIGHTLY-Grouper.
When i tryed to connect the Nexus 7 with my Laptop and PC it started to charge (but verry, verry slow) and i Windows says that the USB device cannot be identified (also i cannot install drivers for it becaus it cannot be identified) Fail-Code is: 43. I tryed it on Win7 Desktop PC and on a Win10 Laptop but no chance.
Also i tryed to install a Factory ROM via Recovery Mode (from SD Card) it says: Installation aborted.
I really dont know what to do now? I think it is the USB Flex Cable, what do you guys think?
Sorry for my bad English.
Hope someone can help me here.

On your Nexus 7, search for a setting called USB connections and ensure MTP is checked.
On your windows PC, Control Panel > Device Manager, go to your broken Nexus device, right click and update the driver for it... Select you want to install the driver yourself. Then it will ask you to browse to the driver, but underneath that you will have another selection along the lines, "select from common driver list". From there, look under portable devices and select either MTP Storage or MTP USB Storage. I had the same problem and only MTP USB Storage works for me.
For ADB and Fastboot stuff... Search these forums.
Hope that helps.

edoel said:
I recently bought a Nexus 7 (2012 - WiFi Version) on eB*y, the Device is Rooted, ROM is CyanogenMod-NIGHTLY-Grouper.
When i tryed to connect the Nexus 7 with my Laptop and PC it started to charge (but verry, verry slow) and i Windows says that the USB device cannot be identified (also i cannot install drivers for it becaus it cannot be identified) Fail-Code is: 43. I tryed it on Win7 Desktop PC and on a Win10 Laptop but no chance.
Also i tryed to install a Factory ROM via Recovery Mode (from SD Card) it says: Installation aborted.
I really dont know what to do now? I think it is the USB Flex Cable, what do you guys think?
Sorry for my bad English.
Hope someone can help me here.
Click to expand...
Click to collapse
Don't forget to try other USB cables.

Just use the Nexus Root Toolkit and follow the easy wizard to completely setup the N7 on your PC:
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You'll be set in no time!

USB Debugging can't be used on my Mi A1

Hello people, I've a weird problem on my device.
Yesterday everything was ok. I've enabled USB debugging and I've used "adb" from terminal without issues.
Today, I can't connect with adb anymore.
If I use adb devices I can't see my device. If I try to Enable USB Debugging on my device, for a very short moment (about 2 seconds) I can see my device connected, then it disconnects.
I noticed this:
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That icon appears for 2 seconds after I disable and re-enable USB debugging, then it disappears (of course the notification for USB connection appears for 2 seconds then disappears).
I've tried everything:
different cables
different PC and Mac
I've removed adb_keys from /data/misc/adb
I've removed adb kesy from .android folder on my PC/Mac
I've revoked USB authorisation
Nothing.
Is there a saint can help me fix this?
I don't want to hard reset device again.
Thanks,
ghale
PS: I don't know if it's important, but in Fastboot mode, I can list device with fastboot devices command.

ghale said:
Hello people, I've a weird problem on my device.
Yesterday everything was ok. I've enabled USB debugging and I've used "adb" from terminal without issues.
Today, I can't connect with adb anymore.
If I use adb devices I can't see my device. If I try to Enable USB Debugging on my device, for a very short moment (about 2 seconds) I can see my device connected, then it disconnects.
I noticed this:
That icon appears for 2 seconds after I disable and re-enable USB debugging, then it disappears (of course the notification for USB connection appears for 2 seconds then disappears).
I've tried everything:
different cables
different PC and Mac
I've removed adb_keys from /data/misc/adb
I've removed adb kesy from .android folder on my PC/Mac
I've revoked USB authorisation
Nothing.
Is there a saint can help me fix this?
I don't want to hard reset device again.
Thanks,
ghale
Click to expand...
Click to collapse
Uninstall adb driver then install latest version
Sent from my [device_name] using XDA-Developers Legacy app

Olystem said:
Uninstall adb driver then install latest version
Sent from my [device_name] using XDA-Developers Legacy app
Click to expand...
Click to collapse
I did that already, on both machines.
Nothing.

ghale said:
I did that already, on both machines.
Nothing.
Click to expand...
Click to collapse
Disbale Usb Debugging and OEM Unlocker Then disable Devolopers option Restart Device Then Check

Hello, I've tried that.
Nothing, damn.
I'm stuck.
Btw: thanks.

ghale said:
Hello, I've tried that.
Nothing, damn.
I'm stuck.
Btw: thanks.
Click to expand...
Click to collapse
How you remove or uninstall ADB Driver

Well, on Mac it's very simple, just download new adb and fastboot from Android developer portal and replace old ones.
No drivers needed. On pc is a bit different.

Same problem with Mi6. Did u fix it?

Did you install Cerberus?