Nexus 7 not visible over USB via adb devices from Windows 7 x64

Question

I have done the obvious -- the USB driver was installed from the latest Android SDK  and USB debugging was turned on in the tablet   When the Nexus nbsp 7 is connected  the device shows up in the Windows Device Manager as  Android Phone     Android Composite ADB Device   with the properties showing driver version 6 0 0 0  so the correct driver is installed and working   This also proves the device is in USB debugging mode  because if it is not it shows up in Windows under  Portable Devices     Nexus 7    The problem is that adb devices shows no devices  and Eclipse also  not surprisingly  also does not offer the Nexus 7 as a hardware device to run an app on   I have rebooted both devices without effect   The only debugging I can figure out is enable ADB TRACE all  but this tells me nothing   mkh MULE   AppData Local Android android-sdk platform-tools   export ADB TRACE all  mkh MULE   AppData Local Android android-sdk platform-tools   adb devices system core adb adb c  main   Handling commandline   system core adb adb client c  adb query   adb query  host devices system core adb adb client c   adb connect    adb connect  host version system core adb sysdeps win32 c  socket loopback client   socket loopback client  port 5037 type tcp   gt  fd 100 system core adb transport c  writex   writex  fd 100 len 4  30303063 000c system core adb transport c  writex   writex  fd 100 len 12  686f73743a76657273696f6e host version system core adb transport c  readx   readx  fd 100 wanted 4 system core adb transport c  readx   readx  fd 100 wanted 4 got 4 4f4b4159 OKAY system core adb adb client c   adb connect    adb connect  return fd 100 system core adb adb client c  adb connect   adb connect  service host devices system core adb transport c  readx   readx  fd 100 wanted 4 system core adb transport c  readx   readx  fd 100 wanted 4 got 4 30303034 0004 system core adb transport c  readx   readx  fd 100 wanted 4 system core adb transport c  readx   readx  fd 100 wanted 4 got 4 30303164 001d system core adb sysdeps win32 c  adb close   adb close  100 lo-client 5037  system core adb adb client c   adb connect    adb connect  host devices system core adb sysdeps win32 c  socket loopback client   socket loopback client  port 5037 type tcp   gt  fd 101 system core adb transport c  writex   writex  fd 101 len 4  30303063 000c system core adb transport c  writex   writex  fd 101 len 12  686f73743a64657669636573 host devices system core adb transport c  readx   readx  fd 101 wanted 4 system core adb transport c  readx   readx  fd 101 wanted 4 got 4 4f4b4159 OKAY system core adb adb client c   adb connect    adb connect  return fd 101 system core adb adb client c  adb connect   adb connect  return fd 101 system core adb transport c  readx   readx  fd 101 wanted 4 system core adb transport c  readx   readx  fd 101 wanted 4 got 4 30303030 0000 system core adb transport c  readx   readx  fd 101 wanted 0 system core adb transport c  readx   readx  fd 101 wanted 0 got 0  system core adb sysdeps win32 c  adb close   adb close  101 lo-client 5037  List of devices attached    NOTHING SHOWN        What am I doing wrong

User · Answer

Try this  If your device is not getting detected  use PdaNet  You can download it from here  Download it and install on your machine  Connect your phone  It automatically detects the driver from Internet

User · Answer

I also have a Nexus 7 and Windows 7 64-bit and got ADB working by stumbling around in this thread and others about a month ago  Then it stopped working  The only thing odd I remember happening before was Windows installing some Bluetooth drivers as I started up  I do not have Bluetooth devices    I floundered for a day this time  Now it is working again  The last thing I did was to use Device Manager to  disable  the device and reboot

User · Answer

I m on Win 7 64-bit and I see that most people with the same problem here also on 64-bit  To rule out the hardware and the OS  I used VMware to run Win 7 32-bit on the same PC  Except for having to edit the  inf file with the correct VID PID everything else went perfectly on Win 7 32-bit so that tells me the PC is fine and Win 7 32-bit is fine also   Going back to my Win 7 64-bit none of the suggestions above worked for me  However I noticed one thing though  ADB is installed under Program Files  x86  but the driver installer is installing the 64-bit  Win 7 64-bit is recognizing the Nexus 7 as Android Composite ADB Interface but ADB does not detect it   So is there an ADB 64-bit version somewhere  if my installation is under  x86  on Win 7 64-bit  does it mean I messed up with the installation somewhere   Would my problem be related to USB drivers 64-bit installed but ADB is 32-bit   Another issue I noticed when the Nexus 7 USB driver gets installed in the Properties I only see Android Composite ADB Interface for device functions  Under Win 7 32-bit Properties is showing 3 device functions      it looks like the issue is the USB driver still

User · Answer

To fix install Android USB driver on Windows 7 8 32bit 64bit    Connect your Android-powered device to your computer s USB port  Right-click on Computer from your desktop or Windows Explorer  and select Manage  Select Devices in the left pane  Locate and expand Other device in the right pane  Right-click the device name  Nexus 7   Nexus 5   Nexus 4  and select Update Driver Software  This will launch the Hardware Update Wizard  Select Browse my computer for driver software and click Next  Click Browse and locate the USB driver folder   The Google USB Driver is located in  lt sdk gt  extras google usb driver    Click Next to install the driver    If it still doesn t work try changing from MTP to PTP

User · Answer

I had a similar issue and tried the other suggestions   Utilizing the PdaNet driver in the download from http   www junefabrics com android download php is what finally did the job and allowed me to finally connect via ADB   Prior to installing the driver from here I was unable to recognize my Nexus in order to sideload the new Android 4 2 on my device   I am running Windows 7 64 bit with my Nexus 7

User · Answer

When the Nexus 7 is plugged in there is a persistent notification that indicates  CONNECT AS   Media Device  MTP    In this state adb devices will not show the Nexus  or undoubtedly any other device  Not exactly obvious  but if you select the second option  Camera  PTP   the device is available for debugging  the lesson is ignore the camera  and focus on the protocol PTP     This configuration is persistent  and I m guessing that with a brand new device it will connect as MTP until told otherwise   Thanks to  Ciaran Gallagher Settings -- gt  Storage -- gt  Top Left Option  Computer USB Connection  tap-- gt  choose MTP

User · Answer

For those of you who with Nexus 5x who only see Kedacom usb device in Device Manager and cannot get adb to see the phone   the trick is to Update driver    on the Kedacom device and change it to  Android ADB interface device

User · Answer

I discovered that you can also do Device Manager -  Update Driver Software -  Browse my computer for driver software -  Let me pick from a list of device drivers on my computer -  Android Phone -   ADB driver version 6 near top of list    sorry  I can t remember exact name   As soon as I did that  it connected  and I was able to sideload version 4 2 on Windows nbsp 7 64 bit

User · Answer

I m using Nexus 7  4 2  on Windows nbsp 7 x64  None of the other methods described here worked for me  The tab was already in PTP mode  Finally  I could get it working when I added the below line to  android winusb inf  under  lt android-sdk  extras google usb driver and did an  update driver     CompositeAdbInterface        USB Install  USB VID 18D1 amp PID 4E44 amp REV 9999 amp MI 01   To get the exact hardware ID  USB VID 18D1 amp PID 4E44 amp REV 9999 amp MI 01 in my case   you can go to Computer Management -  Device Manager -  Details tab -  select Hardware Id from the drop-down

User · Answer

In my case I had two problems    My PC got a previous  Samsung Galaxy II  driver and assigned it to my Nexus nbsp 7  I needed uninstall it many times  Finally I could bind the correct Nexus nbsp 7 driver   The need to set the PTP option

User · Answer

PDANet driver was the only solution for me to successfully connect to Google Galaxy Nexus 4 2 1 on Windows 7 x64 which was rejecting ignoring official USB drivers from the latest 4 2 ADK  revision 7  - http   junefabrics com android index php

User · Answer

Another option is if windows updates are turned totally off on your PC  In this case even if you download the USB driver  amp  try update it manually as described above it will not work  The only way in this case is enabling windows updating drivers automatically  Once you enabled this  remove the non-working driver from device manager  amp  connect you tablet to the PC via USB cable  The drivers will be automatically downloaded  amp  installed by Windows  This way worked on my Windows 7 PC

User · Answer

Complete checklist    Enable debugging onto the device Select USB Connection as PTP  camera  Install the driver from http   developer android com sdk win-usb html

User · Answer

I had similar problems and I found that unchecking all of the options  both MTP and PTP  allowed the device to get the RSA Fingerprint from my computer and after that point  adb devices  worked   Keep in mind  the RSA fingerprint is required to be accepted before an Android 4 2  device can connect via ADB  this is obviously for security reasons

User · Answer

I had an HTC One driver installed  and I thought that was the reason for not working  However  it turned out that the reason was I disabled both MTP PTP   I did not find the place for the settings  but then I found How to Configure the USB on Your Nexus 7   It s quite confusing to me  it is in the Storage tab  Either MTP or PTP works for me

User · Answer

Check out blog post Nexus 7 Android development which has the steps in detail

User · Answer

The solution that seemed to fix this for me  on top of PTP  is not selecting Always allow from this computer when allowing USB debugging  Revoking the authorisations and manually accepting each time the device is connected fixed this for me   Settings - gt  Developer options - gt  Revoke USB debugging authorisations

User · Answer

In addition to setting USB connection storage mode to  Camera  PTP    I also had to enable developer mode  which has been hidden since 4 2    Go to the Settings menu  and scroll down to  About phone tablet   Tap it  Scroll down to the bottom again  where you see  Build number   Tap it seven  7  times  After the third tap  you ll see a playful dialog that says you re four taps away from being a developer  Keep on tapping and you ve got the developer settings  Now under Settings there s  Developer options   Tap it  Tap  USB debugging  to enable it    Source  How to enable developer settings on Android 4 2

[android] Nexus 7 not visible over USB via "adb devices" from Windows 7 x64

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