How to fix Error device not found with ADB exe

Question

In cmd when I try to do the command   adb shell  it shows device not found error  Can someone help me please  It ll be appreciated

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Try any of the following solutions  I get errors with adb every now and then  And one of the following always works  Solution 1 Open command prompt as administrator and enter  adb kill-server adb start-server  Solution 2 Install drivers for your phone if you re not testing on emulator  Solution 3 Open android sdk manager and install  quot Google USB Driver quot  from extras folder   attached screenshot  Android SDK Google USB Driver missing Solution 4 Go to settings  gt  Developer Options  gt  Enable USB Debugging   If you don t see Developer Options  Go to Settings  gt  About Phone  gt  Keep tapping  quot Build number quot  until it says  quot You re a developer  quot  Enable USB Debugging

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Don t forget to go to your device and enable Settings- Developer Options- USB debugging

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I found my solution from this similar thread  by enabling USB tethering on my LG G6  requires data saver to be turned off   Go to  Settings -  Tethering  amp  networks -  switch on USB tethering

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For me  I have to Revoke USB debugging authorizations in Developer Options  Here is the steps    Turn off USB Debugging  Revoke USB debugging authorizations  Plug the cable back in  Turn on USB Debugging

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On my G2 I had to select PTP instead of MTP mode to get the connection to work

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I have a Droid 3  Verizon   I went to Motorola here and found the driver for the device  Motorola ADB Interface  which was showing in device manager  It s kind of a big download for just the driver  but during installation it found it and installed correctly

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I had this problem suddenly crop up in Windows 7 with my Nexus One - somehow the USB drivers had been uninstalled  I ran android-sdk SDK Manager exe  checked Extras Google USB Driver and installed it  Then I unplugged the phone and plugged it back in  and ran  adb devices  to confirm the phone was attached   This doesn t work for all phones  just the ones listed here  http   developer android com sdk win-usb html

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This worked for me  my AVG anti virus was deleting my adb exe file  If you have AVG try  1  opening the program 2  go to options 3  go to the virus vault and click on it 4  find your adb program  click on it  and press RESTORE at the bottom This will move the file back to its original place   However  unless you turn off the AVG it will delete the file again  After this android studio located the file  Good luck

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Try changing USB port  Try restarting adb server

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How about  Settings - gt  System - gt  Developer options - gt  Debugging - gt  turn on toggle for Wireless ADB debugging  or  Revoke USB debugging authorizations  and try from the scratch

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Just wanted to provide a simple answer here   I am just messing with an old Android device for the first time doing these root and unlock procedures   I received an error like this one when an adb push         sdcard   command failed  and the key was that my device was in the bootloader screen   Booting to recovery then allowed me copy over the file s   and I presume the normal OS would as well

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Another issue here is that you likely need to turn off  connect as media device  to be able to connect with adb

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I solved   Just turn off USB debugging and re-enable debugging it immediately

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Developer options   USB Debug   if you can not see developer option  go to about  build version and click build version until developer options in unlock

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It depends on windows system but usually    you go to system properties look at hardware devices Right click on the yellow  has to be yellow if it s driver problem  icon representing your mobile device  select property Then go on the driver tab select update driver   choose the bottom selection find on local computer  then choose manually From the windows opened look for driver disk the bottom right button   Choose the driver from the folder  lt sdk gt  extras google usb driver i386  or amd64 for and   Remember to uncheck the show only compatible hardware   Then choose the driver  When windows warn your about possible incompatibility go on      For my mobile it works  but depend on your mobile if it work or not    Hope this help  bye

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If you installed Eclipse have Android SDK  go to DDMS  If the list device display              you do adb kill-server and then adb start-server   Please make sure you install USB driver and enable debug mode

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I switched to a different USB port and it suddenly got recognized

[android] How to fix: Error device not found with ADB.exe

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