ADB server didn't Acknowledge [duplicate]

Question

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• Adb won't start 21 answers

I could not run the android application never on my laptop. Eclipse gives same error constantly, that is "ADB server didn't Acknowledge"

I've tried everything, restart adb from ddms view, from command line (kill-server, start-server), from task manager and restart eclipse. When I manage to start adb server and re-open eclipse, as soon as I run the android application, same error comes to console; ADB server didn't ack.

Could you give an idea except restarting adb

Answer 1

in my case i use the command line taskkill /f /t /im bas_deamon.exe (because adb.exe was not started) and adb server is started successfully

Answer 2

In my pc, i use the command line taskkill /f /t /im wandoujia_daemon.exe (because adb.exe or bas_daemon.exe is not running in my task manager) And... the adb server is started succesfully

Answer 3

Killing the process adb.exe in the TASK MANAGER (to open task manager CTRL+Shift+Esc) solves it in my case. After killing it run adb start-server or adb devices and you should be fine.

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Incase if that doesn't work

We can solve this issue so easily.

1. Open command prompt, cd <platform-tools directory>
2. Run command adb kill-server
3. Open Windows Task manager and check whether adb is still running. If it is, just kill adb.exe
4. Run command adb start-server in command prompt

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A way bit difficult approach

Command Prompt (cmd.exe)

netstat -aon|findstr 5037

find process id of 0.0.0.0

make sure it's adb.exe

tasklist|findstr 1980

kill this process

taskkill /f /t /im adb.exe

get ADB back to normal

for more details check it from here