Troubleshooting Android Studio Installation Error on Windows 7: "No JDK Found"
Users attempting to install Android Studio on Windows 7 have encountered a common issue where the installation process fails with the error message "No JDK found." This error indicates that the installer cannot locate a valid Java Development Kit (JDK) on the system.
Resolving the "No JDK Found" Error
To resolve this issue, follow these steps:
1. Ensure JDK is Installed:
Make sure that you have a JDK installed on your system. The latest JDK can be downloaded from the Java website.
2. Set System Variables:
Create a new system environment variable named JDK_HOME and set its value to the installation directory of the JDK. For example:
JDK_HOME=c:\Program Files\Java\jdk1.7.0_21\
Make sure that you also set the JAVA_HOME variable with the same path.
3. Confirm Variable Setup:
Open a command prompt and run the following commands to verify that the environment variables are set correctly:
echo %JDK_HOME% echo %JAVA_HOME%
If the commands return the correct values, the variables have been set properly.
4. Restart Android Studio:
Close and restart Android Studio. The error should now be resolved, and Android Studio should launch successfully.
Additional Tips:
- If the error persists, ensure that the JDK installation is complete and that the path to the JDK_HOME variable is correct.
- You can also check the Android Studio log files for more details about the error. The log files are typically located in the following directory: C:Users[username].AndroidStudio[version]systemlog
- If you continue to experience issues, consider uninstalling and reinstalling Android Studio after setting the system variables.
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