Having problem with rich text editor in WordPress dashboard? Tried reloading the files from the .zip up to your FTP site, but with no luck?.
Here is the solution, i hope it may fix your issues faced in WordPress.
Method 1:
Try adding the following to your wp-config.php
define(‘CONCATENATE_SCRIPTS’, false ); or define(‘SCRIPT_DEBUG’, true);
Method 2:
Download the fresh WordPress package from http://wordpress.org/ and replace wp-admin / wp-includes [Before replacing, take backup of the existing files for safe] directory from your FTP.
Before applying above method:
After applying above method: