To fix WordPress visual editor not showing, follow the steps below:-
- FTP to your web server
- Download your wp-config.php and add this line of code at the bottom of the file before the “require_once” line.
define(‘CONCATENATE_SCRIPTS’, false );
(*remember to backup the original wp-config.php)
- Once done, upload the wp-config.php to your web server again. Now refresh your wordpress page and you should see the Visual Editor now.
ใครเจอปัญหาแบบนี้ลองเอาไปแก้ไขดูนะครับ ผมลองแล้วได้ผลจริงๆ
ไปเจอจากบล็อก 
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