Open the phpMyAdmin folder.
Open the config.inc.php file with any text editor.
Under “Authentication type and info,” and update the following lines:
On $cfg['Servers'][$i]['auth_type'] = 'config'; replace config for cookie.
On $cfg['Servers'][$i]['AllowNoPassword'] = true; replace true for false.
//Find config.inc file under C:wampappsphpmyadmin3.5.1 Inside this file find this one line
$cfg['Servers'][$i]['password'] =";
//and replace it with
$cfg['Servers'][$i]['password'] = 'Type your root password here';
mysqladmin.exe -u root password WhateverPassword