como resolver aceso denegado Error MySQL ha dicho: #1045 - Access denied for user 'root'@'localhost' (using password: NO)

1. vamos a carpeta wamp

2. C:\wamp\apps\phpmyadmin4.1.14
3. modificamos config.inc.php
4 .
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/* Authentication type */
$cfg['Servers'][$i]['verbose'] = 'mysql wampserver';
//$cfg['Servers'][$i]['auth_type'] = 'cookie';
$cfg['Servers'][$i]['auth_type'] = 'config';
$cfg['Servers'][$i]['user'] = 'root';
$cfg['Servers'][$i]['password'] = 'AQUI-CAMBIAMOS  EL PASWORD';
/* Server parameters */
$cfg['Servers'][$i]['host'] = '127.0.0.1';
$cfg['Servers'][$i]['connect_type'] = 'tcp';
$cfg['Servers'][$i]['compress'] = false;
/* Select mysql if your server does not have mysqli */
$cfg['Servers'][$i]['extension'] = 'mysqli';
$cfg['Servers'][$i]['AllowNoPassword'] = true;