Enable mod_rewrite apache

Enable the rewrite module..

sudo a2enmod rewrite

Open the config file..

sudo nano /etc/apache2/sites-available/default

Find the following lines..

Options Indexes FollowSymLinks MultiViews
AllowOverride None
Order allow,deny
allow from all

Change None to all & save + close the file.

Restart Apache..

sudo /etc/init.d/apache2 restart

It helped me :)