goclever tablet problem

i have a problem with my tablet. when i turn it on it stops with android screen. I wanted to do a hard factory reset. am i doing it right? I pressed buttons and a screnn with android appeared and hen nothing happens (http://1.bp.blogspot.com/-YYJHLWTkM...AAPvY/oyzPZeILHvk/s1600/Android+error+498.jpg). So, what to do?

Thanks for your answers ;)