У вашего броузера проблема в совместимости с HTML5
A quick view of how I replaced my hard drive in my 2007 iMac computer. For a more in depth view of instructions please visit the web site : I Fix it.com links.
https://www.ifixit.com/Guide/iMac+Intel+24-Inch+EMC+2134+and+2211+Hard+Drive+Replacement/8968
I posted this for a general quick view. Hope this helps in some way for you. I apologize if any step in the process was not clear. Hope this helps in some way for you.