The first step is to remove all of the screws from the bottom panel, including under the HDD and DVD drive:
You will also need to remove the bottom cover over the CPU and RAM, and there are additional screws to remove:
Next remove the heatsink and fan, then disconnect 2 cables:
Next you need to remove the keyboard, we have a separate forum post for that located here: http://bytespeed.bytespeed.org/forum/index.php?topic=108.0.
Once keyboard is removed, there are 3 screws and 2 ribbon cables to disconnect:
Now the c-panel should pop off and you will have access to the motherboard and audio daughter card. Once that panel is removed there is one screw and a ribbon cable to disconnect and you can remove the daughter card:
If you have any questions, give the Bytespeed helpdesk a call at 877-553-0777, or send us an email at helpdesk@bytespeed.com.