How To change graphic card by youself

[Belon]

How To Change Graphic Card ?

anyone have any knowledge or video should be good..to help me customize my M18X ?? i have Dual AMD Radeon HD 6990M GPU with 2GB GDDR5 Video Memory in CrossFireX mode but i dont know how to put in..anyone can help me with this??

 

[Maelstrom]

http://www.youtube.com/watch?v=NhURMyavgks

This is a complete disassemble guide so you'll just have to watch for what you need to do.