Hello everyone, This is my first post and I really on logged on for help for this one problem but have found some real great information from everyone, so thanks in advance. My question might be kinda of stupid but I need help. I have a Dimension 2400 and my motherboard needs to be replaced. I have removed all the parts but for some reason I cannot remove the heatsink (alumminum piece under the grean plastic windtunnel) to get to my processer. The guy from dell said there is some little lever but I can't find it. It seems to be apart of the motherboard and I cannot detach it from the processor. If anyone could help me that would be great.