Can someone give me step by step instructions on how to change the CPU on a DELL Inspiron E1505?

My DELL Inspiron E1505's CPU is only 32 bit compatible and I just bought Windows 7 and a new CPU that can support 64 bit Windows 7. I have already updated my BIOS and need to know how to disassemble my lap top to change the CPU. Can anyone help me out?Can someone give me step by step instructions on how to change the CPU on a DELL Inspiron E1505?This is the page with all the manuals. http://support.dell.com/support/edocs/sy