Also you need a spare PC with a serial port. IBM ThinkPad T4x Let’s say you turn the notebook on but all you get is a black screen with a «Fan error» message. Your KeyMaker has electrical contacts on both sides, you must ensure that no part of your KeyMaker USB board comes into contact with any conductive surfaces such as bare metal or bare wires. Unplug the keyboard’s ribbon cable, by lifting up the edges of the plug. Every single file linked from here has been carefully handpicked, verified, sorted and uploaded by myself to make sure this page is as complete and accurate as humanly possible. This page, and indeed my whole site, has no ads. I do not charge for downloads.
You should have six screws in total, three of one size and three of another size. Lift the entire motherboard assembly out of the case. Carefully pull the CPU out of its socket.
Do you want to repair your Lenovo (IBM) laptop or notebook? What you do with your own property is your own business, and I cannot be held responsible for anything that goes wrong in the course of using one of these service manuals. Remove all 17 screws on the bottom of the computer. Lift out the expansion slot by starting at the entrance hole and pulling upward. Update 7/8/2012: Huge thanks to everybody who’s emailed me in the last few days – you guys are the reason I run this page, and I really hate to have to take anything down. The yellow marker at the front denotes the hard disk caddy retaining screw.