Lenovo ThinkStation D20 Hardware Maintenance Manual

Also see for 4157 - ThinkStation S20 - 2 GB RAM: Hardware Maintenance Manual User guide User guide User guide Safety and Warranty Guide

Contents

3. Disconnect the cables attached to the computer. This includes power cords, input/output (I/O) cables,and any other cables that are connected to the computer. See “Locating controls and connectors on thefront of your computer” on page 77 and “Rear connectors” on page 109.4. Remove any locking devices, such as a cable lock or padlock that secures the computer cover. Openthe keylock if it is in the locked position.5. Disengage the cover latch 1 and remove the cover. Place the cover on a flat surface.LocationsThe following illustration will help you locate the major FRUs in the computer.Chapter 11. Replacing FRUs (Type 4155, 4158, 4218) 111