Replacing A Memory Module; Removing The Front Panel Connector - Lenovo ThinkStation 4157 Hardware Installation And Replacement Manual

5. Remove the screw that secures the front panel connector assembly to the chassis. Rotate the assembly
to completely release it from the chassis.
Figure 36. Removing the front panel connector assembly
6. Install the new front panel connector assembly into the chassis and secure it with the screw.
7. Reconnect all the cables to the system board. See "Identifying parts on the system board" on page 8.
8. Go to Chapter 4 "Completing the parts replacement" on page 47.

Replacing a memory module

Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety
information" in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the
ThinkStation Safety and Warranty Guide, go to:
http://support.lenovo.com
This section provides instructions on how to replace a memory module.
Note: Your computer has support for six memory modules.
1. Remove the computer cover. See "Removing the computer cover" on page 11.
2. Locate the memory module slots. See "Identifying parts on the system board" on page 8.
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ThinkStation Hardware Installation and Replacement Guide