Replacing The Fan Assembly; Removing A Memory Module; Installing A Memory Module - Lenovo 6423 Installation Manual

3. Remove the memory module being replaced by opening the retaining clips.
Figure 25. Removing a memory module
4. Position the replacement memory module over the memory connector. Make
Figure 26. Installing a memory module
5. Go to Chapter 4, "Completing the parts replacement," on page 43.

Replacing the fan assembly

This section provides instructions on how to replace the fan assembly.
1. Open the computer cover. See "Opening the cover" on page 12.
2. Skip to step 4 on page 38 if you are not replacing the front fan. If you are
3. Remove the front bezel. See "Removing the front bezel" on page 14.
sure the notch 1 on the memory module aligns correctly with the connector
key 2 on the system board. Push the memory module straight down into the
connector until the retaining clips close.
Attention
Do not open your computer or attempt any repair before reading the "Important safety
information" in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at:
http://www.lenovo.com/support/
replacing the front fan (some models) go to step 3.
Chapter 3. Installing options and replacing hardware
37