Lenovo ThinkSystem SR850 Maintenance Manual page 75

1. Read the safety information and installation guidelines (see "Safety" on page iii and "Installation
Guidelines" on page 51).
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
"Power off the server" on page 8).
3. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top
cover, or remove the server from the rack.
4. Watch the procedure. A video of this procedure is available from the following links:
• https://www.youtube.com/playlist?list=PLYV5R7hVcs-B2y7oAb54mfyuLrIusa_qE
• http://list.youku.com/albumlist/show/id_50483449
5. Remove the top cover (see "Remove the top cover" on page 130).
To remove the front VGA assembly, complete the following steps:
Step 1. Remove the fan cage assembly (see "Remove the fan cage assembly" on page 61).
Step 2. Disconnect the VGA cable from the system board.
Figure 53. Location of the front VGA connector on the system board
Step 3. Remove the four screws that fix the front VGA assembly.
Figure 54. Front VGA assembly removal
.
Chapter 3 Hardware replacement procedures
67