Lenovo 3808, 3836, 3809, 3826, 3724, 3824, 3815, 3817 manual Removing the side cover

4.From inside of the top section of the bezel door, slide the blue tab up to unlock the bezel media door (slide the tab down when you want to lock it); then, grasp the pull-point area on the left side of the media door and pull the door open.

Note: To close and lock the bezel media door, rotate the door to the closed position and slide the blue tab down to lock it.

1 Bezel media door 2 Media door lock

Removing the side cover

Important: Before you install optional hardware, make sure that the server is working correctly. Start the server, and make sure that the operating system starts, if an operating system is installed. If the server is not working correctly, see the Hardware Maintenance Manual for diagnostic information.

To remove the server side cover, do the following:

Attention: Operating the server for more than 30 minutes with the side cover removed might damage server components. For proper cooling and airflow, replace the side cover before turning on the server.

1.Read the safety information (see “Safety” on page vii and “Installation guidelines” on page 37).

2.Turn off the server and all attached devices (see “Turning off the server” on page 35); then, disconnect all power cords and external cables.

3.Unlock the side cover.

4.Press the cover-release latch down (as shown in the illustration); then, remove the cover and set it aside.

Chapter 5. Installing optional devices and replacing customer replaceable units 43