To complete the installation, complete the following tasks.
- Reinstall the optional expansion unit, if you removed one to install other devices (see Installing an optional expansion unit for information on installing the expansion unit).
- Close the blade server cover, unless you installed an optional expansion unit that has its own cover (see Closing the blade server cover).
Statement 21
![Graphic illustrating danger and voltage warnings](d3mm9elt.jpg)
connected to the power source. Always replace the blade server cover before installing the blade server.