Lenovo 5457 Installation And Service Manual page 236

8. Reconnect the external cables and power cords; then, turn on the attached devices and turn on the
server.
Removing the simple-swap backplate
This procedure applies only to 4U server models with non-hot-swap power supplies.
To remove the simple-swap backplate on 4U server models with non-hot-swap power supplies, complete
the following steps.
Note: You need a screwdriver in order to complete the steps.
1. Read the safety information in
2. Turn off the server and all attached devices; then, disconnect all power cords and external cables.
3. Remove the bezel (see
4. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
5. Remove the side cover (see
6. Remove the air baffle (see
7. Remove the simple-swap hard disk drives that are installed in the hard disk drive cage (see
simple-swap hard disk drive" on page
8. To remove the simple-swap backplate, slide it outwards and then rotate it out of the hard disk drive
cage.
Figure 140. Simple-swap backplate removal for 4U server model with non-hot-swap power supplies
9. Disconnect the power cable from the simple-swap backplate and then the signal cable from the system
board.
Lenovo System x3100 M5 Installation and Service Guide
224
"Safety" on page v
"Removing the bezel" on page
"Removing the side cover" on page
"Removing the air baffle" on page
208).
and "Installation guidelines" on page
180).
173).
177).
31.
"Removing a