Lenovo x3550 M4 Installation And Service Manual page 298

Figure 183. Backplate assembly removal
7. Disconnect the power and signal cables from the system board.
Results
If you are instructed to return the hard disk drive backplate assembly, follow all
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Replacing the simple-swap drive backplate assembly
Use this information to replace the simple-swap drive backplate assembly.
About this task
To install the replacement simple-swap hard disk drive backplate assembly,
complete the following steps:
Procedure
1. Read the safety information that begins on "Safety" on page vii and
2. Align the sides of the drive backplate assembly with the slots on the bracket.
3. Install the hard disk drive backplate assembly. If you would like to install the
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System x3550 M4 Type 7914: Installation and Service Guide
"Installation guidelines" on page 33.
3.5-inch drive backplate assembly.
a. Insert the hard disk drive backplate into the slots on the backplate bracket
and push the hard disk drive backplate assembly down until the backplate
is seated firmly.