5. Install the DIN rail bracket.
6. Turn over the computer so that the bottom cover is facing down.
7. Reconnect the external cables to the corresponding connectors on the computer, and then reconnect
the power cord to the electrical outlet.
Power adapter bracket
Note: The power adapter bracket is available only on some models.
Prerequisite
Before you start, read Appendix A “Important safety information” on page 51 and print the following
instructions.
Replacement procedure
1. Remove any media from the drives and turn off all connected devices and the computer.
2. Disconnect the power cord from the electrical outlet and disconnect all cables from the computer.
3. Remove the power cord from the power adapter. See “Power adapter and power cord” on page 34.
4. Remove the screw that secures the power adapter bracket to the wall mount bracket.
36
M90n-1 User Guide
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