MSI MS-9A45 Manual page 22

▍
System Setup
Step 8:
Assemble the system power adapter and the power cord. Connect the
power adapter to the system and then connect the power cord to the power
source.
Important
We suggest that you connect the power adapter to your system first and
then connect the power cord to the socket-outlet for safety concerns.
Step 9:
Turn on the system and enjoy it.
2-6