Lenovo ThinkCentre M90 Hardware Maintenance Manual page 92

Figure 23. Installing the ac power adapter into the new bracket
7. Insert the two tabs
the chassis, and then press the new bracket downward to secure the bracket to the chassis.
Figure 24. Installing the new ac power adapter bracket
8. Connect the ac power adapter to the ac power adapter connector on the rear of your computer. See
"Locating connectors on the rear of your computer" on page 67.
9. Connect the power cord to an workable electrical outlet.
10. Go to "Completing the parts replacement" on page 89.
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ThinkCentre Hardware Maintenance Manual
1 and the tab 2 on the new power adapter bracket into the corresponding holes in