Turn off power to the microwave at the circuit breaker
Unplug the microwave if the outlet is accessible
Remove the screws securing the microwave to the upper cabinet
Support the microwave from below with a helper
Lift the microwave slightly to disengage it from the wall bracket
Remove the microwave from the mounting bracket
Disconnect the power cord if needed
Remove the old wall bracket if you are replacing it
Check the cabinet and wall for damage
Install the new wall bracket at the correct height and level
Mark and drill any required mounting holes
Secure the new bracket to the wall
Lift the new microwave into position
Hook the back of the microwave onto the wall bracket
Rotate the microwave upward toward the cabinet
Align the top mounting holes with the cabinet
Insert and tighten the mounting bolts or screws
Reconnect the power cord
Restore power at the circuit breaker
Test the microwave for proper operation
Verify the vent fan, light, and turntable work correctly