Dead microwave service — if no response (dark display, no sound), common cause: burnt internal fuse, bad door switches (microwave refuses to start for safety), or bad control board.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Microwave won't start — ranked from most to least common.
Burnt internal line fuse
Bad door switches
Disconnected internal power cable
Bad control board
Bad membrane switch
House fuse tripped
Bad microwave outlet
Damaged power cord
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.