Macbook wont turn on, burning smell

the bad smell you refer to is a smell of the electric motor burned out have the motor replaced the machine should be ok

Sounds like the motor has gone. If this is the case, its time for a new one.

The bearings have went out of your alternator, you will need to replace it.

If it smells like plastic burning. Stop using it immediately. As there could be an electrical short or overheating of the unit. If doesn't smell like plastic burning, you'll need to be more descriptive of what the odor smells like.

sounds like it faulted and burned out some wiring i wouldn't use i would get it looked at to make sure all ok as it may now be elecrically dangerous, if that burning smell, smelt like rubber i'd say definatly electrical but without seening it to hard to say

sounds like you have a faulty motor burning smell means overheating or shorting could also be faulty wiring or control you should cal an appliance serviceman good luck let me know how you went

i would change the belt and filter.( belts need to be changed on average every 6 months). now if you smell a burn like an electrical smell the motor is gone.

This may be the smell of Varnish used in motor winding. When we turn on the machine it gets heated a little bit resulting in a burning electrical smell.

The audio amplifier in the unit has failed, and that's what you smell. Turn it off and quit using it immediately - it presents a fire hazard. It might be possible to replace the bad parts. Depending on what it cost, you might want to take it somewhere for a repair estimate, but be prepared to learn it might not be fixable. Often the burned parts damage the circuit board as well.

Usually this happens in small stereo systems because of running them at high volumes for a long time. If you want to listen to loud music, you would be better off putting the money into a higher-power system.

It needs to spin over at correct speed so if it is dragging causing slow turn over then yes it can cause