Back to the saw problem!
Sometimes flooding is so sever you have to remove the plug, turn the saw upside down and pull it over e few times - you will know if it is bad as the fuel will run/drip out.
If it is bad, leave the plug out overnight to let the fuel dry out.
Make sure the H & L carb adjusters are 1 turn out from fully in, make sure the gap on the plug is correct and the spark is good, check the compression with a good gauge, it is easy to think it is ok but in reality you have a tight engine that has seized but feels like reasonable compression - pull the muffler off and inspect the front flank of the piston for aluminium scoring and smearing.
Make sure the saw throttle is held slightly open when the choke is put on or if this is done with a lever/throttle assembly - make sure it works, this has stopped many saws starting when cold.
If all this checks out then make sure the filter is clean, warm the plug with a plumbers gas torch or gas cooker hob and then pull the saw over with the choke on and as soon as it fires, take the choke off making sure the throttle is still held open slightly and the saw should fire up on the next two pulls.
If you have good compression/spark and you have fuel - the saw is usually a runner of some sort - if it doesn't run then suspect the carb needs a rebuild.
Spud