Put the drive in an external USB drive case and plug that into a desktop or other system until you arrange repairs.
Try unplugging the AC cord and removing the battery for many minutes and give it one last shot but remember that overheating means you are burning up the life of what's overheating. Just for interest, what did you do to help with the heat issue? Clean it with compressed air? Open it up and check the heatsinks are in place? Nothing? And all that should not be done now since it's expired.
I purchased a Toshbia Satellite A 30 about 18 months ago. I was overheating and turning off intermittently. I haven't used it for a few days and when I tried to use it again, it won't even power on...
The indicator lights on the front of the machine flash and the fan seems to try to start spinning but nothing happens.