Check to see if the computer is plugged in first. Next, try holding the power button down for a while. If you ware using a desktop, make sure the monitor is on also. If you built it yourself, check the power supply and check all connections on the interior. Dont mess with the insides unless you know what your doing.
Try charging or connecting to computer to back it up. If not then contact Apple
check your flasher box, you should hear it click on and off when you turn them on, if not replace it. Check the fuses and flasher relays also.
You might have problem with thermostat which you should fix, or it is a fuse. You should go to mechanic for a check.
No you wont be.
Unplug it.
Check the fuse, check the bulbs, check the flasher relay.
Disk
Check your battery
Unhook your battery, then put the key in the ignition and turn to start for 30 sec. This will restart your computer and turn the light off but it wont fix the problem.
check the fuse first!
try uninstalling and reinstalling. or turn your computer on and off
how do you know that it is charging? still wont turn on