Hi , My name is***** am a certified professional with over 10 years experience. I will be glad to assist you with this.
I am sorry to hear that you are having this issue.
Lets try a hard reboot first please> Sometimes this is caused by a glitch in the firmware and can be resolved by a forced reboot, other times it is due to failed hardware, if it is a glitch then your Toshiba will work normally again.
Try these steps please. Remove the battery, then disconnect the power cord and any other externally connected devices and usb cables, then Press and hold the power button down for 60 seconds. Then reinsert the battery and try powering on. Let me know if any changes occur.Let me know if this does not work and we can try another solution.Please reply and let me know if you need any other assistance or if everything is good, take a moment to rate my service by choosing one of the stars at the top, then click submit.