Toshiba L75-A7285 laptop with Windows 8.1

Has been in and out of the computer repair shop about three times as it won't boot up if it's shut down completely. Tech didn't know what else to do with it.

Have tried taking the battery out, put it back in, been pressing on F2 and F8 with the power button. It just won't show anything on the screen. It's sort of blackish, no logo.

Last night it was running fine until I had to put some updates in and it shut down afterwards.

I do have recovery discs but they don't show up either when it's turned on.

Just any ideas at all? Thank you.