Other than unplugging it and letting it rest for a few minutes… 15 or so…
This is sometimes called the chicken dance or guiness procedure. Leave it unplugged just long enough to enjoy a frosty bev or do the chicken dance.
CaptM
Oh– you have anything in the CD drive? Hold the mouse button down to open the drawer… maybe while you’re at it, put the system drive in there and hold down the C key on startup.