Toshiba Satellite Pro L300 Notebook "items mu" Questions

mu laptop all lights come on and I can here it run but my screen is black Try holding in Fn (lower left corner) and pressing F2. That should toggle the backlight if it was accidently turned off. Press

can you teach how can i clean mu lcd laptop and what solution should i use not to damage my laptop screen,thanks You could use an LCD screen cleaner kit similar to this one: ...