suddenly my laptop was getting blank screen ,so i restarted the system by pressing the power button.
but there is no boot up.
i am working in zimbabwe i showen to some computer engineers but they failed.
after 2 months the laptop was unexpectedly started by pressing the power button.
then it displayed that system bios shadowed and videos shadowed.
what does it means please give me the solution
my email.address is firstname.lastname@example.org