Hi, i have lenovo Z580 laptop have an Issue with the Laptop While Working On The Laptop All Of the sudden the screen becomes very dark Sometimes... i have navigated to control panel and changed the brightness settings to High But there is No change...this problems comes sometimes Only...even though if i go to Bios the screen still remains Dark..Most in a day the Dark screen will Appear at least Two times..i donno when the screen will be brighter from darkness..i donno what's the problem with this laptop...
these were the troubleshooting techniques i did :-
1)re-installed graphic drivers (no change)
2)uninstalled windows updates (no change)
3)Brightness is Set to High still there is no change
However the problem arises sometimes
Please help me with this issue...plz..