SOLUTION: There are many problems which will cause issues of the screen…
1.Software:
·
Try Fn+ F5
2.Electrical:
·
Unplug the power,
·
Remove the battery
·
Hold the power button for 30 to 60 seconds
·
Then reattach the power and attempt a boot
3.Magnetic on/off.. Switch to detect of close/open lid
·
Your magnet switch is fubar some how. Open up
the speaker cover and see if your lid actuator switch that come in contact with
the magnet on your lid cover is stuck or not(find where the magnet is in the
back off the front lid cover, trace
where the magnet area actually touches the base off the computer and you will
find the switch)
·
Workaround, start windows with lid at 30 degree
angle.
4.Hardware:
·
You need to replace either inverter, backlight,
or everything
Hope this helps
