3 ms·
https://www.ifixit.com/Answers/View/379051/Computer+screen+blank+out https://www.ifixit.com/Answers/View/379051/Computer+screen+b... this link might help you.
by WheelsAtLarge 8y ago
https://www.ifixit.com/Answers/View/379051/Computer+screen+blank+out https://www.ifixit.com/Answers/View/379051/Computer+screen+b...
this link might help you. I had the same problem and it was a faulty backlight power inverter