There is a small microswitch on most laptops that when the lid is closed turns the backlight off to save power, check to see it's not obstructed. It could also be a faulty inverter which powers the backlight, this will need replacing if this is the case
You could always try connecting an external monitor, not ideal but worth a try.You could always try connecting an external monitor, not ideal but worth a try.
Why not try replacing the bulb. Technical sophistication for this is moderate.Why not try replacing the bulb. Technical sophistication for this is moderate.
Answers & Comments
There is a small microswitch on most laptops that when the lid is closed turns the backlight off to save power, check to see it's not obstructed. It could also be a faulty inverter which powers the backlight, this will need replacing if this is the case
You could always try connecting an external monitor, not ideal but worth a try.
Why not try replacing the bulb. Technical sophistication for this is moderate.