Swift SF314-41 Screen backlight not working

jn87

Hello,

I have an Acer Swift SF314-41 laptop, modelnumber N17W7. After a system restart some days ago, suddenly the backlight of the laptop screen has stopped working. When I shine a flashlight into the screen, I can see screen activity. I can also hookup an external monitor just fine.

I have tried re-installing windows, thinking that maybe some driver had gone corrupt and the re-installation would fix that. However that did not fix it.

I noticed that the F6 key has a pictogram on it that seems to be meant for switching the screen backlight on or off. But pressing this button, with or without FN key held down, doesnt do anything. All other FN keys are working properly. For example the increase/decrease screen brightness keys are working, same for volume functions, touchpad block, etc. Only the FN F6 key doesnt seem to work. I am wondering if this is maybe related to the problem.

Could you please help me diagnose this problem and take steps to have my laptop screen working properly again? Thank you.

{Thread was edited to add model name to the title}

AnhEZ28

@jn87 if you don't see the Acer logo after power on. The backlight is surely is not working. The issue can be from loose or damaged LCD cable, faulty LCD backlight, or motherboard problem.