How to Check the Backlight

crwdns2935425:01crwdne2935425:0

crwdns2935419:0crwdne2935419:0

crwdns2936315:0crwdne2936315:0

crwdns2936317:0crwdne2936317:0

crwdns2931653:01crwdne2931653:0

How to Check the Backlight: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

How to Check the Backlight: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

My laptop's backlight is turned off because I'd rather not break my screen for this guide...
Also, Before you start, have you tried turning up the brightness?
This is a laptop with a display that shows nothing.
Shining a light on the display, you can see a faint image.

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0