1 restart computer. 2. when the dell logo appears press either f12 or the delete key, might depend on your model. this is to open the boot menu. 3. select BIOS setup. 4. go to the system configuration tab, inside here should be the backlight settings for AC and battery. you can pick the settings you want!! FN+ tap keyboard. Mikzeroni • 2 yr. ago. I think you push and hold function, then tap spacebar. TheRetenor • 2 yr. ago. Then the backlight will go off again after idling for 15 seconds. Mikzeroni • 2 yr. ago. Oh okay, I'll look into it and see if I learn anything. [deleted] • 1 yr. ago. riCARdioBG • 1 yr. ago. Step1. Click on the Apple logo from the top and then open System Preferences. Step 2. From System Preferences click on Keyboard icon. Step 3. Make sure check button next to ' Turn keyboard backlight off after ' is checked and click on the dropdown menu to choose a time after which the backlighting should turn off. Step3: Change Backlight Settings. On the Logi Options+ home screen, you will see list of all your connected Logitech devices. Click on your MX keyboard and then select Backlighting option. Next, click on the Backlighting tooltip to access its settings. Refer to the screenshot below: Choosea new display setting on your laptop or notebook if the screen is too intense for your liking. Or, you can turn up the brightness if it's too dark or difficult to see. To adjust the brightness from Settings, navigate to Start , select Settings , and then select System . Fromyour monitor's OSD, find the G-SYNC or FreeSync option and make sure it's turned on. Then, open your graphics driver's options to enable it there as well. If you have an NVIDIA graphics card, right-click the desktop and choose NVIDIA Control Panel, choose Set Up G-SYNC, and check the "Enable" box at the top of the window. iNBJ.

how do i adjust the backlight on my tv