Hold down the split-reset button down for 5 seconds.
Hold the illuminate/light button down for 2-3 seconds until the watch beeps. The same thing turns it off.
Go to the sttings menu and select backlight then select off.
I think its broken
To turn on the backlight on a Dell Vostro laptop, you can typically adjust the brightness using the function keys on the keyboard. Look for the brightness symbol, usually represented by a sun icon, on the F keys (often F11 and F12). Hold down the "Fn" key while pressing the appropriate function key to increase or decrease the backlight brightness. If your laptop has a dedicated key for backlight control, pressing it should also activate the backlight.
Turn off Wifi Set display backlight and brightness level to low
There is NO back-lit keyboard available for the Dell 15r-5537 laptop!
You can't feel a shock because there is a insulator which insulates the flow of electricity. That's why you can't feel a shock when you turn off a switch.
let it charge up in light. It will turn on when it is charged.
Either wait one minute after the backlight goes out and it will turn off automatically, or press and hold the play/pause button for 3-5 seconds.
If referring to the screen backlight, there is an option to modify how long it stays active. To access this setting, tap Settings. Then, tap General followed by Auto-Lock. The default time is 1 minute to save battery life but it can be adjusted up to 5 minutes. If you don't want the backlight to turn off at all, select Never. Note: The more time for screen to lit you choose more it will affect talk, standby, and data times.
transplant shock.
To turn off your autoreply, type !AUTOREPLY