“how I can turn off LED blue light inside PC case ? and how I can turn it on again ? Thanks you.”
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https://www.dell.com/support/kbdoc/en-us/000146629/inspiron-5680-light-bar-settings
Sorry, there was a problem. Please try again later.Launch the "Dell Light Bar Controller" from the start menu. Opening it, by clicking or pressing the Windows key, and typing "Light" or "Light Bar" should show it in the results. There you can toggle it on and off, and add it to your system tray if you think you'll be doing that frequently.
Sorry, there was a problem. Please try again later.Tape a piece of card over it
Sorry, there was a problem. Please try again later.It is quite easy to turn the blue light inside the PC on and off. Dell equips it with software for this called Light Bar Controller that sits inside your system tray (lower right-hand corner of the screen). One mouse click turns blue light on, or off. If for some reason your PC did not include the Dell Light Bar Controller, just download its free software installation program from the Dell website.
Sorry, there was a problem. Please try again later.Comes with the program "Dell Light Bar Controller". Run that and you can toggle the light bar OFF or ON.
Sorry, there was a problem. Please try again later.There's an option in the Dell software to turn the case LED's on and off.
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