FIX: Unable to Adjust LCD Brightness on Your Laptop/System


I had a problem that my screen was very dark when on battery, ie: not plugged in Despite exhaustive searching on Microsoft, dell, and throughout my computer, I was unable to find a slide bar that nearly every support blog says is there!

FIX Unable to Adjust LCD Brightness

First Solution: πŸ§‘‍πŸ’»

Finally, after nearly a year of frustration, my IT contractor told me to do the following:

  1. immediately when powering on the computer,
  2. begin tapping the Fn+F2 key.
  3. Continue this for about 5-10 seconds until the screen shows up with a brightness bar that you can then adjust.
  4. So simple.

Hope it helps others! (Inspiron 5000 series).

Second Solution: πŸ§‘‍πŸ’»

I had this issue on my Dell Inspiron 13 7000 series for a very long time. I tried searching Google and Dell support community and I did:

Control Panel > Device Manager > Display Adapters > Intel HD Graphics 5500 > Driver > Update Driver > Search Automatically

NOTE: If Intel HD Graphic is not getting update or any other changes are shown then download your compatible Intel HD Graphics Driver and Install. it will work.

It fixed. πŸ‘ 

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