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!
First Solution: 🧑💻
Finally, after nearly a year of frustration, my IT contractor told me to do the following:
- immediately when powering on the computer,
- begin tapping the Fn+F2 key.
- Continue this for about 5-10 seconds until the screen shows up with a brightness bar that you can then adjust.
- So simple.
Hope it helps others! (Inspiron 5000 series).
Second Solution: 🧑💻
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. 👍
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