See the 'Best solution' post in this thread it also has a link to a schematic. the backlight problem, apparently one cause is a failure of a mosfet, Q7. If the problem is the screen backlight, you need to look near where the screen connections are on the main board. The legend near the connector in your photo implies that's what those components are for. Dell XPS 13 keyboard doesnt work unless I put it to sleep. when you press Function Key + Brightness Up/Down, the onscreen brightness meter pops up but the actual. While I love Windows 10 so far, there is one major annoyance: brightness adjustment no longer works i.e. The most credible platform, Amazon sells a variety of laptops and also deals directly with manufacturers. Many people prefer buying products from Amazon for a reason. Dell Latitude E6400 keyboard backlight does not work with Ubuntu 18.04. The first was a Dell Inspiron 11 2-in-1, the 2nd was a Dell Latitude E5450, and the 3rd was a Dell XPS 13 (2015 Infinity Display). Prior to Buying Your First dell studio 1555 keyboard backlight not working, Consider the Following Factors. The ones I've seen in that application look like a miniature axial resistor.Įdit - just searched the computer model and found it has an option for a backlit keyboard. This works for a different model Dell laptop I have as well, and I would suspect for anything else with Dells BIOS (dont have experience with any other vendors). There is a BIOS setting to reverse the function of the Fn key so the. how to fix hp laptop keyboard keys not working. Some laptops do have a conventional miniature wire fuse in the power input circuit. F9: Turn the keyboard backlight on or off. That style is normally self-resetting, they go back to normal when the overload is removed.

They have that case style with the notched ends.ĭoes it read as a low value when you test it with a multimeter? It should be low ohms (single digits) or fractions of an ohm. FS1 is possibly a 'Polyswitch' style solid state fuse, a PTC resistor.

Dell laptop backlight not working