I have a Dell Inspiron 15 7000 (2-in-1), model 7586.
I've managed to achieve graphics acceleration on my UHD 620 integrated graphics (Whiskey lake proccessor, ig-platform-id 0x3EA50009), but the backlight at maximum settings is extremely low, and completely of from about halfway down. When I add SSDT-PNLF.aml to may ACPI.pathed folder, the backlight turns off completely halfway through booting, but every three seconds or so flickers on high brightness for a split second. The brightness settings, when changed from maximum, stop the flickering atnd the backlight remains off.
What's going on? Does anyone know how to fix this?
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