Turning off discrete graphics for Acer Aspire 4750G
OPTIMUS on Linux has always been a pain in the ass for Linux users. It drains your battery power but you can't use it! Here is a way to turn it off on Linux, enjoy. Install acpi_call From github git clone https://github.com/mkottman/acpi_call.git cd acpi_call make sudo cp acpi_call.ko /lib/modules/`uname -r`/kernel/drivers/acpi From AUR If you are using Arch Linux, it's available at here