stands for Inter-Integrated Circuit . It is a serial communication protocol that allows low-speed peripherals to communicate with the motherboard. In modern laptops, especially thin-and-light HP models, this protocol is used to connect input devices like touchscreens and precision trackpads to the main system board.
This should always be your first step. It resolves temporary firmware glitches that prevent the hardware from initializing. i2c hid device driver hp windows 10
Some HP laptops require a custom HP-signed version of the Intel Serial IO driver. If the generic Intel driver fails, download the Chipset driver from HP’s support page, which includes the Serial IO driver. stands for Inter-Integrated Circuit