You can choose one of these two methods:Connect your monitor audio in to your PC audio out via an audio cable (3.5mm connection)Connect your monitor and PC via HDMI (carries video and audio)

Microsoft pre-installs all relevant certifications and drivers for BenQ monitors in Windows.It is not necessary to install any driver in a Windows desktop or notebook, as BenQ monitors are plug & play displays.If there is no image on the screen, make sure your graphics card is activate and uses the latest driver version. Unlike monitors, graphics cards and adapters are not always plug & play.BenQ only puts one ICC profile in the WHQL driver which can be downloaded from BenQ's official website, and is fine-tuned for the color space of the native panel. In general, the ICC profile won’t be updated unless the panel model is changed.To follow user manual instructions to install a WHQL driver, the ICC profile (.icm file) will be applied in Windows on your PC.After that, the color space of the native panel will be identified by your desktop or notebook.

The projector supports 2 channel audio with Audio Return Channel (ARC) function on HDMI 1 after the firmware is updated to V1.0.5.Please follow the steps below on the OSD menu below to enable the ARC function on the projector.System Setup - Advanced > HDMI Settings > Audio Return (HDMI-1) > OnFor more connection examples, please see the following.

The monitor HDR function is triggered by input source. Enable/disable the HDR function on the input source, and monitor will automatically recognize this.