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If the audio device is self-powered, it is a good idea to make sure that it is powered on, and that the device's volume control is not at the absolute minimum setting
Most Windows notebook computers power management settings will default to putting the computer to sleep with the lid closed, regardless of any external displays, keyboard, or mouse connected to the computer. If this is happening but you would prefer the system to remain active with the lid closed utilizing the external display or displays, these settings can be changed by performing the following: For Windows 10: The majority of the users have claimed that their USB C to HDMI stopped working after the update of Windows 10. And for resetting the current update, use the above-mentioned method. 3. Choose another USB port/hubThe best thing to update your driver correctly is to utilize a third-party utility that will scan your hardware and you will be given the options of the latest version of the driver. One of the popular application for solving driver related issues in PC is Driver Easy. 2. Windows 10 Build Update cancelled Display Rotation on Silicon Motion graphics adapters is supported on Apple Silicon based devices only (M1 and M2 Processors) running macOS 12 or newer. Display Rotation is not currently supported on Intel based Apple devices. Windows 7/8.x—Select Recording Devices. The Sound window will open with the Recording tab highlighted Silicon Motion technology uses the Silicon Motion software driver on Windows and Silicon Motion InstantView application on macOS to generate a "virtual desktop" image that is sent over a USB connection to the adapter. These pixels are rendered by the Silicon Motion chip within the adapter to then send a video image to the connected monitors.
Thus USB-C to HDMI not functioning is not a big issue. This issue can be solved easily by following the proper steps. In some cases updating either the driver for the system's internal GPU or updating Windows itself (when Microsoft provides such updates) can help, however that is unfortunately not always the case. Yes with macOS 11 Big Sur and macOS 12 Monterey on Apple M1 based systems (an external power source must be connected to the Mac) The following are the possible problems noticed when connecting USB C to HDMI as complained by several users across the web and their corresponding fixes.
How do I troubleshoot my USB C to HDMI?
USB-C or USB 3.0 to HDMI—Featuring a hybrid 2-in-1 cable, easily connect as a USB4, Thunderbolt 4, Thunderbolt 3, USB-C, or even a USB 3.0 to HDMI adapter. Because the connection adapts to the port, you’ll never be left looking for an adapter Hard drive retention: Hard drive retention is not available on models with a soldered hard drive, including XPS 9315 2in1, Chromebooks or Venue tablets, except the Venue 11 Pro. No, this is not possible. Please note that DisplayPort to HDMI cables (as with most cables involving protocol/signal conversion) are not bidirectional adapters, which means they only work in one direction -- from a DisplayPort output to a HDMI input. When a Plugable Silicon Motion device is not working as expected with a Windows system, the best practice is to disconnect the device from the host system (and remove it's external power source, if it has one) and perform a manual installation of the latest version we recommend of the required Silicon Motion software driver to help ensure both are in a good state. To do so, please follow these steps:
Also Read: How to solve Samsung USB C to hdmi not working Some otherPotential Causes of USB C to HDMI Not Working and How to Solve Them As soon as the driver gets updated, if the driver update was the issue, USB C to HDMI connection will start working immediately. Windows can easily find out any USB-HDMI connection after the hardware changes. The above solution will solve the issue of many users but not for all.Uninstall any and all software with 'Silicon Motion' in the title that is present from within the Control Panel > Programs and Features (Apps and Features in Windows 10). If an entry is not listed in the Programs and Features application, the driver was likely installed automatically by Windows Update. Please then move on to the next step of installing the latest recommended driver In this case also, it could be adapter driver issue. So you follow the steps earlier indicated above to update your driver accordingly. What You Get: PowerExpand USB-C to Dual HDMI Adapter, welcome guide, our worry-free 18-month warranty, and friendly customer service.
To update the driver just go to press a combination of the Windows Key and the letter S and type in Device Manager. HDMI ports support USB-C DP Alt Mode and requires compatible USB-C DisplayPort Alternate Mode host. Supports (2) independent screens in Windows or Chromebook, (1) in iPadOS and (1) in macOS (or dual mirror)In the upper left corner of the settings window, in the search box, type "lid" then select Change what closing the lid does from the search results
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