1. Introdución
The ASUS ZenScreen MB166C is a 15.6-inch Full HD (1920x1080) portable USB-powered monitor designed for enhanced productivity and entertainment on the go. Featuring an IPS anti-glare display and a single USB-C cable for both power and video signal transmission, it offers a convenient extended display solution. Its ultralight (approximately 780g) and super slim (11.8mm) design, along with an embedded tripod socket and protective sleeve, provide maximum versatility for various usage scenarios.

Image: The ASUS ZenScreen MB166C portable monitor, showcasinpolo seu deseño delgado e pola súa pantalla.
2. Que hai na caixa
Please check the contents of your ASUS ZenScreen MB166C package. If any item is missing or damaged, contact your retailer.
- ZenScreen MB166C Widescreen LCD Monitor
- Guía de inicio rápido
- Cable USB-C
- Tarxeta de garantía
- ZenScreen Sleeve (Protective)

Image: All items included in the ASUS ZenScreen MB166C product packaging.
3. Configuración
3.1 Conectar o monitor
The ZenScreen MB166C connects to your device using a single USB Type-C cable, which transmits both video signal and power. Ensure your host device's USB-C port supports DisplayPort Alternate Mode (DP Alt Mode).
- Connect one end of the provided USB-C cable to the USB-C port on your ZenScreen MB166C.
- Conecta o outro extremo do cable USB-C a un porto USB-C compatible do teu portátil, teléfono intelixente ou outro dispositivo.

Image: Diagram illustrating the single USB-C cable solution for video and power connection.
For more information on USB-C support, visit ASUS USB-C Support.
3.2 Using the Protective Sleeve as a Stand
The included ZenScreen sleeve can be folded to serve as a stand for the monitor, supporting both landscape and portrait orientations.
- Place the monitor into the sleeve.
- Fold the sleeve into a triangular shape to create a stable base for the monitor.
3.3 Montaxe do trípode
The ZenScreen MB166C features an embedded tripod socket on its rear, allowing for flexible positioning with a compatible tripod (not included).
- Locate the tripod socket on the back of the monitor.
- Securely attach the monitor to a standard tripod mount.
3.4 Software Installation (DisplayWidget)
To enable automatic screen orientation switching between landscape and portrait modes, install the ASUS DisplayWidget software. This feature requires drivers and is compatible only with Windows operating systems.
- Download the latest DisplayWidget software from the official ASUS support website for your MB166C model.
- Follow the on-screen instructions to install the software and necessary drivers.

Image: A laptop connected to the ASUS ZenScreen MB166C, demonstrating its use in portrait orientation for document viewing.
4. Funcionamento
4.1 Acendido/Apagado
The monitor automatically powers on when connected to a compatible device via USB-C and receives a video signal. To power off, disconnect the USB-C cable from the source device.
4.2 Adjusting Display Settings (OSD Menu)
The ZenScreen MB166C features an On-Screen Display (OSD) menu for adjusting various settings such as brightness, contrast, color temperature, and more. Access the OSD menu using the physical buttons located on the monitor's side or bottom bezel.
- Prema o botón Menú para abrir o menú OSD.
- Usa os botóns de navegación para desprazarte polas opcións.
- Press the Select button to confirm your choice.
- Press the Exit button to close the OSD menu.
4.3 Orientation (Landscape/Portrait)
With the DisplayWidget software installed on a Windows PC, the monitor can automatically detect its orientation and switch between landscape and portrait modes. Without the software, you may need to manually adjust the display settings on your connected device.
4.4 Características do coidado dos ollos
The ZenScreen MB166C incorporates ASUS Eye Care technologies, including TÜV Rheinland-certified Flicker-free and Low Blue Light features, designed to reduce eye strain during prolonged use. These settings can typically be adjusted via the OSD menu.
5. Mantemento
5.1 Limpeza da pantalla
Para limpar a pantalla do monitor, limpe con coidado cun pano suave e sen pelusa. Para manchas difíciles, limpe lixeiramenteampEnxágüe o pano con auga ou cun limpador de pantalla suave e non abrasivo. Evite usar produtos químicos agresivos, alcol ou limpadores con base de amoníaco, xa que poden danar a superficie da pantalla.
5.2 Almacenamento
When not in use, store the ZenScreen MB166C in its protective sleeve to prevent scratches and dust accumulation. Store it in a cool, dry place away from direct sunlight and extreme temperatures.
6 Solución de problemas
6.1 No Display/No Signal
- Ensure the USB-C cable is securely connected to both the monitor and the source device.
- Verify that your source device's USB-C port supports DisplayPort Alternate Mode (DP Alt Mode). Not all USB-C ports support video output.
- Try connecting the monitor to a different USB-C port or another compatible device to rule out issues with the source port.
- Check the display settings on your source device to ensure it is configured to output to an external monitor.
6.2 Auto-Rotation Not Working
- Confirm that the ASUS DisplayWidget software is installed on your Windows operating system.
- Ensure the necessary drivers are installed and up to date.
- Note that auto-rotation functionality is only supported on Windows OS.
6.3 Problemas de calidade de imaxe
- Axuste o brillo, o contraste e a cor a través do menú OSD.
- Ensure the display resolution on your source device is set to 1920x1080 for optimal clarity.
6.4 No Relevant Videos Found
Based on the provided product information, no official product videos with 'Seller' creator type or useful 'preview' content were identified for embedding in this manual.
7. Especificacións
| Característica | Especificación |
|---|---|
| Modelo | MB166C |
| Tamaño da pantalla | 15.6 polgadas |
| Tipo de panel | IPS |
| Resolución | 1920 x 1080 (Full HD) |
| Relación de aspecto | 16:9 |
| Superficie da pantalla | Mate (antirreflexo) |
| Conectividade | USB tipo C (modo alternativo DP) |
| Peso do elemento | 1.72 libras (aprox. 780 g) |
| Dimensións do produto (LxWxH) | 8.88 x 14.18 x 0.46 polgadas (22.55 x 36.02 x 1.17 cm) |
| Cor | NEGRO |
| Características do coidado dos ollos | Sen parpadeos, baixa luz azul (certificación TÜV Rheinland) |
| Montable en trípode | Si |
8. Garantía e soporte
8.1 Información da garantía
The ASUS ZenScreen MB166C Portable USB Monitor comes with a 3 ano de garantía. Please refer to the Warranty Card included in your package for detailed terms and conditions. Keep your proof of purchase for warranty claims.
8.2 Soporte técnico
Para obter asistencia técnica, descargas de controladores ou máis información sobre o produto, visite o soporte oficial de ASUS websitio:
- Soporte ASUS Websitio: www.asus.com/support/
You may also find helpful resources and FAQs on the product's dedicated support page by searching for 'MB166C' on the ASUS support websitio.