Why Choose PTEROMYS 14" Portable Monitor for Laptop Screen Extender?

• Build your workstation anywhere & anytime: Easy to fold and carry, not limited by time and space, you can quickly create your own personal laptop workstation anytime, anywhere, a good companion for remote workers traveling.
• Increase work efficiency by up to 300% & Save Time：monitor extension for laptop can extend or mirror your laptop's content so you can open multiple tasks at the same time, don't need to continuously switch back and forth your work content on a single laptop screen, save lots time for you.
• Exceptional display performance: with a maximum resolution of 1920x1080P, 16:9 aspect ration, 60Hz refresh rate, 300nit brightness, 72% NTSC color gamut, and a wide 178° IPS wide viewing angle, the laptop monitor delivers vibrant colors and a wide field of vision. Adjustable brightness to your prefer ence with its 0-300 level adjustment, immersing yourself in rich visuals.
• No Driver Needed: comes with every cable needed, just need to connect the portable screen for laptop via USB-C or HDMI and USB-A directly without any additional driver download.

Important Note: The laptop screen extender can not directly fit for M1/M2/M3/M4 Chip MacBook Air/Pro, need buy the customized H5-T adapter.

Use 2 USB-C to USB-C cables connection:

• Make sure the USB-C port on your laptop is full-founctioned (support charge and data transmit), and USB-C cable on the right port (TOP or Middle port with TYPE-C1 & TYPE-C2 marked) of the triple screen extender.

Use one HDMI to USB-C & one USB-A to USB-C cables + one USB-C to USB-C cable -- 3 cables connection:

• Charge the USB-C to USB-C cable to laptop's full-featured USB-C port(support charge and data transmit), charge the other side to Monitor's Right side TOP or Middle port with TYPE-C1 & TYPE-C2 marked port.
• Charge one HDMI to USB-C cable to Left side Monitor's BOTTOM port with HDMI marked of the screen extender(There's font identification).
• Charge an extra USB-A to USB-C cable to connect your laptop and the Left side Monitor(TOP or Middle port with TYPE-C1 & TYPE-C2 marked) to power on the screen extender, then active your laptop after connected.

Common Problem Solutions of this Laptop Screen Extender

Q: Screen Display "No Signal"

USB-C cable Connection:

• Make sure the USB-C port on your laptop is full-founctioned, and charge the USB-C cable on the right port (TYPE-C1 & TYPE-C2 marked) of the laptop screen extender.
• Make sure your laptop is not the M1/M2/M3/M4 Chip MacBook Air/Pro, these laptop has the chip limitted, do not allow three screen at the same time

HDMI cable Connection:

• Check the back of the laptop monitor extender，make sure you have charge the HDMI to USB-C cable in the Type-C port with HDMI marked of the screen extender(There's font identification).
• Connect another USB-A to USB-C cable to your laptop and the portable monitor extender to power supply, then active your laptop after connected.

Q: Screen Flickers & Black Screen or not light up after connecting?

• Make sure you have charge the cable in the right port of the laptop monitor extender, and if use the HDMI cable, please add extra USB-A to USB-C cable to power supply.
• It may be that your laptop is low battery or voltage is insufficient, use an charge cable to charing your laptop or an extra USB-A to USB-C cable to power the monitor extender. You can also charge the monitor with an extra power supply(Wall charger) that provide 5V/2A or above.
• Make sure your laptop is not M1, M2 and M3,M4 chip MacBook Air/Pro, this S3 laptop screen extender can not work with M1/M2/M3/M4 chip directly, need buy the customized H5-T video signal conversion cable.
• Please activate your laptop screen, avoid putting your computer to sleep.