For MacOS, Top left corner Apple icon–>System Preferences–>Displays–>Mirror or Extend Displays;

For Windows 10, press Windows key + P combination command–>choose Duplicate or Extend.

For Windows system laptop, if the external monitor could not work, please update the BIOS and graphic card driver from laptop official website.

For MacOS, Please go to Apple icon–>System Preferences–>Sound–>Output, choose your TV as the sound output.

For Windows 10, please click right bottom of your sound icon–>choose your TV as the sound output.

1.Supports HDMI resolution up to 4k*2K@30Hz,in order to enjoy the 4K high resolution, please make sure to use a 1.4 or higher version HDMI cable；Support VGA resolution up to 1080P@60Hz.

2.We recommend you to make sure your monitor/tv could supply corresponding output.That means if your computer supports 4K@60Hz, while your monitor/TV only supports 1080p, you can only output 1080p rather than 4K.

3.If the resolution of your laptop is higher than the external monitor.

For windows:

Windows Menu–> Setting–> Display–> Advanced Display Settings, set your laptop’s resolution same as or lower the resolution of external monitor.

For MacOS:

Left-upper Apple icon–>System Preferences–>Displays–>Mirror displays. Then your HDMI & VGA monitor would mirror your Mac. However here you have two choices. One is “Optimize For” your built-in Retina Display, the other is “Optimize For” your HDMI monitor. You can choose which one you like.

* MacBook Pro 2019 / 2018 / 2017 / 2016 / Mac Pro / iPad Pro* iMac (Mid 2017) and newer / iMac Pro

* Mac Mini (Late 2018) and newer

* MacBook (Early 2015) and newer / MacBook Air (Late 2018) and newer

* New Chromebook Pixel / Pixelbook 2-in-1 / Pixel Slate 2-in-1 / Chromebook Pixel (2015)

* Dell XPS 15 / 13 / 12

* HP EliteBook Folio G1 / HP Spectre 13 laptop / Spectre x360 2-in-1

* Lenovo Thinkpad E580 / T470 / T480 / X1 Carbon (2017) / A485 / A285 / E485 / E585 / Yoga 900 / 910 / 920

* Asus Zen AIO All in One PC

* Surface Book 2/surface go

* Samsung Galaxy S8 / S8+ / Note8 / S9 / S9+ / Note9 / S10 /S10e / S10+ / Note 10 and Tab S4.<br>

* LG G5 / G7 / G7+ / Q8 / V20 / V30 /V30+ / V35 / V35+ / V40 / Exodus 1

* HTC 10 / HTC U Ultra / U11+ / HTC U12+

* HUAWEI Mate 10 / Mate 10 Pro / Mate 20 / Mate 20 Pro / Mate X / P20 / P20 Pro / P30 / P30 Pro / Honor Note 10 / Honor View 20

  Not require any software, drivers;