VERY IMPORT NOTE
1. Only can work with MINI display Monitor. Do not move your devices and cable during use.
2. NOT COMPATIBLE with Apple Thunderbolt Display. This is a USB C to MINI display cable.
3. NOT COMPATIBLE with Thunderbolt 1 & 2 drivers. Please be informed if you use iMac as external monitor, this Mini DP male port is ONLY compatible with iMac 27-inch late 2009 and iMac 27-inch Mid 2010, NOT compatible with iMac (Mid 2011-Late 2015).
4. If you use for Apple LED Cinema Display, please make sure it is has MINI display port otherwise IT IS NOT COMPATIBLE.
5. When connect with HUAWEI Mate 10, iMac with Mini DisplayPort can ONLY mirror your cellphone.
6. We recommend you to make sure your monitor/tv could supply corresponding output. If the resolution of your laptop is higher than the external monitor, please go to Windows Menu--> Setting--> Display--> Advanced Display Settings, set your laptop's resolution same as or lower the resolution of external monitor.
7. Mirror and Extend Mode:
7.1):For MacOS, Top left corner Apple icon-->System Preferences-->Displays-->Mirror or Extend Displays;
7.2):For Windows 10, press Windows key + P combination command-->choose Duplicate or Extend.
For Windows,If it does not work, you can go to the official website of your laptop, update the BIOS and graphics driver, and try again.