Compatible Devices(Alt Mode, PD, & DisplayLink),Not Full List:
Some of the systems which currently support Alt Mode, PD, and DisplayLink :
MacBook(2015/2016/ 2017/2018/2019/2020)
MacBook Pro( 2016/2017/2018/2019/2020)
iMac/iMac Pro(21. 5 in & 27 in)
Dell XPS 13" 9350/9360/9370/8930, Dell XPS 15 9550/9560, Dell Precision 5510/5520
HP Spectre x360 13" ("Kaby Lake" version w)/Zbook/ Elitebook 840 G5, Lenovo Yoga 720 13" & Yoga 920.
Incompatible Devices(Not a full list) :
The latest M1 laptop
HP Pavilion
All MSI laptop / All Asus laptop
Nintendo Switch
MacBook Pro 2015
Apple USB SuperDrive
ROG Zephyrus S GX701
Surface go/Surface Pro 7/Surface Book 2
Compatible Operating Systems
USB 3.1 Gen2 Type C laptop| Catalina 10.15, Mojave 10.14 or later | Windows 10, 8.1, 8, 7 or later
System Requirements: The host device must support Power Delivery and DisplayPort Alt Mode or USB-C 3.1 (generation 2).
Audio/Mic Remind
Plug in this thunderbolt 4 dock sometimes will change the default Audio output device to thunderbolt 3 hub which means your laptop speakers will not work anymore.To make your laptop speaker work please change in your laptop OS setting the audio output device back to laptop speakers
USB Accessories Disabled Solutions
If you experiencing the problem
Solution 1 Please unplug and re-plug
Solution 2 Reset the SMC of your device