# Article: Why can't I get 4 displays working using MSTDP124DP with an AMD or Nvidia video card?

**URL:** <https://community.startech.com/t/article-why-cant-i-get-4-displays-working-using-mstdp124dp-with-an-amd-or-nvidia-video-card/828>\
**Category:** Docks, Hubs, Display Adapters\
**Created:** [February 14, 2022, 12:23pm UTC](https://community.startech.com/t/article-why-cant-i-get-4-displays-working-using-mstdp124dp-with-an-amd-or-nvidia-video-card/828 "2022-02-14T12:23:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![malcolm](https://yyz2.discourse-cdn.com/flex012/user_avatar/community.startech.com/malcolm/32/17_2.png) [@malcolm](https://community.startech.com/u/malcolm)\
**Post date:** [February 14, 2022, 12:23pm UTC](https://community.startech.com/t/article-why-cant-i-get-4-displays-working-using-mstdp124dp-with-an-amd-or-nvidia-video-card/828/1 "2022-02-14T12:23:04Z")

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_This article was created from a community discussion by BrianL_

Some video cards don’t support MST at all and others might not support 4 displays over MST. Check with your video card manufacturer to make sure your video card supports MST and the number of displays you need.