# Help Sub lab black screen **URL:** \ **Category:** SubLab\ **Tags:** bug\ **Created:** [April 6, 2021, 1:16am UTC](https://community.futureaudioworkshop.com/t/help-sub-lab-black-screen/714 "2021-04-06T01:16:48Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![jan](https://avatars.discourse-cdn.com/v4/letter/j/ce7236/32.png) [@jan](https://community.futureaudioworkshop.com/u/jan)\ **Post date:** [April 6, 2021, 1:16am UTC](https://community.futureaudioworkshop.com/t/help-sub-lab-black-screen/714/1 "2021-04-06T01:16:48Z")
down loaded it then opened in preferances all that shows up under vst3, i drag it in click on tool and it opens a space to enter the activation code and then a second later goes black so I cant put the code in ??? ---
**Author:** ![Gavin\_FAW](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.futureaudioworkshop.com/gavin_faw/32/291_2.png) [@Gavin\_FAW](https://community.futureaudioworkshop.com/u/Gavin_FAW)\ **Post date:** [April 20, 2021, 7:05pm UTC](https://community.futureaudioworkshop.com/t/help-sub-lab-black-screen/714/2 "2021-04-20T19:05:42Z")
Have you had a look at this support document > **[SubLab interface is showing as an empty blank window. How do I fix this?](https://support.futureaudioworkshop.com/hc/en-us/articles/360026560693-SubLab-interface-is-showing-as-an-empty-blank-window-How-do-I-fix-this-)** > > SubLab uses openGL by default to draw the interface.  > Older graphics cards (for example Nvidia geforce 9500 GT) and some on-board Intel graphics chips in Windows laptops (such as Mobile intel 4 Ser... Its a known issue with some graphic cards and SubLab, you can deactivate openGL and it should work ok. Thanks, Gavin. ---
**Author:** ![Julia](https://yyz1.discourse-cdn.com/flex027/user_avatar/community.futureaudioworkshop.com/julia/32/981_2.png) [@Julia](https://community.futureaudioworkshop.com/u/Julia)\ **Post date:** [December 4, 2025, 12:06pm UTC](https://community.futureaudioworkshop.com/t/help-sub-lab-black-screen/714/3 "2025-12-04T12:06:42Z")