# GROMACS - gpu is not detected **URL:** \ **Category:** User discussions\ **Created:** [February 7, 2021, 9:25am UTC](https://gromacs.bioexcel.eu/t/gromacs-gpu-is-not-detected/1549 "2021-02-07T09:25:15Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![pszilard](https://dub1.discourse-cdn.com/flex017/user_avatar/gromacs.bioexcel.eu/pszilard/32/21_2.png) [@pszilard](https://gromacs.bioexcel.eu/u/pszilard)\ **Post date:** [February 10, 2021, 3:44pm UTC](https://gromacs.bioexcel.eu/t/gromacs-gpu-is-not-detected/1549/4 "2021-02-10T15:44:19Z")
> [@JakubH](#): > > cmake … -DGMX\_BUILD\_OWN\_FFTW=ON -DREGRESSIONTEST\_DOWNLOAD=ON -DGMX\_GPU=CUDA That is useful, but the above binary is already built with CUDA support (see ` GPU support: CUDA` above), so it will not address the issue. > [@JakubH](#): > > In addition GROMACS 2021 is a beta version, so it is a little bit risky. 2021 stable was released two weeks ago: [GROMACS 2021 official release](https://gromacs.bioexcel.eu/t/gromacs-2021-official-release/1502) --- _[View the full topic](https://gromacs.bioexcel.eu/t/gromacs-gpu-is-not-detected/1549)._