# A06 OpenGL app show nothing but works

**URL:** <https://forum.clockworkpi.com/t/a06-opengl-app-show-nothing-but-works/9744>\
**Category:** DevTerm\
**Created:** [March 16, 2023, 3:23pm UTC](https://forum.clockworkpi.com/t/a06-opengl-app-show-nothing-but-works/9744 "2023-03-16T15:23:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![plumlis](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/plumlis/32/6971_2.png) [@plumlis](https://forum.clockworkpi.com/u/plumlis)\
**Post date:** [March 16, 2023, 3:23pm UTC](https://forum.clockworkpi.com/t/a06-opengl-app-show-nothing-but-works/9744/1 "2023-03-16T15:23:42Z")

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![photo_2023-03-16_23-22-36](https://canada1.discourse-cdn.com/flex029/uploads/clockworkpi/original/2X/2/2e4d2654a138c8407204cd113a776af769f5083f.jpeg)

It seems opengl is working. But I can’t see anything in window, No gears.

Devterm A06 with 2.0f firmware.

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<div class="post-metadata">

**Author:** ![plumlis](https://yyz1.discourse-cdn.com/flex029/user_avatar/forum.clockworkpi.com/plumlis/32/6971_2.png) [@plumlis](https://forum.clockworkpi.com/u/plumlis)\
**Post date:** [March 17, 2023, 12:58am UTC](https://forum.clockworkpi.com/t/a06-opengl-app-show-nothing-but-works/9744/2 "2023-03-17T00:58:27Z")

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Issue solved.

sudo ppa-purge ppa:oibaf/graphics-drivers