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Update 50_camera_trouble.md

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AleksandarPetrov committed Oct 17, 2018
1 parent 7be93b1 commit 7759d0553dac16d8e9e30805c21bb721a1280cdc
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  1. +8 −0 book/opmanual_duckiebot/atoms_18_setup_troubleshooting/50_camera_trouble.md
@@ -27,3 +27,11 @@ Some people bent the cable too much breaking it.
</figure>

### Resolution: Remove the cap.

## `libGL error` when running `dts start_gui_tools`

If you have an error like that when running `dts start_gui_tools` or another command with a GUI on the Duckiebot, then you are likely having issues with an NVIDIA graphics card:

`libGL error: No matching fbConfigs or visuals found libGL error: failed to load driver: swrast nvidia docker`

This could occur on a computer that has two grpahics cards: e.g. a discrete NVIDIA GPU, and an integrated Intel card. In order to run these commands you will have to switch to the Intel card. Please follow the official guidelines for your OS and grpahics card to find out how to do that.

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