# Firefox Browser issue

**URL:** <https://mediasoup.discourse.group/t/firefox-browser-issue/1448>\
**Category:** mediasoup-demo\
**Created:** [July 18, 2020, 8:37pm UTC](https://mediasoup.discourse.group/t/firefox-browser-issue/1448 "2020-07-18T20:37:03Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jinguangze](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/jinguangze/32/472_2.png) [@jinguangze](https://mediasoup.discourse.group/u/jinguangze)\
**Post date:** [July 18, 2020, 8:37pm UTC](https://mediasoup.discourse.group/t/firefox-browser-issue/1448/1 "2020-07-18T20:37:03Z")

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this.\_mediasoupDevice.canProduce(“video”)

This code returns false on firefox browser.  
It’s mean can’t share screen on firefox. but I checked [https://github.com/edumeet/edumeet](https://github.com/edumeet/edumeet)  
It’s sharing screen on firefox.  
Can you explain, how can produce screenshare on firefox?

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**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\
**Post date:** [July 18, 2020, 8:46pm UTC](https://mediasoup.discourse.group/t/firefox-browser-issue/1448/2 "2020-07-18T20:46:18Z")

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Please read the documentation, specially the device.load() method.

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<div class="post-metadata">

**Author:** ![jinguangze](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/jinguangze/32/472_2.png) [@jinguangze](https://mediasoup.discourse.group/u/jinguangze)\
**Post date:** [July 18, 2020, 9:23pm UTC](https://mediasoup.discourse.group/t/firefox-browser-issue/1448/3 "2020-07-18T21:23:18Z")

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I am getting this error now.  
`WebRTC: ICE failed, add a STUN server and see about:webrtc for more details`  
enableShare() | failed: Error: 500