# Pixhawk can't connect to qgoundcontrol

**URL:** <https://discuss.px4.io/t/pixhawk-cant-connect-to-qgoundcontrol/16258>\
**Category:** QGroundControl\
**Created:** [April 16, 2020, 3:40am UTC](https://discuss.px4.io/t/pixhawk-cant-connect-to-qgoundcontrol/16258 "2020-04-16T03:40:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Teerapat](https://discuss.px4.io/user_avatar/discuss.px4.io/teerapat/32/6075_2.png) [@Teerapat](https://discuss.px4.io/u/Teerapat)\
**Post date:** [April 16, 2020, 3:40am UTC](https://discuss.px4.io/t/pixhawk-cant-connect-to-qgoundcontrol/16258/1 "2020-04-16T03:40:17Z")

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Hi , I have a problem after update firmware pixhawk 2.4.6 on qgoundcontrol, i can’t connect pixhawk on qgroundcontrol .I need your help .

thank you!

 ![pix4-1](https://discuss.px4.io/uploads/default/original/2X/9/95c170576f0c063ce4ee098b76c750420b9c806f.jpeg) ![pix4-2](https://discuss.px4.io/uploads/default/original/2X/a/aca3db646744ceddaeadc5e1c710927834aed7ef.jpeg)

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**Author:** ![JulianOes](https://discuss.px4.io/user_avatar/discuss.px4.io/julianoes/32/30_2.png) [@JulianOes](https://discuss.px4.io/u/JulianOes)\
**Post date:** [April 16, 2020, 6:30am UTC](https://discuss.px4.io/t/pixhawk-cant-connect-to-qgoundcontrol/16258/2 "2020-04-16T06:30:43Z")

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Have you tried restarting QGC and plugging the Pixhawk in and out?

And what are the LEDs on the Pixhawk doing after startup?