# Can't connect to ROV after QGC update to 4.0.5 **URL:** \ **Category:** Blue Robotics Software\ **Created:** [May 9, 2020, 3:04pm UTC](https://discuss.bluerobotics.com/t/cant-connect-to-rov-after-qgc-update-to-4-0-5/7344 "2020-05-09T15:04:43Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![hube268](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.bluerobotics.com/hube268/32/5292_2.png) [@hube268](https://discuss.bluerobotics.com/u/hube268)\ **Post date:** [May 13, 2020, 5:14am UTC](https://discuss.bluerobotics.com/t/cant-connect-to-rov-after-qgc-update-to-4-0-5/7344/2 "2020-05-13T05:14:11Z")
Hi @Lucas. I had the same issue. Here was my post with the solution. Good news, its easy. > [@No Telemetry After Updating Pixhawk firmware to v4.0.1](https://discuss.bluerobotics.com/t/no-telemetry-after-updating-pixhawk-firmware-to-v4-0-1/7237/13): > > That worked for me too! Thanks Try resetting the mavproxy parameters to their defaults at [http://192.168.2.2:2770/mavproxy](http://192.168.2.2:2770/mavproxy) --- _[View the full topic](https://discuss.bluerobotics.com/t/cant-connect-to-rov-after-qgc-update-to-4-0-5/7344)._