# Can't connect to vehicle **URL:** \ **Category:** Blue Robotics Software\ **Created:** [February 28, 2022, 3:46pm UTC](https://discuss.bluerobotics.com/t/cant-connect-to-vehicle/11638 "2022-02-28T15:46:54Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![niklas\_diver](https://avatars.discourse-cdn.com/v4/letter/n/7ba0ec/32.png) [@niklas\_diver](https://discuss.bluerobotics.com/u/niklas_diver)\ **Post date:** [March 3, 2022, 8:24pm UTC](https://discuss.bluerobotics.com/t/cant-connect-to-vehicle/11638/3 "2022-03-03T20:24:41Z")
Hi Eliot! After having both memory cards out and formatting and updating the software, it’s up and running again. Surprised at how it can stop working from one day to the next without having configured or updated the computer. Glad it works again, thanks for the help. This link led to success > [@Software Updates](https://discuss.bluerobotics.com/t/software-updates/1128): > > If you purchased your BlueROV2 after June 2017, you do not need to do this software update! We’ve got a big round of updates! To start, ArduSub V3.5 has been released and is the now the current stable version of ArduSub. You can see the release notes for ArduSub [here](https://raw.githubusercontent.com/ArduPilot/ardupilot/master/ArduSub/ReleaseNotes.txt). QGroundControl has seen many updates since 3.1.3 (no more calibrating joysticks in reverse!), and we are now recommending an updated build for use with ArduSub (required for use with ArduSub v3.5 and up). This version of QGC has … //Niklas, Sweden --- _[View the full topic](https://discuss.bluerobotics.com/t/cant-connect-to-vehicle/11638)._