Sensors not working at all

[Ridahsmavic]

Hi, I've just bought a second hand Mavic pro and it seems everything is working except the front and downward sensors. I have tried to do a calibration but cannot get to the start as I get asked to reboot the aircraft over and over. I have also noticed the downward sensor seems to have a brown smudge over it. Is there any help or advice on how to go about sorting this problem.

 

[lannes]

Have you turned on all the sensor functions in the DJI Go4 app ?
Also sensors don't work if there is not enough light, could this be your issue ?

See advanced sensor settings

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During what part of the calibration process does it ask you to reboot the drone ?

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[Ridahsmavic]

When I go into the calibration tab and push next, it tells me to reboot the aircraft , after I do that the message just re-appears and the calibration tab stays grey.

 

[Ridahsmavic]

I don't even get to start the calibration.

 

[Ridahsmavic]

I cannot go past this point

 

[lannes]

View attachment 106151

I cannot go past this point

You could try re-installing the driver, but if you can do a firmware upgrade there is nothing wrong with the driver.


1. Go into Windows device manager. I get there from the start menu by doing a right click on computer, then properties, then click device manager.
2. Turn your aircraft on with the USB plugged into the side of it (DO NOT plug into your computer yet.)
3. Make sure the device manager window is visible.
4. Plug the other end of the USB cable into your laptop or computer while watching the device manager window. You will see a new device pop up that is your Mavic. It does not say Mavic, but something else.
5. Click the side arrow to expand it down and you will not see the actual device of the driver you need to update.
6. Right click on that device and choose "Update Driver Software"
7. Choose "Browse my computer for driver software"
8. Enter in the following location "C:\Program Files (x86)\DJI Product\DJI Assistant 2"
9. Click Next

 

[Ridahsmavic]

Hi, I have gone through the steps and the drivers are the latest, so I am still sitting in the same position.

 

[lannes]

Hi, I have gone through the steps and the drivers are the latest, so I am still sitting in the same position.

Is it on the latest firmware ?

You could try "disabling driver signature enforcement"