Rancher
lvl.3
Flight distance : 56824 ft
United States
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Hi guys,
So, I figured to post some notes for those, like me, that ran into problems with their batteries as well as the DJI Assistant.
Background: I bought my first drone, a DJI Mavic Pro like... 5 days ago. I have zero experience in drones, much less DJI, so "flying blind" here.. heh It came with 3 batteries, a controller, and the drone, plus a nice pelican case.. few small things, you get the idea.
I took it outside and started seeing what it could do after reading the manual. Okay, I read it, but do we really "read it" when we are trying to look at it, play with it.. etc? No. I did not retain as much as I would like, but I really gained a LOT from it and this site.
So, everything ran great, the DJI app on my iPhone crashed a lot, but the drone itself did not and I had more fun with Litchi anyway as it was safer for right now.
So, day 2.5, and battery number 3 gives me an error on the controller. Now, I did not look at the light codes, just the error on the controller....I am new to this.
I came here, researched a little and.. I set it on a shelf in the drone and let it "drain" then recharged it.. same issue.
This had worked well for 2 days, it had been used. I was not doing an update, I was not doing crazy stuff, but... who knows.
So, I already ordered a new battery, but people kept saying to get the flight log or refresh the firmware. I could not do anything because, problem #2....I could not get DJI Assistant going and, in hindsight, I was not aware how cool or what DJI Assistant was. The CAPTCHA would not load on the program. Check out the CAPTCHA screen shot below.
So, could not get into the assistant to fix a battery that had errors, Something someone said made me wonder if it was related to the network drivers. While I got no error messages on the PC.. I delved into the event logs in Windows and found the errors below with my Bigfoot network drivers.
I was able to make a NEW account and log in, because THAT did not require a CAPTCHA, evidently.
Now, the CAPTCHA authentication was not generated by me...so, perhaps the two were related. I googled a few things and found other Dell / Alienware PCs with Bigfoot drivers were also experiencing an error in applications using similar aspects as below.
So, I installed the assistant on my laptop and the captcha appeared and I was able to log into the application.
Now comes the possible fix for the battery. The battery must be fully charged and in the Drone/Mavic so the Assistant locates the Drone. Then REFRESH the Mavic firmware.
Once that was done, took a while, the battery no longer had an issue.
So, summary:
The DJI Assistant drivers have to "bind" to the network card drivers. Since there are some (looks to be) Chinese drivers, the PC may detect them as a threat and not properly bind to the device. If this happens, and you see similar error messages in the Windows event viewer relating to your network card drivers (do a search for root.exe) then updating the network driver, uninstalling the DJI Assistant, getting a different network card... all of these may be possibilities.
DJI's app works fine, but appears to have a common issue with the Bigfoot networks adapter driver, and may also have issues with other network card drivers. . This is what shows up in the event log:
"Faulting application name: Root.exe, version: 1.0.0.1, time stamp: 0x59af6c7e
Faulting module name: BfLLR.dll, version: 6.0.0.23, time stamp: 0x4dd44c2e
Exception code: 0xc0000409
Fault offset: 0x0000b84b
Faulting process id: 0x2dcc
Faulting application start time: 0x01d37a80ee46da90
Faulting application path: C:\Program Files (x86)\DJI Product\DJI Assistant 2\Assistant\Root.exe
Faulting module path: C:\Windows\system32\BfLLR.dll
Report Id: 2e09649b-e674-11e7-a1d4-c5f441220b41"
Looking this up, it is causing random issues with a lot of apps.
AGAIN: This is NOT really a "DJI" error. No App can account for every device, but hopefully it is a place to look and people may not beat their heads against the wall uninstalling and reinstalling etc.
Might even be nice to have a list of compatible network cards? Eh.. not a huge deal, I think Intel is a safe bet.. heh
Since I do not have one of these on my other system, DJIA2 worked fine.
So, while DJIA2 may not work with other network cards either (very well)... the CAPTCHA not showing up can be directly tied to the network interface.
If you have the error, you can try the uninstall/reinstall thing and if it does not work, look in your event log for a similar issue.
I will install a new network card after the holiday to see if this "fixes" "my pc not being able to run DJIA2".
Bigfoot, for the model I have, does not have an update, but not a huge deal.
Hope this helps a little!
I am fully functional now and ready to fly!
Russ
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