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Disappeared flight..!!??? No flight record, no images!!
538 4 2024-7-10
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Fred F
lvl.4
Flight distance : 4676457 ft
Australia
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Wondered what did I do wrong...had a flight yesterday, about 10 mins.

Later at night found there were no videos or any images, which I was sure quite a few were taken.  Ok, the checked the RC, not only there were no video cached, there was no flight record at all since the previous last flight a day ago!!!

It seems the entire flight never happened... and I have someone watching the flight and talking about the compositions of the videos and images taken during the flight. So, have I done anything wrong?!! What could it be ....

PS... I've used Mavic Pros for seven years extensively, and M4PS extensively in the last few months...not that I am in experienced!!   


DJI supoort, please help so the same thing won't happen anymore.


2024-7-10
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DJI Susan
Administrator
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Hello.You can refer to the following suggestions:
1. Confirm the storage location. Aircraft with internal storage can also install SD cards, so you need to confirm whether the storage location set by you is consistent with the location where you view the files. For example, if you set the storage location to internal storage and shoot a video, if you check the SD card, the video will not be found;
2. Aircraft without internal storage needs to be used with an SD card. If the SD card read and write speed is too low, it may cause video loss. It is recommended that you use an SD card from the recommended list on the DJI official website;
3. Confirm the way to view the files. It is recommended that you directly connect the aircraft to the computer and view all file folders.
4. Need to confirm whether you forgot to click the shooting button or accidentally deleted the files.
2024-7-10
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Fred F
lvl.4
Flight distance : 4676457 ft
Australia
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DJI Susan Posted at 7-10 23:48
Hello.You can refer to the following suggestions:
1. Confirm the storage location. Aircraft with internal storage can also install SD cards, so you need to confirm whether the storage location set by you is consistent with the location where you view the files. For example, if you set the storage location to internal storage and shoot a video, if you check the SD card, the video will not be found;
2. Aircraft without internal storage needs to be used with an SD card. If the SD card read and write speed is too low, it may cause video loss. It is recommended that you use an SD card from the recommended list on the DJI official website;

Hello.You can refer to the following suggestions:
1. Confirm the storage location. Aircraft with internal storage can also install SD cards, so you need to confirm whether the storage location set by you is consistent with the location where you view the files. For example, if you set the storage  to internal storage and shoot a video, if you check the SD card, the video will not be found;

The SD card storage was used, only 1/2 full. They are 32GB SANDISK Exrreme Pro, used for many many flights before.  The internal storage was  formated and fully available.  Yes I can confirm that I look for the files from the correct storage, as I am VERY experienced with M4P for many many months and flights, plus seven years of Mavic Pro (s).

2. Aircraft without internal storage needs to be used with an SD card. If the SD card read and write speed is too low, it may cause video loss. It is recommended that you use an SD card from the recommended list on the DJI official website;

YES, I fully understand that.
I think the most cruicial thing was, there were no Flt records on the RC2, I can see the early ones, so I don't think I looked at the wrong folder on the RC2.  That has nothing to do with the aircraft SD card, if I am not wrong.

BTW... The SAME thing happened to a flight on another M4P today, with a different RC2 unit and different everything.  Same type of SD card used, but different card for each drone. butThe first flight on this was good.  Then the next one two hours or so later, turned out to be a NON-EVENT.  I stragithtawayi did another flight after changing the battery, and it turned out to be good.  So the problem is random.  The battery were fully charged for all flights.

Both drones had been updated in the last week or so, and they were brand new only a few weeks ago, shipped from DJI USA service department.

The issue only happened since the last uipdate, RC2 as well as drone firmware.

Also, there appears to be another problem happening, after turning on the RC2, the screen turns black after "GO FLY", however, when I push the sticks to start the flght, the drone propeller would be turning.  The screen turns back on after I pushed the power button on the RC a couple time, then it appears with all aricraft's camera view and the other data fields.   Then I can fly.  It seems happened twice on the same RC2, I'll report more later if that happened again.



2024-7-11
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Serg SSA
Core User of DJI
Flight distance : 14496650 ft
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Russia
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Fred F Posted at 7-11 03:33
Hello.You can refer to the following suggestions:
1. Confirm the storage location. Aircraft with internal storage can also install SD cards, so you need to confirm whether the storage location set by you is consistent with the location where you view the files. For example, if you set the storage  to internal storage and shoot a video, if you check the SD card, the video will not be found;

The problem is simple, you turned off the drone without stopping the recording. Insert the memory card back into the drone, start the drone, start recording, stop recording. Lost files will be restored.
2024-7-11
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Fred F
lvl.4
Flight distance : 4676457 ft
Australia
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I have now found the problem , in both cases, there is a slight difference, however, it has mainly to do with the sudden change of the "DATE/TIME" setting in the RC, totally by itself.
The DATE / TIME change was to a much earlier date, so I was looking at the wrong date for the files when opening the SD cards.  I have now able to see all the files.

However, in one of the two cases I mentioned above the flight record was there, but none of the image/videos files had the same DATE/TIME, but the change in the DATE/TIME setting was not permant, so my subsequent recordings were found as per normal.   However the other RC2 did not revert back to the correct DATE/TIME, I have to manually change the setting.

During the flights, there were no internet connections to the RC2, so I can only conclude the change of the DATE/TIME is a software bug within the RC2.

That is something for DJI to fix. but from now on, I'll be on the lookout for my files with a wrong time stamp.

2024-7-12
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