Some details on the connection with Direct USB.
I don't need to use this software to fix my dashcam because it was properly updated.
OS: Windows 7 pro x64.
General details:
In order to boot in "development mode" press right arrow and connect the USB cable,
blue light will be on. Dashcam displays nothing.
If you want to remove the drivers for the development board. In computer management check the following lines
Right click on it and select uninstall and delete all the drivers
Now, if you disconnect the dashcam and reconnect it again, you'll get
If you disconnect your device and you want to boot as USB device it will not work because the "the development" is activated on this device. In order to reactivate the USB functionality, with the device disconnected
-press this time power button and connect the USB cable (count to ten),
-wait, you can see in device manager that the above "Unknown device" will disappear (windows will install the necessary USB drivers)
-disconnect the device and reconnect it again. This time in device manager it will appear as:
and the lights will be
blue-red (or red after a while if you don't have the card inserted ). Dashcam screen displays the message "USB connecting".
If you have a microSD card inserted, a "safely remove" button will be in the traybar next the clock
. If you don't have any microSD inserted then no "safely remove" will be in the tray bar.
Connecting DirectUSB:
First install DirectUSB; don't forget to allow unsigned drivers
Pressing right arrow, and connecting the USB cable, the diver for the development board is installed. Check this in computer management.
Starting DirectUSB and selecting a wrong board "A7bub or A7evk" after pressing "connect", it says FAIL
Selecting another board, says "0 device found"
Disconnecting the USB cable and reconnecting the dashcam by pressing the right button again doesn't help, the device doesn't boot and is no more recognized by Windows.
In Computer Management it appears as
The device is stuck with only blue light.
In order to fix the problem: remove the cable, press power button and put back the cable (count to ten) and then remove the USB cable.
Boot in development mode, by pressing right arrow button and connect the USB cable. Having selected the right board (
A7lxxx), everything works:
In this example I used a fully functional device; I don't know the status of your dashcam (it may not work as described above)