after the error of uploading, the device after pressing a combination of keys is not detected in windows, it is not detectable at all, but the windmill is spinning. 10 succeeded, 5 did not … and these 5 m did not work, the same error jumped when trying to upload MATE 4.9.
how to fix it? 90% of links in this forum leading to repair or installation of others like usb do not work …
after long time, FOUND SOLUTION!!!
PUT POWER USB-C and >>> image 
connect the power and short 2 pads, only carefully, then VIM will be detected correctly. without SD 
If it does not detect it, let somebody help you, disconnect the power supply, connect the 2 pads and connect the power supply. must detect.
Do not forget select ERASE FORCE ALL!
I found the TF card is inserted in. If u-boot is available in TF card, you will boot from it when you short-circuit the MRegister, so you had better to remove the TF card in order to boot into MASKROM mode successfully.
