Please make sure that the Verifone USB Driver is installed.
Whenthe device is connected via USB, it shouldshow up
as "VX Gen 3 Terminal (COM9)" in the Windows Device Manager. If
that is not the case, please refer to
this
article.
Reproduce the problem, then immediately enter Bootloader/OS
mode on the Terminal by pressing "Enter + 7", then entering the
bootloader password. The bootloader password is different from the
engineering menu password.
Connect the reader via USB to the PC that will capture the
logs
On the capturing PC, open up Putty (
https://www.putty.org/)
Connect to the Device using Serial Connection (COM9, 115200
Rate)
Configure Putty to log all communication into a file (Session
> Logging)
On the device, initiate log dumping by pressing "Clear +
4"
Wait while logs are being dumped
Restartthe device