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E.First, install CH340 Driver. In the LaserGRBL software, click "Tools">"install CH340 Driver" to install the driver, and restart the computer
after installation to connect.
F.Click on the lightning connection logo in the software. When the lightning logo changes to a red X, the connection is success.
G. The computer and engraving machine chain machine failure, need to update the drive, the method is as follows
In LaserGRBL, click "Tools" > in turn.Linstall CH340 Driver "Update and install the Driver, restart the computer after the
update, and then connect, as shown in the picture below.
Installation
Connect the engraving machine
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