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By syuna0996
Where can I find CH340G? I downloaded it from the link you give but it's only CH341. And it told me that the driver is successfully installed in advance but I still can't find it on Device Manager. It is also unavailable on Arduino IDE.
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By TS-Russell
Did you do the 'uninstall' step? It looks like the 341 version covers the CH340G, so it should work...but the error happening @ installation time indicates something else might be going on (need to uninstall previous drivers, admin privileges, etc....)

I'd probably try contacting NodeMCU themselves...their site says the NodeMCU has a USB-TTL chip and should be plug-and-play?
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