Noah_Olson Author

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Hello, I have been trying to install WCH340 drivers on my computer, but every installation method nothing changes. I still keeps the same "**.serialport1420." I found the driver in the DisableSoftware in Systems Report. In there it is says com.wch.usbserial: No User Consent. However, there is no way I can give consent because it does not show up in the Security&Privacy section in System Preferences. Does anyone now how I can get these drivers to install?

MacBook Pro 15″, macOS 11.6

Posted on Apr 8, 2022 4:56 PM

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Level 10

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Apr 8, 2022 6:15 PM in response to Noah_Olson

You may have to disable SIP...

How to turn off System Integrity Protection on your Mac | iMore

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Level 10

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Apr 8, 2022 5:21 PM in response to Noah_Olson

Does it have an Installer? If so Right click on it & choose Open... any change?

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Noah_Olson Author

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Apr 8, 2022 5:43 PM in response to BDAqua

Yes, one of the methods did. I did the right click and gave permission to install, but still no difference.

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Level 10

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Apr 9, 2022 10:43 AM in response to Noah_Olson

Great news my friend, I do believe that now it'll be OK to reenable SIP.

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Noah_Olson Author

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Apr 8, 2022 9:40 PM in response to BDAqua

After disabling SIP it then asked for permissions in the Security&Privacy section and I now have the drivers!

Can I now enable SIP without messing up the new installed drivers? Thank you for our help!

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