Cyanogen mod 12.1: "USB is now disconnected"

Whychange

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Nov 4, 2016
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Hi to everyone, I'm having bad time finding a solution to my problem, but for now nothing helped me.

I've CM 12.1 installed on my Note 3. Since I installed it to my phone, I've never be able to connect my phone to the computer.
When I click on settings-->storage-->usb computer connection, it says:

"USB is now disconnected".

This doesn't allow me to set the usb connection, and so my pc doesn't recognize my phone.

On my pc, it says: "Unknown device, code 43" (looks like it doesn't have drivers).

I've tried everything:
1) different cable, pc, usb connected directly to main board;
2) reboot phone;
3) all the steps about enabling and disabling developer option.

But, apparently, nothing changed.

I want to solve this situation becasue I need to install stock firmware now.

Another problem is that I've tryed to install twrp recovery (using flashify), but this made my phone go in recovery bootloop, and so now, It seems I can't access no custom recovery.

If there is no solution to the problem above, at least help me to install the right twrp recovery (if compatible with cyanogen mod 12.1), so I can try a stock firmware flashing using it.

Thanks for answering, hope someone can help me.

Note: I've installed 12.1-20151120-NIGHTLY-hlte version, and, if I search update it says that there are some updates, but I cannot upgrade my system.
 
Welcome to the forums. To clarify, you got the other ROM installed?
 
Use Odin and flash twrp with phone in download mode . Then install a stock based on it eg dark lords 6.0.1 marshmellow it's very good rom
 

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