Hi
I'm really new to this, forgive me it's a stupid question. I'm using the nRF52 DK from Nordic.
I started with the "Developing with SEGGER Embedded Studio", but when I tried to "connect to JLink" under "target" menu, it shows like that 
In Device Manager 
and here's the 
Any help would be appreciated.
Thanks,
Cindy
In Device Manager
It's not the COM port that matters here - it's the J-Link driver:
Although it's odd that one should be present but not the other!
weirdly, it dose work after I reinstalled the same version
You do seem to get an awful lot of pop-ups during the installation asking to install many different drivers - it can look like it's asking you the same thing over & over!
Maybe you accidentally clicked 'cancel' instead of 'ok' on one of them?
Or just missed one of them ...
Anyhow - good that it's working now!
Please verify the answer:
In Device Manager
It's not the COM port that matters here - it's the J-Link driver:
Although it's odd that one should be present but not the other!
weirdly, it dose work after I reinstalled the same version
You do seem to get an awful lot of pop-ups during the installation asking to install many different drivers - it can look like it's asking you the same thing over & over!
Maybe you accidentally clicked 'cancel' instead of 'ok' on one of them?
Or just missed one of them ...
Anyhow - good that it's working now!
Please verify the answer:
