Unable to change DNS

Anyone can help me? i’m on AR-750

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When you turn on “DNS over TLS from Cloudflare”, you cannot change DNS manually. It is exclusive.

yes i know, but i can’t turn off cloudflare toggle
all grey toggle are untouchable

ps this happens after i joke with adguard home and dhcp file, but now i replace the original by umounting my extroot partition

There must be something wrong. As "Cloudflare "and “Manual DNS” cannot be turnned on at the same time. So it is impossible that they both grayed out.

If you cannot maybe you need to reset your firmware. Now sure why.

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looks like he might have lost connectivity to the web page and at some point it encountered a web error. .
what firmware vesion for ar750?

is it still stuck in that state after rebooting?

(sometimes even the smallest inconspicuous error leads bach to large unknown one)

i’m on 3.104
no problem for weeks until i installed adguard and played bad with dnsmasq and DNS port
now restored my backup and solved

Maybe you messed up the settngs with adguard. There a a lot of issues to solve related to DNS.