On Sat 11 Dec 2021 at 12:13:23 (+0000), Andrew M.A. Cater wrote: > On Sat, Dec 11, 2021 at 05:33:05AM +0000, Long Wind wrote: > > buster installer can configure my usb wifi adapter without non-freeware > > it works well after installation, i install many packages by wifi > > i shutdown and power disconnect from pc > > then power return and i boot buster, > > buster can't recognize wifi adapter, though i try many usb ports > > i install firmware-misc-nonfree, wifi adapter works now > > > > i bet bullseye has same problem > > 1. Which Wifi adapter? - lusb may tell you. This is important: because > one works without firmware, it doesn't mean they all will. Firmware is > specific to chipset from the manufacturer.
Ralink MT7601U Wireless Adapter type: USB driver: mt7601u according to: https://lists.debian.org/debian-user/2021/02/msg00286.html > 2. How are you bringing up the interface for the Wifi adapter to connect? > > 3. Is the Wifi adapter permanently plugged in or are you removing it and > replugging it. > > If you can give clear answers - it is especially helpful if you can > show approaches you have tried / commands you have run / logs - we > can help you better. I don't know whether the problem is firmware, or a regression in the kernel, or what. Googling led to: https://github.com/kuba-moo/mt7601u/issues/64#issuecomment-352250127 but I could probably only make sense of this page if I were in posession of the item. Cheers, David.
