On Mon, May 13, 2019 at 10:50:31PM +0800, qw wrote: > I use CentOS 7.4, And where to find wifi driver? I suggest you start by using the latest CentOS 7, 1810 (based on RHEL 7.6). Anything older isn't supported and most likely won't work with any 3rd-party kernel drivers. Also, which wifi driver do you want? There are many. Try looking at the output of 'lspci' to get hardware name. -- Jonathan Billings <billings at negate.org>