lspci
05:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device c821
lspci -v -s 05:00.0
lspci -v -n -s 05:00.0
05:00.0 0280: 10ec:c821
Subsystem: 17aa:c024
Flags: fast devsel, IRQ 255
I/O ports at c000 [disabled] [size=256]
Memory at f1000000 (64-bit, non-prefetchable) [disabled] [size=64K]
Capabilities: <access denied>
Não consigo encontrar drivers de controladores de rede on-line. Por favor, ajude-me a corrigir esse problema.