Nie znaleziono adaptera Wi-Fi w Scientific Linux

Zainstalowałem Scientific Linux w moim Dell Inspiron 3543, ale adapterów Wi-Fi nie można znaleźć, gdy chcę się połączyć przez Wi-Fi. Jak mogę to rozwiązać?

Próbowałem tego:

lshw -class network
  *-network                 
       description: Network controller
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Limited
       physical id: 0
       bus info: pci@0000:06:00.0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=bcma-pci-bridge latency=0
       resources: irq:18 memory:aa100000-aa107fff
  *-network
       description: Ethernet interface
       product: RTL810xE PCI Express Fast Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:07:00.0
       logical name: p1p1
       version: 07
       serial: 74:e6:e2:4d:a4:0f
       size: 10Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:47 ioport:3000(size=256) memory:aa000000-aa000fff memory:c0000000-c0003fff
  *-network:0 DISABLED
       description: Ethernet interface
       physical id: 2
       logical name: virbr0-nic
       serial: 52:54:00:fb:a2:13
       size: 10Mbit/s
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=tun driverversion=1.6 duplex=full link=no multicast=yes port=twisted pair speed=10Mbit/s
  *-network:1
       description: Ethernet interface
       physical id: 3
       logical name: virbr0
       serial: 52:54:00:fb:a2:13
       capabilities: ethernet physical
       configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A ip=192.168.122.1 link=no multicast=yes
  *-network:2
       description: Ethernet interface
       physical id: 4
       bus info: usb@1:1.3
       logical name: enp0s29u1u3
       serial: da:e4:84:25:60:1b
       capabilities: ethernet physical
       configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.235 link=yes multicast=yes