联想g510at网卡驱动问题

[xferx]

没有无线网卡驱动
我应该在哪里下载，并且如何在Linux上安装？
多谢！
Linux xfer-Lenovo-G510 3.16.0-23-generic #31-Ubuntu SMP Tue Oct 21 18:00:35 UTC 2014 i686 i686 i686 GNU/Linux
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05)
00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5)
00:1c.1 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #2 (rev d5)
00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 (rev d5)
00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM86 Express LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05)
00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05)
01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Jet PRO [Radeon R5 M230] (rev ff)
08:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
09:00.0 Ethernet controller: Qualcomm Atheros QCA8172 Fast Ethernet (rev 10)

*-network
description: Network controller
product: BCM43142 802.11b/g/n
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:08:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=bcma-pci-bridge latency=0
resources: irq:17 memory:b9500000-b9507fff
*-network
description: Ethernet interface
product: QCA8172 Fast Ethernet
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:09:00.0
logical name: eth0
version: 10
serial: f0:76:1c:10:e9:34
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.1.9 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:48 memory:b9400000-b943ffff ioport:3000(size=128)

[poloshiao]

product: BCM43142 802.11b/g/n
configuration: driver=bcma-pci-bridge latency=0

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