我有一台戴尔 3721，它原厂配备 Windows 8。我设法在这台笔记本电脑上安装了 ubuntu 12.10，尽管没有现成的驱动程序。使用 12.10 时，我不得不多次安装这个 .deb 包。安装后，几个星期都没问题，直到我不得不再次安装它。也许一些安全更新破坏了某些东西，所以必须再次安装它……
我的问题是，这个软件包不再适用于 ubuntu 13.04。所以我现在无法使用 Wifi。而且我的显示器几乎是暗的，我无法使用 ubuntu 13.04 更改亮度级别。希望您能给我一些建议。
Dell:~$ sudo lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04)
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
00:1c.1 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 [8086:1e12] (rev c4)
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation HM76 Express Chipset LPC Controller [8086:1e59] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 05)
02:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
@Dell:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0a5c:21d7 Broadcom Corp.
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 0c45:64ad Microdia
@Dell:~$ lspci -nn | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
@Dell:~$ sudo lshw -class network
*-network
Beschreibung: Ethernet interface
Produkt: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
Hersteller: Realtek Semiconductor Co., Ltd.
Physische ID: 0
Bus-Informationen: pci@0000:01:00.0
Logischer Name: eth0
Version: 05
Seriennummer: xx:xx:xx:xx:xx:xx
Größe: 100Mbit/s
Kapazität: 100Mbit/s
Breite: 64 bits
Takt: 33MHz
Fähigkeiten: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
Konfiguration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8105e-1.fw ip=192.168.2.103 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
Ressourcen: irq:42 ioport:2000(Größe=256) memory:c0404000-c0404fff memory:c0400000-c0403fff
*-network UNGEFORDERT
Beschreibung: Network controller
Produkt: BCM43142 802.11b/g/n
Hersteller: Broadcom Corporation
Physische ID: 0
Bus-Informationen: pci@0000:02:00.0
Version: 01
Breite: 64 bits
Takt: 33MHz
Fähigkeiten: pm msi pciexpress bus_master cap_list
Konfiguration: latency=0
Ressourcen: memory:c0500000-c0507fff
答案1
请尝试：
sudo apt-get install linux-headers-generic
sudo apt-get install bcmwl-kernel-source
sudo modprobe wl
iwconfig
在 13.04 中，您的设备 14e4:4365 应该被 STA 驱动程序覆盖，尽管到目前为止确认还很少。