从 13.10 升级到 14.04 后无法连接到家庭无线，但仍然可以连接到我的手机热点吗？

Question

自从升级到 14.04 后，我就无法再连接到家里的无线网络了，不过我的其他设备仍然可以正常连接。有问题的电脑仍然可以看到所有可用的无线 SSID，我仍然可以连接到我的手机热点。这里有一些详细信息，如果我能提供其他有用的信息，请告诉我！

[valley][assignment5]>lspci
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)  
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)  
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)  
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)  
00:16.3 Serial controller: Intel Corporation 7 Series/C210 Series Chipset Family KT Controller (rev 04)  
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)  
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)  
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)  
00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)  
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)  
00:1f.0 ISA bridge: Intel Corporation QS77 Express Chipset LPC Controller (rev 04)  
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)  
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)  
02:00.0 System peripheral: Ricoh Co Ltd MMC/SD Host Controller (rev 07)  
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 96)  
[valley][assignment5]>sudo lshw -c network
  *-network                 
       description: Wireless interface  
       product: Centrino Advanced-N 6205 [Taylor Peak]  
       vendor: Intel Corporation  
       physical id: 0  
       bus info: pci@0000:03:00.0  
       logical name: wlan0  
       version: 96  
       serial: 84:3a:4b:0c:80:48  
       width: 64 bits  
       clock: 33MHz  
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless  
       configuration: broadcast=yes driver=iwlwifi driverversion=3.13.0-24-generic firmware=18.168.6.1 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn  
       resources: irq:45 memory:f0c00000-f0c01fff  
  *-network:0 DISABLED  
       description: Ethernet interface  
       physical id: 2  
       logical name: wwan0  
       serial: ce:c4:e9:85:40:36  
       capabilities: ethernet physical  
       configuration: broadcast=yes driver=cdc_mbim driverversion=22-Aug-2005 firmware=CDC MBIM link=no multicast=yes  
  *-network:1  
       description: Ethernet interface  
       physical id: 3  
       logical name: eth0  
       serial: 00:b5:6d:00:21:cd  
       size: 100Mbit/s  
       capacity: 100Mbit/s  
       capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation  
       configuration: autonegotiation=on broadcast=yes driver=asix driverversion=22-Dec-2011 duplex=full firmware=ASIX AX88772 USB 2.0 Ethernet ip=10.1.1.17 link=yes multicast=yes port=MII speed=100Mbit/s  

编辑：已修复！抱歉，是我的路由器设置不正确，只是偶然，之前看起来它还能正常工作，因为我的一些设备也能正常工作，但我发现另一个设备不能正常工作，这有助于隔离问题！