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也许你的 wifi 设置为省电了？

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也许你的 wifi 设置为省电了？

我正在使用带有无线局域网接口的 HP 产品，详细信息如下-

sudo lshw -c network
  *-network               
       description: Wireless interface
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:08:00.0
       logical name: wlan0
       version: 01
       serial: 14:2d:27:d2:94:0f
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=6.30.223.141 (r415941) ip=192.168.1.34 latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:18 memory:b5500000-b5507fff
  *-network
       description: Ethernet interface
       product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:09:00.0
       logical name: eth0
       version: 08
       serial: 6c:c2:17:5e:0b:a4
       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-2_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:58 ioport:4000(size=256) memory:b5404000-b5404fff memory:b5400000-b5403fff

当我坐在路由器旁边时，我的 wifi 上也只显示两个信号。请帮帮我...

答案1

也许你的 wifi 设置为省电了？

power.d > 将 wifi 设置为不省电。

iwconfig wlan0 power off

看一下这个： https://help.ubuntu.com/community/PowerManagement/ReducedPower

另一种选择——驱动程序问题：

看一下这个： Asus X550L Wifi 信号弱 ubuntu 14.04

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