我正在使用帶有無線區域網路介面的 HP 產品，詳細資訊如下 -
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
當我坐在路由器旁邊時，我的 WiFi 上也只顯示兩個訊號。請幫我...
答案1
也許您的 wifi 設定為省電模式？
power.d > 將 wifi 設定為不省電。
iwconfig wlan0 power off
看一下這個： https://help.ubuntu.com/community/PowerManagement/ReducedPower