나는 다음과 같은 무선 LAN 인터페이스 세부 사항을 갖춘 HP 제품을 사용하고 있습니다.
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
라우터 바로 옆에 앉아 있으면 Wi-Fi에 두 개의 신호만 표시됩니다. 도와주세요...
답변1
어쩌면 Wi-Fi가 절전 모드로 설정되어 있을까요?
power.d > Wi-Fi를 절전 없음으로 설정합니다.
iwconfig wlan0 power off
이것 좀 봐: https://help.ubuntu.com/community/PowerManagement/ReducedPower
다른 옵션 - 드라이버 문제:
이것 좀 봐: Asus X550L 약한 Wi-Fi 신호 우분투 14.04