我的 HP 笔记本电脑上的 Wifi 无法使用。
我努力了
sudo systemctl restart network-manager.
它不起作用。
以下是一些命令的输出：
nishanthr@vision:~$ lspci -vvnn | grep -A 9 Network 02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723] DeviceName: WLAN Subsystem: Hewlett-Packard Company Device [103c:8319] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 130 Region 0: I/O ports at 3000 [size=256] Region 2: Memory at b1000000 (64-bit, non-prefetchable) [size=64K] Capabilities: <access denied>
` nishanthr@vision:~$ iwconfig
eno1 no wireless extensions.
wlo1 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:on
lo no wireless extensions. `
nishanthr@vision:~$ lshw -c network WARNING: you should run this program as super-user. *-network
description: Ethernet interface product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:01:00.0 logical name: eno1 version: 15 serial: 80:ce:62:10:82:02 size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.0.104 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:16 ioport:4000(size=256) memory:b1104000-b1104fff memory:b1100000-b1103fff *-network DISABLED description: Wireless interface product: Realtek Semiconductor Co., Ltd. vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:02:00.0 logical name: wlo1 version: 00 serial: b0:52:16:ba:f5:8f width: 64 bits clock: 33MHz capabilities: bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=rtl8723de driverversion=4.15.0-36-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11 resources: irq:130 ioport:3000(size=256) memory:b1000000-b100ffff WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
nishanthr@vision:~$ rfkill list all 0: hci0: Bluetooth Soft blocked: yes Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no
nishanthr@vision:~$ dmesg | grep rtl [ 28.873013] Bluetooth: hci0: rtl: examining hci_ver=08 hci_rev=000d lmp_ver=08 lmp_subver=8723 [ 28.873015] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723d_config.bin [ 29.090626] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723d_config.bin failed with error -2 [ 29.090639] Bluetooth: Necessary config file rtl_bt/rtl8723d_config.bin not found [ 29.090659] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723d_fw.bin [ 29.090682] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723d_fw.bin failed with error -2 [ 29.090683] Bluetooth: hci0: Failed to load rtl_bt/rtl8723d_fw.bin [ 29.091999] Bluetooth: hci0: rtl: examining hci_ver=08 hci_rev=000d lmp_ver=08 lmp_subver=8723 [ 29.092010] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723d_config.bin [ 29.092016] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723d_config.bin failed with error -2 [ 29.092017] Bluetooth: Necessary config file rtl_bt/rtl8723d_config.bin not found [ 29.092019] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723d_fw.bin [ 29.092024] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723d_fw.bin failed with error -2 [ 29.092025] Bluetooth: hci0: Failed to load rtl_bt/rtl8723d_fw.bin [ 30.571336] rtlwifi: loading out-of-tree module taints kernel. [ 30.571375] rtlwifi: module verification failed: signature and/or required key missing - tainting kernel [ 31.228154] rtl8723de: Using firmware rtlwifi/rtl8723defw.bin [ 31.270566] rtl8723de 0000:02:00.0: Direct firmware load for rtlwifi/rtl8723defw.bin failed with error -2 [ 31.270567] rtlwifi: Selected firmware is not available [ 31.295167] ieee80211 phy0: Selected rate control algorithm 'rtl_rc' [ 31.295363] rtlwifi: rtlwifi: wireless switch is on [ 31.512571] rtl8723de 0000:02:00.0 wlo1: renamed from wlan0
如果有人能帮忙就太好了。谢谢。
答案1
您缺少 wifi 设备的固件，要解决此问题，请在终端中执行
cd /lib/firmware/rtlwifi
sudo wget https://github.com/lwfinger/rtlwifi_new/raw/extended/firmware/rtlwifi/rtl8723defw.bin然后重启