我的 WIFI 出了什么问题？
Packard Bell easynote TK85 Ubuntu 14.04.5 LTS
我有一个可以打开/关闭 WiFi 的按钮。我经常使用它来节省电池电量。但这次它没有重新打开 WiFi。请帮我让它重新工作。
结果：
sudo lshw-类网络
alias symbol:vxlan_get_rx_port vxlan
alias symbol:w1_add_master_device wire
alias symbol:w1_calc_crc8 wire
alias symbol:w1_ds2760_read w1_ds2760
alias symbol:w1_ds2760_recall_eeprom w1_ds2760
alias symbol:w1_ds2760_store_eeprom w1_ds2760
alias symbol:w1_ds2760_write w1_ds2760
alias symbol:w1_ds2780_eeprom_cmd w1_ds2780
alias symbol:w1_ds2780_io w1_ds2780
alias symbol:w1_ds2781_eeprom_cmd w1_ds2781
alias symbol:w1_ds2781_io w1_ds2781
alias symbol:w1_next_pullup wire
alias symbol:w1_read_8 wire
alias symbol:w1_read_block wire
alias symbol:w1_register_family wire
alias symbol:w1_remove_master_device wire
alias symbol:w1_reset_bus wire
alias symbol:w1_reset_resume_command wire
alias symbol:w1_reset_select_slave wire
alias symbol:w1_touch_block wire
alias symbol:w1_unregister_family wire
alias symbol:w1_write_8 wire
alias symbol:w1_write_block wire
alias symbol:wa_create wusb_wa
alias symbol:wa_dti_start wusb_wa
alias symbol:wa_process_errored_transfers_run wusb_wa
alias symbol:wa_urb_dequeue wusb_wa
alias symbol:wa_urb_enqueue wusb_wa
alias symbol:wa_urb_enqueue_run wusb_wa
alias symbol:wdev_to_ieee80211_vif mac80211
alias symbol:whci_wait_for whci
alias symbol:wimax_dev_add wimax
alias symbol:wimax_dev_init wimax
alias symbol:wimax_dev_rm wimax
alias symbol:wimax_msg wimax
alias symbol:wimax_msg_alloc wimax
alias symbol:wimax_msg_data wimax
alias symbol:wimax_msg_data_len wimax
alias symbol:wimax_msg_len wimax
alias symbol:wimax_msg_send wimax
alias symbol:wimax_report_rfkill_hw wimax
alias symbol:wimax_report_rfkill_sw wimax
alias symbol:wimax_reset wimax
alias symbol:wimax_rfkill wimax
alias symbol:wimax_state_change wimax
alias symbol:wimax_state_get wimax
alias symbol:wiphy_apply_custom_regulatory cfg80211
alias symbol:wiphy_free cfg80211
alias symbol:wiphy_new_nm cfg80211
alias symbol:wiphy_register cfg80211
alias symbol:wiphy_rfkill_set_hw_state cfg80211
alias symbol:wiphy_rfkill_start_polling cfg80211
alias symbol:wiphy_rfkill_stop_polling cfg80211
alias symbol:wiphy_to_ieee80211_hw mac80211
alias symbol:wiphy_unregister cfg80211
alias symbol:wl1251_alloc_hw wl1251
alias symbol:wl1251_free_hw wl1251
alias symbol:wl1251_init_ieee80211 wl1251
alias symbol:wl1271_acx_init_mem_config wlcore
alias symbol:wl1271_acx_pm_config wlcore
alias symbol:wl1271_acx_set_ht_capabilities wlcore
alias symbol:wl1271_acx_sleep_auth wlcore
alias symbol:wl1271_cmd_configure wlcore
alias symbol:wl1271_cmd_data_path wlcore
alias symbol:wl1271_cmd_send wlcore
alias symbol:wl1271_cmd_test wlcore
alias symbol:wl1271_debugfs_update_stats wlcore
alias symbol:wl1271_format_buffer wlcore
alias symbol:wl1271_free_tx_id wlcore
alias symbol:wl1271_ps_elp_sleep wlcore
alias symbol:wl1271_ps_elp_wakeup wlcore
alias symbol:wl1271_tx_flush wlcore
alias symbol:wl1271_tx_min_rate_get wlcore
alias symbol:wl12xx_acx_mem_cfg wlcore
alias symbol:wl12xx_cmd_build_probe_req wlcore
alias symbol:wl12xx_debug_level wlcore
alias symbol:wl12xx_is_dummy_packet wlcore
alias symbol:wlcore_alloc_hw wlcore
alias symbol:wlcore_boot_run_firmware wlcore
alias symbol:wlcore_boot_upload_firmware wlcore
alias symbol:wlcore_boot_upload_nvs wlcore
alias symbol:wlcore_calc_packet_alignment wlcore
alias symbol:wlcore_cmd_generic_cfg wlcore
alias symbol:wlcore_cmd_wait_for_event_or_timeout wlcore
alias symbol:wlcore_disable_interrupts wlcore
alias symbol:wlcore_disable_interrupts_nosync wlcore
alias symbol:wlcore_enable_interrupts wlcore
alias symbol:wlcore_event_ba_rx_constraint wlcore
alias symbol:wlcore_event_beacon_loss wlcore
alias symbol:wlcore_event_channel_switch wlcore
alias symbol:wlcore_event_dummy_packet wlcore
alias symbol:wlcore_event_inactive_sta wlcore
alias symbol:wlcore_event_max_tx_failure wlcore
alias symbol:wlcore_event_roc_complete wlcore
alias symbol:wlcore_event_rssi_trigger wlcore
alias symbol:wlcore_event_sched_scan_completed wlcore
alias symbol:wlcore_event_soft_gemini_sense wlcore
alias symbol:wlcore_free_hw wlcore
alias symbol:wlcore_get_native_channel_type wlcore
alias symbol:wlcore_probe wlcore
alias symbol:wlcore_remove wlcore
alias symbol:wlcore_scan_sched_scan_results wlcore
alias symbol:wlcore_scan_sched_scan_ssid_list wlcore
alias symbol:wlcore_set_key wlcore
alias symbol:wlcore_set_partition wlcore
alias symbol:wlcore_set_scan_chan_params wlcore
alias symbol:wlcore_synchronize_interrupts wlcore
alias symbol:wlcore_translate_addr wlcore
alias symbol:wlcore_tx_complete wlcore
alias symbol:wm1811_regmap_config wm8994_regmap
alias symbol:wm8350_dcdc25_set_mode wm8350_regulator
alias symbol:wm8350_dcdc_set_slot wm8350_regulator
alias symbol:wm8350_isink_set_flash wm8350_regulator
alias symbol:wm8350_ldo_set_slot wm8350_regulator
alias symbol:wm8350_register_led wm8350_regulator
alias symbol:wm8350_register_regulator wm8350_regulator
alias symbol:wm8400_register_regulator wm8400_regulator
alias symbol:wm8804_pm snd_soc_wm8804
alias symbol:wm8804_probe snd_soc_wm8804
alias symbol:wm8804_regmap_config snd_soc_wm8804
alias symbol:wm8804_remove snd_soc_wm8804
alias symbol:wm8903_mic_detect snd_soc_wm8903
alias symbol:wm8958_regmap_config wm8994_regmap
alias symbol:wm8962_mic_detect snd_soc_wm8962
alias symbol:wm8994_base_regmap_config wm8994_regmap
alias symbol:wm8994_irq_exit wm8994_irq
alias symbol:wm8994_irq_init wm8994_irq
alias symbol:wm8994_regmap_config wm8994_regmap
alias symbol:wm9705_codec wm97xx_ts
alias symbol:wm9712_codec wm97xx_ts
alias symbol:wm9713_codec wm97xx_ts
alias symbol:wm97xx_config_gpio wm97xx_ts
alias symbol:wm97xx_get_gpio wm97xx_ts
alias symbol:wm97xx_read_aux_adc wm97xx_ts
alias symbol:wm97xx_reg_read wm97xx_ts
alias symbol:wm97xx_reg_write wm97xx_ts
alias symbol:wm97xx_register_mach_ops wm97xx_ts
alias symbol:wm97xx_set_gpio wm97xx_ts
alias symbol:wm97xx_set_suspend_mode wm97xx_ts
alias symbol:wm97xx_unregister_mach_ops wm97xx_ts
alias symbol:wmi_evaluate_method wmi
alias symbol:wmi_get_event_data wmi
alias symbol:wmi_has_guid wmi
alias symbol:wmi_install_notify_handler wmi
alias symbol:wmi_query_block wmi
alias symbol:wmi_remove_notify_handler wmi
alias symbol:wmi_set_block wmi
alias symbol:wpan_phy_find ieee802154
alias symbol:wpan_phy_for_each ieee802154
alias symbol:wpan_phy_free ieee802154
alias symbol:wpan_phy_new ieee802154
alias symbol:wpan_phy_register ieee802154
alias symbol:wpan_phy_unregister ieee802154
alias symbol:write_bytes_to_xdr_buf sunrpc
alias symbol:write_dst dst
alias symbol:wusb_cluster_id_get wusbcore
alias symbol:wusb_cluster_id_put wusbcore
alias symbol:wusb_dev_destroy wusbcore
alias symbol:wusb_et_name wusbcore
alias symbol:wusbd wusbcore
alias symbol:wusbhc_b_create wusbcore
alias symbol:wusbhc_b_destroy wusbcore
alias symbol:wusbhc_chid_set wusbcore
alias symbol:wusbhc_create wusbcore
alias symbol:wusbhc_destroy wusbcore
alias symbol:wusbhc_giveback_urb wusbcore
alias symbol:wusbhc_handle_dn wusbcore
alias symbol:wusbhc_mmcie_rm wusbcore
alias symbol:wusbhc_mmcie_set wusbcore
alias symbol:wusbhc_reset_all wusbcore
alias symbol:wusbhc_rh_control wusbcore
alias symbol:wusbhc_rh_start_port_reset wusbcore
alias symbol:wusbhc_rh_status_data wusbcore
alias symbol:x86_emulate_instruction kvm
alias symbol:x86_set_memory_region kvm
alias symbol:xc2028_attach tuner_xc2028
alias symbol:xc4000_attach xc4000
alias symbol:xc5000_attach xc5000
alias symbol:xdr_buf_from_iov sunrpc
alias symbol:xdr_buf_read_netobj sunrpc
alias symbol:xdr_buf_subsegment sunrpc
alias symbol:xdr_buf_trim sunrpc
alias symbol:xdr_commit_encode sunrpc
alias symbol:xdr_decode_array2 sunrpc
alias symbol:xdr_decode_netobj sunrpc
alias symbol:xdr_decode_string_inplace sunrpc
alias symbol:xdr_decode_word sunrpc
alias symbol:xdr_encode_array2 sunrpc
alias symbol:xdr_encode_netobj sunrpc
alias symbol:xdr_encode_opaque sunrpc
alias symbol:xdr_encode_opaque_fixed sunrpc
alias symbol:xdr_encode_string sunrpc
alias symbol:xdr_encode_word sunrpc
alias symbol:xdr_enter_page sunrpc
alias symbol:xdr_init_decode sunrpc
alias symbol:xdr_init_decode_pages sunrpc
alias symbol:xdr_init_encode sunrpc
alias symbol:xdr_inline_decode sunrpc
alias symbol:xdr_inline_pages sunrpc
alias symbol:xdr_partial_copy_from_skb sunrpc
alias symbol:xdr_process_buf sunrpc
alias symbol:xdr_read_pages sunrpc
alias symbol:xdr_reserve_space sunrpc
alias symbol:xdr_restrict_buflen sunrpc
alias symbol:xdr_set_scratch_buffer sunrpc
alias symbol:xdr_shift_buf sunrpc
alias symbol:xdr_skb_read_bits sunrpc
alias symbol:xdr_stream_pos sunrpc
alias symbol:xdr_terminate_string sunrpc
alias symbol:xdr_truncate_encode sunrpc
alias symbol:xdr_write_pages sunrpc
alias symbol:xen_privcmd_fops xen_privcmd
alias symbol:xfrm4_tunnel_deregister tunnel4
alias symbol:xfrm4_tunnel_register tunnel4
alias symbol:xfrm6_tunnel_alloc_spi xfrm6_tunnel
alias symbol:xfrm6_tunnel_deregister tunnel6
alias symbol:xfrm6_tunnel_register tunnel6
alias symbol:xfrm6_tunnel_spi_lookup xfrm6_tunnel
alias symbol:xfrm_aalg_get_byid xfrm_algo
alias symbol:xfrm_aalg_get_byidx xfrm_algo
alias symbol:xfrm_aalg_get_byname xfrm_algo
alias symbol:xfrm_aead_get_byname xfrm_algo
alias symbol:xfrm_calg_get_byid xfrm_algo
alias symbol:xfrm_calg_get_byname xfrm_algo
alias symbol:xfrm_count_pfkey_auth_supported xfrm_algo
alias symbol:xfrm_count_pfkey_enc_supported xfrm_algo
alias symbol:xfrm_ealg_get_byid xfrm_algo
alias symbol:xfrm_ealg_get_byidx xfrm_algo
alias symbol:xfrm_ealg_get_byname xfrm_algo
alias symbol:xfrm_probe_algs xfrm_algo
alias symbol:xillybus_endpoint_discovery xillybus_core
alias symbol:xillybus_endpoint_remove xillybus_core
alias symbol:xillybus_init_endpoint xillybus_core
alias symbol:xillybus_isr xillybus_core
alias symbol:xor_blocks xor
alias symbol:xprt_adjust_cwnd sunrpc
alias symbol:xprt_alloc sunrpc
alias symbol:xprt_alloc_slot sunrpc
alias symbol:xprt_complete_rqst sunrpc
alias symbol:xprt_destroy_backchannel sunrpc
alias symbol:xprt_disconnect_done sunrpc
alias symbol:xprt_free sunrpc
alias symbol:xprt_load_transport sunrpc
alias symbol:xprt_lock_and_alloc_slot sunrpc
alias symbol:xprt_lookup_rqst sunrpc
alias symbol:xprt_register_transport sunrpc
alias symbol:xprt_release_rqst_cong sunrpc
alias symbol:xprt_release_xprt sunrpc
alias symbol:xprt_release_xprt_cong sunrpc
alias symbol:xprt_reserve_xprt sunrpc
alias symbol:xprt_reserve_xprt_cong sunrpc
alias symbol:xprt_set_retrans_timeout_def sunrpc
alias symbol:xprt_set_retrans_timeout_rtt sunrpc
alias symbol:xprt_setup_backchannel sunrpc
alias symbol:xprt_unregister_transport sunrpc
alias symbol:xprt_wait_for_buffer_space sunrpc
alias symbol:xprt_wake_pending_tasks sunrpc
alias symbol:xprt_write_space sunrpc
alias symbol:xt_alloc_table_info x_tables
alias symbol:xt_check_entry_offsets x_tables
alias symbol:xt_check_match x_tables
alias symbol:xt_check_target x_tables
alias symbol:xt_copy_counters_from_user x_tables
alias symbol:xt_find_match x_tables
alias symbol:xt_find_revision x_tables
alias symbol:xt_find_table_lock x_tables
alias symbol:xt_find_target x_tables
alias symbol:xt_free_table_info x_tables
alias symbol:xt_hook_link x_tables
alias symbol:xt_hook_unlink x_tables
alias symbol:xt_proto_fini x_tables
alias symbol:xt_proto_init x_tables
alias symbol:xt_rateest_lookup xt_RATEEST
alias symbol:xt_rateest_put xt_RATEEST
alias symbol:xt_recseq x_tables
alias symbol:xt_register_match x_tables
alias symbol:xt_register_matches x_tables
alias symbol:xt_register_table x_tables
alias symbol:xt_register_target x_tables
alias symbol:xt_register_targets x_tables
alias symbol:xt_replace_table x_tables
alias symbol:xt_request_find_match x_tables
alias symbol:xt_request_find_target x_tables
alias symbol:xt_table_unlock x_tables
alias symbol:xt_tee_enabled x_tables
alias symbol:xt_unregister_match x_tables
alias symbol:xt_unregister_matches x_tables
alias symbol:xt_unregister_table x_tables
alias symbol:xt_unregister_target x_tables
alias symbol:xt_unregister_targets x_tables
alias symbol:xts_crypt xts
alias symbol:z8530_channel_load z85230
alias symbol:z8530_dead_port z85230
alias symbol:z8530_describe z85230
alias symbol:z8530_hdlc_kilostream z85230
alias symbol:z8530_hdlc_kilostream_85230 z85230
alias symbol:z8530_init z85230
alias symbol:z8530_interrupt z85230
alias symbol:z8530_nop z85230
alias symbol:z8530_null_rx z85230
alias symbol:z8530_queue_xmit z85230
alias symbol:z8530_shutdown z85230
alias symbol:z8530_sync z85230
alias symbol:z8530_sync_close z85230
alias symbol:z8530_sync_dma_close z85230
alias symbol:z8530_sync_dma_open z85230
alias symbol:z8530_sync_open z85230
alias symbol:z8530_sync_txdma_close z85230
alias symbol:z8530_sync_txdma_open z85230
alias symbol:zgid ib_core
alias symbol:zl10036_attach zl10036
alias symbol:zl10039_attach zl10039
alias symbol:zl10353_attach zl10353
onezeroone@10011100010000111101111101:~$ lsmod | grep iwl
onezeroone@10011100010000111101111101:~$ sudo modprobe iwl-3945
modprobe: FATAL: Module iwl-3945 not found.
onezeroone@10011100010000111101111101:~$ ^C
onezeroone@10011100010000111101111101:~$ sudo modprobe iwl-cfg80211
modprobe: FATAL: Module iwl-cfg80211 not found.
onezeroone@10011100010000111101111101:~$ sudo modprobe -r iwl3945
onezeroone@10011100010000111101111101:~$ sudo modprobe iwl3945
onezeroone@10011100010000111101111101:~$ lsb_release -a
LSB Version: core-2.0-ia32:core-2.0-noarch:core-3.0-ia32:core-3.0-noarch:core-3.1-ia32:core-3.1-noarch:core-3.2-ia32:core-3.2-noarch:core-4.0-ia32:core-4.0-noarch:core-4.1-ia32:core-4.1-noarch:cxx-3.0-ia32:cxx-3.0-noarch:cxx-3.1-ia32:cxx-3.1-noarch:cxx-3.2-ia32:cxx-3.2-noarch:cxx-4.0-ia32:cxx-4.0-noarch:cxx-4.1-ia32:cxx-4.1-noarch:desktop-3.1-ia32:desktop-3.1-noarch:desktop-3.2-ia32:desktop-3.2-noarch:desktop-4.0-ia32:desktop-4.0-noarch:desktop-4.1-ia32:desktop-4.1-noarch:graphics-2.0-ia32:graphics-2.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch:graphics-3.1-ia32:graphics-3.1-noarch:graphics-3.2-ia32:graphics-3.2-noarch:graphics-4.0-ia32:graphics-4.0-noarch:graphics-4.1-ia32:graphics-4.1-noarch:languages-3.2-ia32:languages-3.2-noarch:languages-4.0-ia32:languages-4.0-noarch:languages-4.1-ia32:languages-4.1-noarch:multimedia-3.2-ia32:multimedia-3.2-noarch:multimedia-4.0-ia32:multimedia-4.0-noarch:multimedia-4.1-ia32:multimedia-4.1-noarch:printing-3.2-ia32:printing-3.2-noarch:printing-4.0-ia32:printing-4.0-noarch:printing-4.1-ia32:printing-4.1-noarch:qt4-3.1-ia32:qt4-3.1-noarch:security-4.0-ia32:security-4.0-noarch:security-4.1-ia32:security-4.1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 14.04.5 LTS
Release: 14.04
Codename: trusty
其结果是lspci：
*-network
description: Ethernet interface
product: NetLink BCM57780 Gigabit Ethernet PCIe
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth0
version: 01
serial: b8:70:f4:ed:0f:ad
size: 10Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 duplex=half firmware=sb latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:28 memory:b3400000-b340ffff
*-network UNCLAIMED
description: Network controller
product: BCM43227 802.11b/g/n
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:02:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:b2400000-b2403fff
*-network
description: Ethernet interface
physical id: 3
bus info: usb@2:1.2
logical name: eth1
serial: f2:c1:f1:a3:7f:9e
capabilities: ethernet physical
configuration: broadcast=yes driver=ipheth ip=172.20.10.6 link=yes multicast=yes
onezeroone@10011100010000111101111101:~$ lspci
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 05)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation HM55 Chipset LPC Interface Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05)
01:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe (rev 01)
02:00.0 Network controller: Broadcom Corporation BCM43227 802.11b/g/n
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved (rev 02)
其结果是rfkill list all：
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
这就是我目前所知道的一切。感谢您提供的任何帮助。