Works for a second then stops. I get no wifi at all. Rebooting sometimes helps, sometimes not (wired). Writing this from phone. Took the following outputs from terminal. How can I solve this problem? Code (Text): User@X552L:~$ uname -a Linux X552L 3.16.0-45-generic #60~14.04.1-Ubuntu SMP Fri Jul 24 21:16:23 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux user@X552L:~$ lspci -nnk | grep -iA2 net 02:00.1 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 12) Subsystem: ASUSTeK Computer Inc. Device [1043:200f] Kernel driver in use: r8169 03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821] Subsystem: AzureWave Device [1a3b:2161] Kernel driver in use: rtl8821ae user@X552L:~$ lsusb Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 004: ID 0bda:57b4 Realtek Semiconductor Corp. Bus 002 Device 014: ID 04e8:6860 Samsung Electronics Co., Ltd GT-I9100 Phone [Galaxy S II], GT-I9300 Phone [Galaxy S III], GT-P7500 [Galaxy Tab 10.1] Bus 002 Device 009: ID 04e8:1f0a Samsung Electronics Co., Ltd Bus 002 Device 008: ID 174c:55aa ASMedia Technology Inc. ASMedia 2105 SATA bridge Bus 002 Device 007: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 002 Device 006: ID 0951:1665 Kingston Technology Bus 002 Device 003: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB Bus 002 Device 002: ID 192f:0916 Avago Technologies, Pte. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub user@X552L:~$ lsmod Module Size Used by nls_iso8859_1 12713 1 ctr 13049 2 ccm 17773 2 pci_stub 12622 1 vboxpci 23194 0 vboxnetadp 25670 0 vboxnetflt 27613 0 vboxdrv 410016 3 vboxnetadp,vboxnetflt,vboxpci bnep 19624 2 rfcomm 69509 0 wl 6367833 0 uvcvideo 81073 0 videobuf2_vmalloc 13216 1 uvcvideo videobuf2_memops 13362 1 videobuf2_vmalloc videobuf2_core 59104 1 uvcvideo v4l2_common 15681 1 videobuf2_core videodev 153793 3 uvcvideo,v4l2_common,videobuf2_core media 21903 2 uvcvideo,videodev arc4 12608 2 asus_nb_wmi 21128 0 asus_wmi 24094 1 asus_nb_wmi sparse_keymap 13948 1 asus_wmi intel_rapl 18783 0 x86_pkg_temp_thermal 14205 0 intel_powerclamp 18823 0 coretemp 13441 0 kvm_intel 143630 0 kvm 452047 1 kvm_intel snd_hda_codec_realtek 77514 1 snd_hda_codec_generic 69011 1 snd_hda_codec_realtek crct10dif_pclmul 14307 0 crc32_pclmul 13133 0 ghash_clmulni_intel 13230 0 aesni_intel 152552 4 snd_hda_codec_hdmi 47548 1 aes_x86_64 17131 1 aesni_intel lrw 13286 1 aesni_intel gf128mul 14951 1 lrw glue_helper 13990 1 aesni_intel ablk_helper 13597 1 aesni_intel cryptd 20359 3 ghash_clmulni_intel,aesni_intel,ablk_helper joydev 17393 0 serio_raw 13483 0 btusb 32497 0 bluetooth 446409 11 bnep,btusb,rfcomm 6lowpan_iphc 18702 1 bluetooth rtl8821ae 546666 0 lpc_ich 21093 0 snd_hda_intel 30469 5 snd_hda_controller 30228 1 snd_hda_intel snd_soc_rt5640 93042 0 snd_hda_codec 139719 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller snd_soc_rl6231 13037 1 snd_soc_rt5640 snd_soc_core 200204 1 snd_soc_rt5640 mac80211 652777 1 rtl8821ae snd_hwdep 17698 1 snd_hda_codec snd_compress 19200 1 snd_soc_core snd_pcm_dmaengine 15172 1 snd_soc_core snd_pcm 104112 7 snd_soc_rt5640,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller,snd_pcm_dmaengine rtsx_pci_ms 18168 0 cfg80211 498458 3 wl,mac80211,rtl8821ae memstick 16966 1 rtsx_pci_ms mei_me 19696 0 mei 87875 1 mei_me shpchp 37047 0 snd_seq_midi 13564 0 snd_seq_midi_event 14899 1 snd_seq_midi snd_rawmidi 30876 1 snd_seq_midi snd_seq 63074 2 snd_seq_midi_event,snd_seq_midi snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 29562 2 snd_pcm,snd_seq dw_dmac 12835 0 dw_dmac_core 28390 1 dw_dmac snd 79468 23 snd_hda_codec_realtek,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_compress i2c_hid 18726 0 soundcore 15047 2 snd,snd_hda_codec snd_soc_sst_acpi 13007 0 8250_dw 13551 0 i2c_designware_platform 12979 0 i2c_designware_core 14768 1 i2c_designware_platform spi_pxa2xx_platform 23079 0 mac_hid 13227 0 parport_pc 32741 0 ppdev 17671 0 lp 17759 0 parport 42348 3 lp,ppdev,parport_pc uas 27255 0 usb_storage 66545 2 uas hid_generic 12559 0 usbhid 52616 0 hid 110426 3 i2c_hid,hid_generic,usbhid nouveau 1206535 1 rtsx_pci_sdmmc 23043 0 i915 906106 6 mxm_wmi 13021 1 nouveau ttm 93588 1 nouveau i2c_algo_bit 13413 2 i915,nouveau r8169 71694 0 mii 13934 1 r8169 drm_kms_helper 61574 2 i915,nouveau rtsx_pci 46259 2 rtsx_pci_ms,rtsx_pci_sdmmc drm 311018 8 ttm,i915,drm_kms_helper,nouveau psmouse 106767 0 ahci 34142 2 libahci 32424 1 ahci wmi 19193 3 mxm_wmi,nouveau,asus_wmi video 20128 3 i915,nouveau,asus_wmi sdhci_acpi 13351 0 sdhci 43685 1 sdhci_acpi Code (Text): user@X552L:~$ iwconfig eth0 no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"MyNW 5Ghz" Mode:Managed Frequency:5.18 GHz Access Point: BC:AE:C5:EA:E5:1E Bit Rate=6 Mb/s Tx-Power=17 dBm Retry short limit:7 RTS thr=2347 B Fragment thr:off Power Management:off Link Quality=48/70 Signal level=-62 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 lo no wireless extensions. tun0 no wireless extensions. Code (Text): user@X552L:~$ ifconfig -a eth0 Link encap:Ethernet HWaddr ac:9e:17:0a:a1:98 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:263 errors:0 dropped:0 overruns:0 frame:0 TX packets:263 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:25240 (25.2 KB) TX bytes:25240 (25.2 KB) tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:10.114.0.20 P-t-P:10.114.0.20 Mask:255.255.0.0 inet6 addr: fd70:92a7:8b12:72::1012/112 Scope:Global UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:7 errors:0 dropped:0 overruns:0 frame:0 TX packets:6575547 errors:0 dropped:6572932 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:1227 (1.2 KB) TX bytes:9861302060 (9.8 GB) wlan0 Link encap:Ethernet HWaddr 54:27:1e:dc:c7:f9 inet addr:192.168.1.19 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::5627:1eff:fedc:c7f9/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:650 errors:0 dropped:1 overruns:0 frame:0 TX packets:482 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:82436 (82.4 KB) TX bytes:66845 (66.8 KB) Code (Text): user@X552L:~$ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 10.114.0.1 nameserver 127.0.1.1 Tried to get help on ubuntu forums but no reply for a month.
This should be helpful http://ubuntuforums.org/showthread.php?t=2187428&s=ff4af56b542fef177f14cb558a1b45a1&page=5
