SO:cat /etc/redhat-release

CentOS Linux release 7.1.1503 (Core)


Notebook: acer 5750
Problem: No works Wirelles(WLAN), but yes LAN.

HELP!!!!!!!!!!!


Commands:

uname -r:

3.10.0-229.4.2.el7.x86_64


lsmod:

Module Size Used by
bnep 19704 2
bluetooth 372662 7 bnep
fuse 87741 3
ip6t_rpfilter 12546 1
ip6t_REJECT 12939 2
ipt_REJECT 12541 2
xt_conntrack 12760 7
ebtable_nat 12807 0
ebtable_broute 12731 0
bridge 115385 1 ebtable_broute
stp 12976 1 bridge
llc 14552 2 stp,bridge
ebtable_filter 12827 0
ebtables 30913 3 ebtable_broute,ebtable_nat,ebtable_filter
ip6table_nat 12864 1
nf_conntrack_ipv6 18738 5
nf_defrag_ipv6 34651 1 nf_conntrack_ipv6
nf_nat_ipv6 14131 1 ip6table_nat
ip6table_mangle 12700 1
ip6table_security 12710 1
ip6table_raw 12683 1
ip6table_filter 12815 1
ip6_tables 27025 5 ip6table_filter,ip6table_mangle,ip6table_security,ip6table_nat,ip6table_raw
iptable_nat 12875 1
nf_conntrack_ipv4 14862 4
nf_defrag_ipv4 12729 1 nf_conntrack_ipv4
nf_nat_ipv4 14115 1 iptable_nat
nf_nat 26146 2 nf_nat_ipv4,nf_nat_ipv6
nf_conntrack 105702 6 nf_nat,nf_nat_ipv4,nf_nat_ipv6,xt_conntrack,nf_conntrack_ipv4,nf_conntrack_ipv6
iptable_mangle 12695 1
iptable_security 12705 1
iptable_raw 12678 1
iptable_filter 12810 1
ip_tables 27239 5 iptable_security,iptable_filter,iptable_mangle,iptable_nat,iptable_raw
intel_powerclamp 18764 0
coretemp 13435 0
intel_rapl 18773 0
kvm_intel 148081 0
kvm 461126 1 kvm_intel
acer_wmi 32522 0
crct10dif_pclmul 14289 0
crc32_pclmul 13113 0
crc32c_intel 22079 0
ghash_clmulni_intel 13259 0
aesni_intel 69884 0
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
uvcvideo 80934 0
sparse_keymap 13948 1 acer_wmi
rfkill 26536 4 acer_wmi,bluetooth
snd_hda_codec_hdmi 51925 1
snd_hda_codec_realtek 74707 1
snd_hda_codec_generic 68937 1 snd_hda_codec_realtek
iTCO_wdt 13480 0
iTCO_vendor_support 13718 1 iTCO_wdt
videobuf2_vmalloc 13216 1 uvcvideo
videobuf2_memops 13362 1 videobuf2_vmalloc
videobuf2_core 40499 1 uvcvideo
videodev 126499 2 uvcvideo,videobuf2_core
snd_hda_intel 30519 4
snd_hda_controller 31921 1 snd_hda_intel
snd_hda_codec 139320 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
pcspkr 12718 0
sdhci_pci 18847 0
sdhci 38705 1 sdhci_pci
mmc_core 124708 1 sdhci
snd_hwdep 17698 1 snd_hda_codec
serio_raw 13462 0
lpc_ich 21073 0
mfd_core 13435 1 lpc_ich
bcma 42819 0
snd_seq 63074 0
snd_seq_device 14497 1 snd_seq
snd_pcm 103996 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller
snd_timer 29562 2 snd_pcm,snd_seq
snd 75127 18 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_hda_codec_generic,s nd_hda_codec,snd_hda_intel,snd_seq_device
soundcore 15047 2 snd,snd_hda_codec
mei_me 18646 0
mei 82723 1 mei_me
i2c_i801 18135 0
shpchp 37032 0
wmi 19070 1 acer_wmi
uinput 17625 0
xfs 915019 3
libcrc32c 12644 1 xfs
sd_mod 45499 3
sr_mod 22416 0
cdrom 42556 1 sr_mod
crc_t10dif 12714 1 sd_mod
crct10dif_common 12595 2 crct10dif_pclmul,crc_t10dif
i915 929459 3
i2c_algo_bit 13413 1 i915
drm_kms_helper 98226 1 i915
ahci 29870 2
drm 311588 5 i915,drm_kms_helper
libahci 32009 1 ahci
tg3 170669 0
libata 218854 2 ahci,libahci
ptp 18933 1 tg3
i2c_core 40325 6 drm,i915,i2c_i801,drm_kms_helper,i2c_algo_bit,videodev
pps_core 19106 1 ptp
video 19263 2 i915,acer_wmi
dm_mirror 22135 0
dm_region_hash 20862 1 dm_mirror
dm_log 18411 2 dm_region_hash,dm_mirror
dm_mod 104038 11 dm_log,dm_mirror

lspci -v | grep -i net:

02:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57785 Gigabit Ethernet PCIe (rev 10)
03:00.0 Network controller: Broadcom Corporation BCM43227 802.11b/g/n

ifconfig -a:

enp2s0f0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.102 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::de0e:a1ff:fe96:151b prefixlen 64 scopeid 0x20<link>
ether dc:0e:a1:96:15:1b txqueuelen 1000 (Ethernet)
RX packets 24980 bytes 17083538 (16.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 23642 bytes 4202638 (4.0 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 16

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 438 bytes 34988 (34.1 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 438 bytes 34988 (34.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

Which distribution are you using?

CentOS Linux release 7.1.1503 (Core)

Welcome to the forum

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Regards...