victor00000,
root@dmitriy-W251ESQ-W270ESQ:~# rmmod rtl8723ae 2>/dev/null
root@dmitriy-W251ESQ-W270ESQ:~# modprobe rtl8723ae
root@dmitriy-W251ESQ-W270ESQ:~# dmesg | tail -20
[ 989.387551] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387555] cfg80211: Updating information on frequency 2437 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387559] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387562] cfg80211: Updating information on frequency 2442 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387566] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387570] cfg80211: Updating information on frequency 2447 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387574] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387577] cfg80211: Updating information on frequency 2452 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387581] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387585] cfg80211: Updating information on frequency 2457 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387589] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387592] cfg80211: Updating information on frequency 2462 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387596] cfg80211: 2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387600] cfg80211: Updating information on frequency 2467 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387604] cfg80211: 2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387608] cfg80211: Updating information on frequency 2472 MHz for a 20 MHz width channel with regulatory rule:
[ 989.387612] cfg80211: 2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A mBi, 2000 mBm)
[ 989.387615] cfg80211: Disabling freq 2484 MHz as custom regd has no rule that fits a 20 MHz wide channel
[ 989.387876] rtl8723ae: Using firmware rtlwifi/rtl8723fw_B.bin
[ 989.391517] rtlwifi: Firmware rtlwifi/rtl8723fw_B.bin not available
root@dmitriy-W251ESQ-W270ESQ:~# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.