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SOLVED:

  • Home WIFI is set to Channel 4 and has over 90% signal.
  • Neighbour WIFI is set to Channel 4 and has over 90% signal.
  • I set Home WIFI to Channel 1 - it was set to Auto
  • Home Laptop detects Home WIFI 5 times after I switch Router off and on - it used to not detect after 1-2 switches.
  • Home Laptop connects to Home WIFI in less than 2 seconds - it used to take more than 10 seconds.

Problem:

  • Home Laptop doesn't detect Home WIFI except sometimes

Exception:

  • Sometimes Home Laptop detects and connects to Home WIFI successfully + internet works great like when I posted this question. Generally it happens after turning Home Router off and on.

Mission:

  • To make Home Laptop detect Home WIFI

WIFI detection:

  • Everything detects Home WIFI except Home Laptop
  • Home Laptop detects Every WIFI except Home WIFI
  • Home Laptop detects Home WIFI on Neighbour Cable Line
  • Home Laptop doesn't detect Neighbour WIFI on Home Cable Line

Info:

  • OS: Windows 10 Home 64bit
  • Router: Nokia G-140w-G
  • WIFI Adapter: Qualcomm Atheros QCA61x4A Wireless Network Adapter

Tried:

  • Windows Update - up to date: 24.11.2019
  • Windows Reset including deleting files
  • Network Reset + Windows Restart
  • Router Reset
  • Router Unplug everything for more than a minute
  • WIFI Adapter Driver Update - "Windows has determined that the best driver for this device is already installed"
  • WIFI Adapter Drivers Replacement - 3 replaced
  • WIFI Adapter enable/disable
  • Mobile Hot Spot - doesn't detect
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8
  • Is your WiFi network 2.4 GHz or 5 GHz?
    – Mr Ethernet
    Commented Nov 24, 2019 at 14:01
  • @MrEthernet 2.4Ghz
    – Ziya Ceferov
    Commented Nov 24, 2019 at 17:59
  • Can you clarify what this means? "Laptop detects Home WIFI on Neighbour Cable Line. Laptop doesn't detect Neighbour WIFI on Home Cable Line." So did you temporarily swap your router with your neighbor for testing purposes? This description is somewhat ambiguous and hard to follow.
    – Mr Ethernet
    Commented Nov 24, 2019 at 18:17
  • @MrEthernet Yes, I swap 2 routers to 2 different cable lines in 10 minutes total. I lost by 0:2 score.
    – Ziya Ceferov
    Commented Nov 24, 2019 at 22:07
  • 1
    @MrEthernet I found the solution, check out the answer and question edit.
    – Ziya Ceferov
    Commented Nov 28, 2019 at 15:48

2 Answers 2

Reset to default
1

The reason why Home Laptop doesn't detect Home WIFI in a stable way is Home WIFI Channel overlaps with Neighbour WIFI Channel.

To solve the problem, set Home WIFI Channel to different value.

Read more:

Why channel 1, 6 and 11 are best for Wifi communication 802.11n?

Why use wifi channels other than 1, 6 or 11?

Should WiFi routers be set to a channel or choose automatically?

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3
  • 1
    Your solution solved my problem! Great!
    – Ziya Ceferov
    Commented Nov 28, 2019 at 15:47
  • Thanks for the update!
    – Mr Ethernet
    Commented Nov 28, 2019 at 16:34
  • What is the easiest way to solve this? I can't able to understand answers because it's too technical
    – Siddharth
    Commented Jun 4, 2021 at 10:19
0

Looking at your list of environment tests (first paragraph), do the following two steps:

  1. Update the Router firmware and then do a hard reset of the router.

  2. Try a different router (borrow one if you can).

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