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  • FIRST POST
    • badger09
    • By badger09 19th Aug 19, 10:53 AM
    • 7,518Posts
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    badger09
    Wifi Connection Issues
    • #1
    • 19th Aug 19, 10:53 AM
    Wifi Connection Issues 19th Aug 19 at 10:53 AM
    Hope someone can help.

    Dell Inspiron 17R. New ZyXEL router from John Lewis BB installed recently, after multiple faults, was working ok.

    Windows 10 update Ďsuccessfulí 16/8.

    Since then, laptop wonít connect to Wi-Fi. iPhones & iPad will connect but not automatically.

    Yesterday, laptop connected but only after switching router off & on again (as suggested by troubleshooter). That doesnít work today. Laptop will also not connect to iPhone using Wi-Fi personal hotspot.

    There is another Windows update waiting but obviously I canít connect to do it. I was hoping that would fix it, but could it be that I have to update the network driver?

    Iím guessing the only way out of this is to use Ethernet. But could someone please talk me through the order of things to try. In non techie language if possible please

    Thank you
    Last edited by badger09; 21-08-2019 at 4:13 PM. Reason: Thread title edited for clarity
Page 2
    • badger09
    • By badger09 19th Aug 19, 3:34 PM
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    badger09
    Try resetting the tcpip stack .. like this ..


    First , open an admin command prompt by typing CMD into the search box and when you see "command prompt" in the list, RIGHT click it and choose "run as administrator".


    Then , type the following commands in order - you might need to restart after each one, but if you do then just open up another command window sin the same way ..


    After you have finished, let us know if the issue persists ..


    arp -d *
    netsh int ip reset
    netsh winsock reset
    netsh interface ipv4 reset
    netsh interface ipv6 reset
    netsh interface tcp reset
    netsh int reset all
    ipconfig /flushdns
    netsh advfirewall reset
    netsh interface tcp set global autotuninglevel=disabled
    nbstat -R
    nbstat -RR


    By the way, have you scanned for malware ?
    Also, have you tried to set your mobile phone as a hotspot to see if the computer can connect to that ? Just to narrow down the search for the problem
    Originally posted by AndyPix
    Thanks Andy I have bookmarked this suggestion for future ref.

    Having lost patience, I disconnected laptop from Ethernet & switched it off, also switched off router again.

    After about 10 mins I switched router back on, followed by laptop. Initially laptop said it was unable to connect to router, but then proceeded to do so!

    I scanned for malware a couple of weeks ago but will run another scan, just in case.

    Re the mobile, I tried that this morning and laptop wouldn't connect to phone as hotspot.

    Throughout today, 2 iphones & ipad have been connecting to wifi ok (obviously not while router off!) but seem to randomly switch between the 5G & 2.4(?). I don't know whether that is significant or not.

    I'm reluctant to disturb things now its working, or would you recommend I 'reset the tcpip stack' whatever that means

    Really appreciate folks trying to help.
    • caveman38
    • By caveman38 19th Aug 19, 3:56 PM
    • 985 Posts
    • 314 Thanks
    caveman38
    Although I have 1903 on my laptop without any issues. I'd like to take your advise and avoid that version when I upgrade my PC from W7 to W10.
    I can install the pro version but how can I prevent it from installing build 1903?
    • AndyPix
    • By AndyPix 19th Aug 19, 3:58 PM
    • 4,459 Posts
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    AndyPix
    ^^ Just install it - only a small number (relatively) will have problems .. If you do then we can help you
    Running with scissors since 1978
    • AndyPix
    • By AndyPix 19th Aug 19, 4:01 PM
    • 4,459 Posts
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    AndyPix
    , or would you recommend I 'reset the tcpip stack' whatever that means

    Really appreciate folks trying to help.
    Originally posted by badger09

    I would say if its not broke then don't fix it - but next time you have connection problems reset the stack.


    The TCPIP stack is just the layers of systems that work in the background to allow communication between the devices. Resetting them usually fixes most connection issues that aren't caused by hardware , drivers or malware
    Running with scissors since 1978
    • badger09
    • By badger09 19th Aug 19, 4:07 PM
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    badger09
    Needless to say itís gone again.

    Malware bytes came up clean. Not sure whether to try your solution or contact ISP again as this is the latest in a long series of problems.
    • AndyPix
    • By AndyPix 19th Aug 19, 4:09 PM
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    AndyPix
    If you other devices can connect then it really isn't an ISP issue.


    Resetting the tcp stack isn't going to break anything - it's just resetting things to how they were at a clean install


    It may or may not work - but it will rule out another possibility
    Last edited by AndyPix; 19-08-2019 at 4:14 PM.
    Running with scissors since 1978
    • OGR
    • By OGR 19th Aug 19, 4:21 PM
    • 156 Posts
    • 93 Thanks
    OGR
    I might be wrong but I can't see anywhere that you have given or been asked to give the make and model of the WiFi adaptor in your system. It could be that the driver simply isn't working properly under the build of Windows 10 you currently have installed, if this is the case we may be able to find others with the same issue.

    Click start, start typing device manager and then open it up when it appears in the menu. Go to network adapters, expand and either screenshot the results or give us the model number. If you want to right click, go to properties and then the driver tab and give us the version you have installed that would be good too.
    • badger09
    • By badger09 19th Aug 19, 5:23 PM
    • 7,518 Posts
    • 7,028 Thanks
    badger09
    I might be wrong but I can't see anywhere that you have given or been asked to give the make and model of the WiFi adaptor in your system. It could be that the driver simply isn't working properly under the build of Windows 10 you currently have installed, if this is the case we may be able to find others with the same issue.

    Click start, start typing device manager and then open it up when it appears in the menu. Go to network adapters, expand and either screenshot the results or give us the model number. If you want to right click, go to properties and then the driver tab and give us the version you have installed that would be good too.
    Originally posted by OGR
    It says

    Intel(R) Centrino(R). Wireless-N 2230

    Followed by another 9 items Realtek PCle FE Family Controller, then 8 WAN Miniports
    Last edited by badger09; 19-08-2019 at 5:33 PM.
    • badger09
    • By badger09 19th Aug 19, 5:25 PM
    • 7,518 Posts
    • 7,028 Thanks
    badger09
    If you other devices can connect then it really isn't an ISP issue.


    Resetting the tcp stack isn't going to break anything - it's just resetting things to how they were at a clean install


    It may or may not work - but it will rule out another possibility
    Originally posted by AndyPix
    Thanks

    I havenít tried it yet. I guess I was confused b the other poster who said iPhones could connect on 5G but maybe laptop couldnít
    • grumpycrab
    • By grumpycrab 19th Aug 19, 6:14 PM
    • 4,302 Posts
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    grumpycrab
    Intel(R) Centrino(R). Wireless-N 2230
    Originally posted by badger09
    A couple of things to try here...
    https://windowsreport.com/intel-centrino-wireless-n-2230-wifi-windows-10/
    If you put your general location in your Profile, somebody here may be able to come and help you.
    • AndyPix
    • By AndyPix 19th Aug 19, 6:33 PM
    • 4,459 Posts
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    AndyPix
    Thanks

    I havenít tried it yet. I guess I was confused b the other poster who said iPhones could connect on 5G but maybe laptop couldnít
    Originally posted by badger09

    That could still be the case here, but it still doesn't make it an ISP issue .. 5G just relates to which frequency the router is broadcasting its wifi signal on.


    What I meant was that if the phones can connect ok then you know that the kit is working, so it isn't an ISP issue.
    If it were me personally here then id probly update the network card/s drivers first, then reset the IP stack and see if that gets it
    Running with scissors since 1978
    • badger09
    • By badger09 19th Aug 19, 7:24 PM
    • 7,518 Posts
    • 7,028 Thanks
    badger09
    That could still be the case here, but it still doesn't make it an ISP issue .. 5G just relates to which frequency the router is broadcasting its wifi signal on.


    What I meant was that if the phones can connect ok then you know that the kit is working, so it isn't an ISP issue.
    If it were me personally here then id probly update the network card/s drivers first, then reset the IP stack and see if that gets it
    Originally posted by AndyPix
    Thanks both

    Iím really struggling to read (& type) on iPhone (SE)

    Iíll attach laptop by Ethernet tomorrow & work through your suggestions.

    Again, thanks for your help so far
    • EveryWhere
    • By EveryWhere 19th Aug 19, 8:41 PM
    • 2,982 Posts
    • 1,488 Thanks
    EveryWhere
    Thanks Andy I have bookmarked this suggestion for future ref.

    Having lost patience, I disconnected laptop from Ethernet & switched it off, also switched off router again.

    After about 10 mins I switched router back on, followed by laptop. Initially laptop said it was unable to connect to router, but then proceeded to do so!

    I scanned for malware a couple of weeks ago but will run another scan, just in case.

    Re the mobile, I tried that this morning and laptop wouldn't connect to phone as hotspot.

    Throughout today, 2 iphones & ipad have been connecting to wifi ok (obviously not while router off!) but seem to randomly switch between the 5G & 2.4(?). I don't know whether that is significant or not.

    I'm reluctant to disturb things now its working, or would you recommend I 'reset the tcpip stack' whatever that means

    Really appreciate folks trying to help.
    Originally posted by badger09
    It is as I stated, the Router. Your laptop cannot connect via the 5GHz frequency. So you'll need to change the settings on your Router to 2.4GHz only.

    The Intel(R) Centrino(R) Wireless-N 2230 is a single band adapter and works on the 2.4GHz band ONLY.

    Nothing to do with Windows 10 at all.
    • EveryWhere
    • By EveryWhere 19th Aug 19, 8:45 PM
    • 2,982 Posts
    • 1,488 Thanks
    EveryWhere
    Alternatively; https://www.ebay.co.uk/itm/600Mbps-Dual-Band-USB-WiFi-Dongle-Wireless-LAN-Adapter-802-11ac-a-b-5Ghz-2-4Ghz/181688348467
    • AndyPix
    • By AndyPix 20th Aug 19, 8:36 AM
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    AndyPix
    It is as I stated, the Router. .
    Originally posted by EveryWhere

    According to the OP it worked before the update - and if the router is dual band then there is no reason the laptop shouldn't connect
    Running with scissors since 1978
    • badger09
    • By badger09 20th Aug 19, 8:53 AM
    • 7,518 Posts
    • 7,028 Thanks
    badger09
    It is as I stated, the Router. Your laptop cannot connect via the 5GHz frequency. So you'll need to change the settings on your Router to 2.4GHz only.

    The Intel(R) Centrino(R) Wireless-N 2230 is a single band adapter and works on the 2.4GHz band ONLY.

    Nothing to do with Windows 10 at all.
    Originally posted by EveryWhere
    According to the OP it worked before the update - and if the router is dual band then there is no reason the laptop shouldn't connect
    Originally posted by AndyPix
    Thank you both

    I havenít started on it yet, but to add to the puzzle:

    1) The laptop still shows the (non 5G) Wi-Fi network as available & was connecting automatically until a few days ago. Now it wonít connect

    2) my husbands old iPhone 4s was connecting but now, only the (non 5G) network is showing, but even with correct password, it wonít connect
    My SE & his iPad both connect to the 5G

    3) Sky box has disconnected from Wi-Fi

    Does this narrow the problem down to some change in the router affecting the 2.4Gh?
    • AndyPix
    • By AndyPix 20th Aug 19, 9:18 AM
    • 4,459 Posts
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    AndyPix
    Just to complete the picture here . How far away is the laptop from the router ?


    Anyway, theres no point in talking about it much more until you have at least updated the drivers on your laptop as that is the most obvious possible issue
    Running with scissors since 1978
    • badger09
    • By badger09 20th Aug 19, 9:23 AM
    • 7,518 Posts
    • 7,028 Thanks
    badger09
    Just to complete the picture here . How far away is the laptop from the router ?


    Anyway, theres no point in talking about it much more until you have at least updated the drivers on your laptop as that is the most obvious possible issue
    Originally posted by AndyPix
    About 2 meters away in the same small room.

    Iíll be back when Iíve updated the drivers.
    • badger09
    • By badger09 20th Aug 19, 10:42 AM
    • 7,518 Posts
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    badger09
    OK

    I downloaded DELL Support Assist. Scanned system & only offered one update - Intel Graphics 4000, which I've done. Said everything else up to date & working properly.

    I keep coming back to the fact that until a couple of days ago, laptop, husband's old iphone & Sky box were all connecting to wifi ok - presumably on 2.4Gh. Now although they all detect that network, none of them will connect.

    Forgive me, I'm not techie at all but not entirely clueless - doesn't this point to a router issue?
    Fibre BB coming in ok, ethernet ok, wifi ok on 5Gh devices but not others.

    Next step?
    • AndyPix
    • By AndyPix 20th Aug 19, 10:50 AM
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    AndyPix
    Is it a set time that they will connect for and then disconnect ?
    Is there any pattern to it ?


    ie it will stay connected for x minutes every time ?


    Or is it just random ?


    If it is other devices too then it does point to an issue with the router - but your opening comment that this has only been happening since a windows update muddy the waters
    Running with scissors since 1978
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