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Forum Index : Microcontroller and PC projects : Internet drop-offs since last W10 update
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Grogster Admin Group  Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
Anyone else seeing this? Only since MS's last W10 update was rolled out earlier this week, PC will be working fine, then the net will just stop working. All web browsers report "No Internet Connection". Network icon in task-bar reports "Internet Access" One contradicts the other. NOTHING I can think of to do fixes this once you are locked out(reset network adaptors, clear DNS cache etc), and the only way to get the net back, is to reboot. This is actually more of a pain in the arse then you think, as I have two monitors, 16GB of RAM and have lots and lots of different applications all running in the background all the time. The machine runs 24/7, I only turn off the monitors at the end of the day. A full-reboot takes anything up to five minutes by the time I have loaded back all the applications in the background, and loaded any files into those, along with reloading all my current webpages etc - its a right royal pain in the arse. The other machines on the same network(not W10 ones, Linux and W7) never lose their access to the net when the W10 box does. I left an old W7 machine running for a few days till this happened again on my W10 machine, so I could check it - W7 still had access to the net, but the W10 one does not. No error messages, no odd behaviour, the net just seem to go from working fine one instant, to dead the next. Has anyone else with W10 seen this since the last update? Does anyone have a command-line or other application that I could try to run when this happens, to simply reset the internet connection as far as the local machine is concerned? Smoke makes things work. When the smoke gets out, it stops! |
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TassyJim Guru  Joined: 07/08/2011 Location: AustraliaPosts: 6283 |
Can't say I have noticed any changes with the last update. Is your W10 machine using WiFi or Ethernet? It could be a driver issue. When I want to test the Internet connection, I use ping or tracert in a command window. C:\Windows\System32>ping www.c-com.com.au Pinging c-com.com.au [103.18.109.157] with 32 bytes of data: Reply from 103.18.109.157: bytes=32 time=37ms TTL=53 Reply from 103.18.109.157: bytes=32 time=50ms TTL=53 Reply from 103.18.109.157: bytes=32 time=45ms TTL=53 Reply from 103.18.109.157: bytes=32 time=49ms TTL=53 Ping statistics for 103.18.109.157: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 37ms, Maximum = 50ms, Average = 45ms C:\Windows\System32> C:\Windows\System32>tracert 103.18.109.157 Tracing route to s1.cpcloud.com.au [103.18.109.157] over a maximum of 30 hops: 1 <1 ms <1 ms <1 ms router [192.168.xx.xx] 2 <1 ms <1 ms <1 ms FRITZ-NAS [xx.xx.xx.xx] 3 37 ms 38 ms 37 ms loop119171400.bng1.portmel.aussiebb.net [119.17.140.1] 4 36 ms 37 ms 37 ms hundredgige0-0-0-17.core1.ia-dcb.portmel.aussiebb.net [180.150.1.141] 5 37 ms 37 ms 37 ms be2.core1.vdc03.mel.aussiebb.net [202.142.143.43] 6 44 ms 28 ms 38 ms as132680.melbourne.megaport.com [103.26.71.70] 7 50 ms 57 ms 47 ms 103.18.111.190 8 47 ms 47 ms 47 ms s1.cpcloud.com.au [103.18.109.157] Trace complete. C:\Windows\System32> That will tell you if the DNS server is working as well as general connectivity. Somewhere, I have a program I wrote to test 3 or 4 different servers on a regular basis. VK7JH MMedit |
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| TassyJim Guru Joined: 07/08/2011 Location: AustraliaPosts: 6283 |
It might also be IPV6 playing up. Try disabling IPV6 on the W10 machine. Google for the instructions. Jim VK7JH MMedit |
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| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
Thanks, Jim, I will keep this in mind, and try that next time it happens. Smoke makes things work. When the smoke gets out, it stops! |
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| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
Just happened again now. Mother  ....Ping command says it cannot find the host. I just tried to ping yahoo dot com. An image of the problem I am seeing:  I have censored all the email messages for privacy, but you can see the "No internet connection" message in the web browser, and the "Internet access" message on the network taskbar icon. One directly contradicts the other, and I am left scratching my head.  Smoke makes things work. When the smoke gets out, it stops! |
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Quazee137 Guru Joined: 07/08/2016 Location: United StatesPosts: 593 |
My Son has to use win10 and gets the same problem. try this cli as admin "netsh winsock reset" and maybe this one too netsh int ip reset you could setup it as a desktop item and just click on it. a few more cli's my son uses. ipconfig /release ipconfig /renew ipconfig /flushdns these three may need a computer restart  with Linux I use "sudo service network-manager restart"  |
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MicroBlocks Guru Joined: 12/05/2012 Location: ThailandPosts: 2209 |
ISP's are also known to have problems with DNS. Try pinging or tracing an ip-address directly. DNS is normally first serviced by your router which can cache entries you use often. For a test but don't leave it unless you want google to know everything you can try to set the DNS to 8.8.8.8 Googles public DNS server. My steps are first pinging the router, probably a 192.168.x.x address. Often that still works which means the network itself is still working. Then pinging an external server with its ip address (no need for DNS in that case). And if that works then try the DNS. First ping it, then use a ping with a server name. If the name lookup fails then at least you know it is the DNS that is failing and not something else in between. A trace can help if something along the way to the destiny is acting up. Microblocks. Build with logic. |
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| Grogster Admin Group Joined: 31/12/2012 Location: New ZealandPosts: 9610 |
Thanks for that, chums. I will try those CLI's next time this happens, note what happens, and report back. Nice to see you around the forums again, MB.  Smoke makes things work. When the smoke gets out, it stops! |
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| davenz Newbie  Joined: 24/06/2019 Location: New ZealandPosts: 1 |
Hi guys, just a few observations to this thread; Please note that if you have custom IP or DNS settings (some cable modems require static IP and DNS settings) added to your network adapter that the winsock reset command above will blow them away. As a general rule I've found that if a winsock reset is required more than once, something else is wrong. Check in the advanced power settings tab of your network adapter (via device manager) that Windows isn't turning it off to save power (most adapters have power-saving enabled by default). Try rolling back the adapter driver while you are there. If Windows update has decided that you need a new driver, this can also result in problems (as can those dreadful 'driver download' programs being foisted on us). The best driver for your adapter is the one that came with it - period. If the adapter is built into your motherboard, re-download and install the original drivers from the mobo manufacturer's website. Newer drivers will not make your internet faster or your computer better, no matter what those advertising/click-supported driver programs claim. This maxim holds especially true with video card drivers. If you haven't already (and want to of course), check your Windows update settings as the latest build of Windows adds many new 'features' to this area and you might find, for example, that you are downloading drivers (as above) and huge updates for every other M$-related piece of software on your computer, as well as any other machine connected in your home network, regardless of Windows/Office versions. This traffic is prioritised and can simply soak your bandwidth away to zero. (There are also many new 'trackers' added in this update so you might want to check those and turn off any you aren't comfortable sharing with Microsoft and partners as well). Just my 2cents. Dave. |
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