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- Re: Help!
Help!
23-08-2010 4:59 PM
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Here's the problem, one laptop (W7) will not connect to the internet although it is connected OK to the network. It WILL connect if I connect to the router via wired LAN.
I ran network diagnostics and a primary DNS server (whatever that might be!) communication problem was detected.
I have no idea how to fix this, any ideas?
I'm not sure if I'm posting this in the correct forum, please move if not.
Re: Help!
23-08-2010 5:14 PM
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Re: Help!
23-08-2010 5:43 PM
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Re: Help!
23-08-2010 5:45 PM
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Sorry not all that techy.
Re: Help!
23-08-2010 6:11 PM
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Re: Help!
23-08-2010 10:08 PM
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Quote from: julesandsand What parameters exactly?
What does it say in the CMD window?
Re: Help!
23-08-2010 11:08 PM
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Your router's IP address will look something like "192.168.1.1" or similar.
If you do see your router's web page, then you at least have a working network connection.
Beyond that you need to check the results of "ipconfig" as "ReedRichards" suggested.
Re: Help!
23-08-2010 11:23 PM
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Re: Help!
23-08-2010 11:49 PM
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A second reason for connecting to your router, and then logging in, it should prove (assuming you have changed the router's password), that the network connection that you think you have, is actually connecting to YOUR OWN network and that you have not spuriously connected onto your neighbours unprotected wireless network instead - which you would not be able to determine from "ipconfig" alone.
And finally (for today !), when you do get around to posting the result of "ipconfig", it would be even more helpful if you actually did "ipconfig /all", as that provides the additional info about the DNS settings - which might be the very thing stopping you getting onto the internet !
Re: Help!
24-08-2010 9:16 AM
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Thanks to both of you.
Re: Help!
24-08-2010 10:53 AM
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If you are interested in now ensuring that you are getting the best DNS performance - and therefore fastest web browsing speed,
If you tell us what your router DNS values are, then I will run those through a DNS speed checker to see how they compare with Google DNS and OpenDNS (which are usually faster than Plusnet's !).
Re: Help!
24-08-2010 11:18 AM
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Re: Help!
24-08-2010 11:22 AM
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Perferred DNS Server : 212.159.6.9
Alternate DNS Server : 212.159.6.10
Re: Help!
24-08-2010 12:16 PM
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So running your numbers against Google DNS and OpenDNS, I get -
and as you can see both Google DNS and OpenDNS are faster than Plusnet.
Of course these numbers do change around depending on the time of day, but generally OpenDNS comes out fastest most of the time, followed closely by Google, and then Plusnet.
So in your router, manually set the DNS's as follows -
Primary DNS (#1) = "8.8.4.4" (Google DNS)
Secondary DNS (#2) = "208.67.220.220" (OpenDNS)
then if you have further DNS settings available then fill them with -
DNS (#3) = "212.159.6.10" (Current Plusnet DNS)
DNS (#4) = "212.159.13.50" (Older Plusnet DNS)
This combination should give better web browsing speed, AND better reliability because you are spreading your DNS over three independent servers rather than relying on one provider.
And before anyone asks, I did also include 8.8.8.8, but the test decided not to show that on the graph as it was deemed a "slower replica of 8.8.4.4" - but not much slower !
Re: Help!
24-08-2010 3:37 PM
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