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Cant connect due to DNS

post #1 of 8
Thread Starter 
Hey guys , im having a problem with my buddies wireless on a new computer i just built him. He has a wireless router and he just got a D-Link wireless usb adapter for his internet. The problem is that when he tries to connect to chrome it states DNS failure and internet explorer doesnt work either. I have tried having him flush his DNS and also different DNS address ( 8.8.8.8 and so forth ). The funny thing is though is his laptop connects to the internet just fine. Can anyone help me shine some light on this situation , i would be very grateful. Thanks again.
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post #2 of 8
Can he connect via IP? As in, ping the IP of a website using the laptop, and then try using it to connect on the Desktop. If it works via IP, then it is actually a DNS problem. If not, then it's likely a networking problem.

Post back here and we'll continue troubleshooting if necessary.
post #3 of 8
Thread Starter 
He tried the IP and it still dont work , any ideas?
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post #4 of 8
You should uninstall and reinstall the network card drivers. If you have a firewall installed, try disabling it or uninstalling it.
post #5 of 8
This is a long shot, but you haven't set the IP of the wifi card to something already on the network because that would create a conflict and wouldn't allow you to connect.

More then likely though it's a firewall issue or driver problem. Make sure proxy is turned off in IE settings and auto-detect is on as well. Make sure you are using the latest drivers off the website if you can and not the ones that came on the disk. Also see if you can connect it via the Ethernet someway and see if we will work then.
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by hellboy_101 View Post

This is a long shot, but you haven't set the IP of the wifi card to something already on the network because that would create a conflict and wouldn't allow you to connect.
More then likely though it's a firewall issue or driver problem. Make sure proxy is turned off in IE settings and auto-detect is on as well. Make sure you are using the latest drivers off the website if you can and not the ones that came on the disk. Also see if you can connect it via the Ethernet someway and see if we will work then.

To my knowledge the adapter hasnt been set with an IP. I did check those settings and nothing yet , this stinks , this is his first computer and he cant even connect to the internet frown.gif



p.s wired works fine
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post #7 of 8
Does the laptop connect wirelessly?

If he can connect successfully with a wired connection then we know that there is no program-level problem with his computer (i.e. the firewall is configured correctly). The problem must have something to do with the wireless card adapters, the wireless card configuration utility (you never need this, so always uninstall it/just don't install it), or the wireless card itself.

Here are some things that spring to mind:
  • The wireless card is damaged.
  • You are using the wrong SSID/WPA access key
  • Your wireless router is configured with MAC address filtering
  • Your wireless card and router use different radios (a/b/g/n)
  • Your drivers are corrupted
  • Your radio hard button is disable (I don't know if this is possible on a desktop)
  • You are very close to a source of wireless noise
post #8 of 8
Are you actually getting an IP address from DHCP from your router?
Can you ping the default gateway?
Did you even install the NIC driver yet?
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