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Mac and iPad Cannot Browse Internet But Win 7 Can Network Issues

#1 User is offline   StrongEagle 

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Posted 15 March 2013 - 09:48 AM

Folks, here is the situation. My sister in law (SIL) has a Comcast cable connection, which is accessed via the cable modem and a Linksys wifi router.

SIL and husband use a Mac laptop and an iPad to access the internet. For two months now, their internet browsing has been absolutely horrible... websites like CNN or MarketWatch take forever to come up, if they do at all, and usually all pictures are not loaded.

As a side note, the Mac laptop has been direct connected to the cable modem with a cat5 cable with the same exact result.

They have been blaming it on Comcast cable because they can take their iPad and/or Mac to another network (friend or office) and they do not suffer this kind of browsing problem. Comcast has come out three times and they swear the broadband connection is working just fine.

I went over to their house last night and brought my Windows 7 laptop. We fired up browsers (Safari for the iPad and Mac), and Chrome for the Win 7 machine. We all were connected to the internet via the Linksys wifi.

The result: I was able to connect to any and all websites without issue. Meanwhile, they cannot connect to the exact same website. They are able to send/receive email and I was able to open a Skype video conversation which they were able to see without issue.

I had my SIL load Chrome for Mac onto her Mac laptop to see if this was a browser issue. Chrome behaved exactly the same way, that is, SIL could not access the internet.

To summarize:

a) The Mac and iPad browse just fine when using a different network
B) The Mac cannot browse even when hard connected to the cable modem
c) I was able to browse all websites (at high speed) and at the same time, they could not.

I think this eliminates Comcast as the source of the problem, and I think that the hardwire test eliminates issues with the wifi system (as does my ability to connect). But, now I have no idea what the issue might be.

Thoughts, anyone?

TIA

This post has been edited by StrongEagle: 15 March 2013 - 10:18 AM

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#2 User is offline   smax013 

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Posted 16 March 2013 - 04:23 PM

I am assuming you have, but

Have you tried resetting the router and modem (i.e. power off for a few minutes and power back up)? More than likely this was at least done when Comcast came out.



The other things to check:

Check the network settings on both the Mac and iPad to make sure they are getting a proper IP address and/or there are no strange proxy settings. This may not be a problems since it seems that they can send/receive email.

Also check the DNS servers list in the Mac and on the iPad. It is possible that they are not getting a proper address for Comcast's DNS servers. To test this, try a direct IP address for a website and see if they can get to that website from the IP address. For example, http://74.125.225.32/ should get you Google.
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#3 User is offline   bastion 

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Posted 17 March 2013 - 04:06 AM

View PostStrongEagle, on 15 March 2013 - 09:48 AM, said:

Folks, here is the situation. My sister in law (SIL) has a Comcast cable connection, which is accessed via the cable modem and a Linksys wifi router.

SIL and husband use a Mac laptop and an iPad to access the internet. For two months now, their internet browsing has been absolutely horrible... websites like CNN or MarketWatch take forever to come up, if they do at all, and usually all pictures are not loaded.

As a side note, the Mac laptop has been direct connected to the cable modem with a cat5 cable with the same exact result.

They have been blaming it on Comcast cable because they can take their iPad and/or Mac to another network (friend or office) and they do not suffer this kind of browsing problem. Comcast has come out three times and they swear the broadband connection is working just fine.

I went over to their house last night and brought my Windows 7 laptop. We fired up browsers (Safari for the iPad and Mac), and Chrome for the Win 7 machine. We all were connected to the internet via the Linksys wifi.

The result: I was able to connect to any and all websites without issue. Meanwhile, they cannot connect to the exact same website. They are able to send/receive email and I was able to open a Skype video conversation which they were able to see without issue.

I had my SIL load Chrome for Mac onto her Mac laptop to see if this was a browser issue. Chrome behaved exactly the same way, that is, SIL could not access the internet.

To summarize:

a) The Mac and iPad browse just fine when using a different network
B) The Mac cannot browse even when hard connected to the cable modem
c) I was able to browse all websites (at high speed) and at the same time, they could not.

I think this eliminates Comcast as the source of the problem, and I think that the hardwire test eliminates issues with the wifi system (as does my ability to connect). But, now I have no idea what the issue might be.

Thoughts, anyone?

TIA


In addition to the other poster's suggestions, confirm that they're connected to the WiFi network they think they are. What you're describing could be the result of unintentionally linking up to a neighbor's network. This could even be the case when the hard-wired connection was tried, if the machine is configured to prioritize WiFi over Ethernet.
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