Macbook pro connected to network but no internet connection

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Macbook pro connected to network but no internet connection

Hey all,

i have a Macbook pro, running on OS X 10.6.8,

i made a software update, where a java update was made, an HP printer update, a Itunes ipdate and a Macbook Pro SMC firmware update 1.6.

Since then, i cant connect to the internet.

I ran network diagnostics and it says "your connection appears to be working correctly".

Same if i plug in the Lan-cable to my laptop.

Network diagnostics says that my internet is running correctly, but no browser or any other program can connect to the internet.

tried it at 2 different location (home and work) and nothing works. Other laptops have internet connection through the same router and wifi.

restarted router and wifi, did not help

restarted wifiAirport multiple times, wont help,

restarted Laptop multiple times, wont help.

renewed DHCP, and IP adress, i get a new ip adress, and it says im connected but it wont work.

any other ideas?

MacBook Pro (13-inch Mid 2010), Mac OS X (10.6.8)

Posted on Feb 9, 2013 4:18 AM

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Answer 1

sig

Level 8

35,862 points

Feb 9, 2013 4:33 AM in response to emanuel s

Power cycle, modem, router and MBP.

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Answer 2

emanuel s Author

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Feb 9, 2013 4:36 AM in response to sig

hey,

not sure what you mean.

i had the MBP plugged in and out at various times if thats what you mean. restarted modem and router multiple times and tried it at 2 different networks which bothwork just fine for other devices...

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Answer 3

emanuel s Author

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Feb 9, 2013 4:44 AM in response to emanuel s

hey, i also tried to ping google and this is what i got:

10 packets transmitted, 10 packtes received, 0.0% packet lost

round-trip min/avg/max/stddev =33.207/36.792/41.384/2.259 ms

so i guess that means i can ping a website but i cant get an internet connection??

what else is there i can do?

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Answer 4

emanuel s Author

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Feb 9, 2013 9:00 AM in response to emanuel s

hey, i also read somewhere to try to make a telnet connection and tried the following:

telnet www.google.com

and the answer was:

telnet: connect to address 173.194.44.48: connection refused

what does that mean?

can anyone help me with this?

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Answer 5

Feb 9, 2013 9:47 AM in response to emanuel s

That doesn't mean anything. You can't telnet to google. lol

The ping you did above shows you that Internet access and DNS is working fine. If it wasn't, you wouldn't be able to get replies. This means that the problem is with your browser. Open up Safari and hit Safari/Reset Safari under it's menu. See if that works to solve your issue. If it doesn't, then it's a plugin or something else (maybe Proxy changes, etc.) which could be causing this. One option you have to test is if the reset doesn't fix it, install another browser (you'll need to download the dmg via another PC and install it on the mac from a memory stick or something) and see if a 3rd party browser works.

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Answer 6

emanuel s Author

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Feb 9, 2013 9:53 AM in response to emanuel s

hey,

thanks for the tip, but it did not work. reseted safari, but still wont connect.

ping still works

i also have chrome installed, and it cant connect either, neither can skype, or google drive, or any other app that tries to connect to the internet.

could it be an OS problem?

if so, how could i handle it?

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Answer 7

Feb 9, 2013 9:57 AM in response to emanuel s

Click on your WIFI network connection next to your clock and pick Open Network Preferences. Then when the next screen comes up, click on Advanced and then Proxies. Make sure everything is unchecked there. If they were already unchecked and it still doesn't work, then something is messing with your browsers on that system. It would take an OS reload or other file manipulation to restore the function. The fact that ping still works indicates that this isn't really a networking issue.

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Answer 8

emanuel s Author

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Feb 9, 2013 10:02 AM in response to emanuel s

hi,

thanks, but proxies are all unchecked.

how would i do an OS reload?

im getting really frustrated by this, since it just appeared after the update and now ive been experimenting around for hours and nothing seems to work...

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Answer 9

Feb 9, 2013 4:41 PM in response to emanuel s

Reload the OS from your original media. Either DVD or memory stick, whatever was provided to you when you bought the system.

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Answer 10

emanuel s Author

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Feb 11, 2013 1:46 AM in response to emanuel s

ok, so, i called the apple support and ifound out what it was...

peer guardian was blocking my internet connection somehow... no idea how it did that, or why it just started doing it, but now that its not starting anymore, it works again...

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