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After updateing to Mavericks i noticed my Wifi is greyed out with and exclamation saying ALERT: No internet. Funny thing is i can connect and have full conectivity.After running the WIFI diognostic tool, the result was my internet is fine and working properly the Wifi still remains Grey with an Exclamation Mark. Any Advice would be appreciated.
MacBook Pro, OS X Mavericks (10.9)
Try restarting your Mac.
Similar issue happened with Snow Leoaprd > http://support.apple.com/kb/TS3611
Open AirPort Utility located in HD > Applications > Utilities
Select the base station then click Edit
Select the Wireless tab.
Type in the Wi-Fi password then type in again to Verify then click Update.
Try restarting your Mac.
Similar issue happened with Snow Leoaprd > http://support.apple.com/kb/TS3611
Open AirPort Utility located in HD > Applications > Utilities
Select the base station then click Edit
Select the Wireless tab.
Type in the Wi-Fi password then type in again to Verify then click Update.
I have restarted the Macbook Pro: Problem still there
I reset the Dlink router and deleted the connection, reastablished a new one, i am connected but still the mac shows an exclamation mark through the wifi.
Wierd!
Same issue here. Couldn't solve it using AirPort Utility, I do not use air port express or something, but a no name router my ISP provided...
Air Port Utility just shows Internet with green point beside - not possible to "Edit"
This worked for me:
wifiguru wrote:
Backup these 2 files:
/Library/Preferences/SystemConfiguration/NetworkInterfaces.plist
/Library/Preferences/SystemConfiguration/preferences.plist
Then delete these 2 files and reboot. If you upload these 2 files someplace I can take a look if something was wrong in there.
I did as you said and now it works just fine now
Thanks again for that advice
It worked for me also the solution of wifiguru!
Thanks a lot!
Thanks guys, I just did it....solved the issue....
I'm having this problem also on a MacBook Air 2012 model.
I tried to follow wifiguru's solution but am having difficulty locating the files, any help?
Have you tried the path suggested by wifiguru?
I have found the files and followed the instructions and it's solved my problem 🙂 Thank you!
Worked for me +1 Karma !
This worked for me also, thanks very much. However, just in case anyone doesn't know how to back up the files here are the complete steps:
Open Launchpad -> Other -> Terminal
In the terminal window type in:
cd /Library/Preferences/SystemConfiguration
sudo mv NetworkInterfaces.plist NetworkInterfaces.plist.orig
sudo mv preferences.plist preferences.plist.orig
If prompted for a password when entering the sudo commands, just enter your computer password. When completed reboot your computer.
Thanks again for posting the solution.
I tried the same but it didn't help!
Is there any other solution to this problem?
How do you 'backup' those files? I am familiar with time machine and how to 'backup' all of my files on my computer but I don't understand how to do what you are asking. Can you help me?
You might want to consider starting a new discussion. Since this one is marked solved, less people are likely to look at it. You can link to this one.
Wifi Greyed out with exclamation mark, but wifi still works !! after Mavericks upgrade.
