Macbook pro fails to auto connect Internet after rebooting wifi router

My macbook pro with retina can’t automatically connect to wifi after the wifi router was rebooted.
There is exclamation mark on wifi sign. As the picture shows, when I clicked the wifi sign, it shows no Internet connection. However, It is strange there is a tick in front of my wifi name. Moreover, in preference set, it shows a confused self-assigned IP address 169.254…(showed in picture). In order to use wifi, I had to turn wifi off, and then turn it on. And the correct IP address for my mac should be 192… (showed in picture).
I had tried to delete my preferred networks and tested macbook in my friend’s home, but it still failed. This bug happens in my friend’s macbook pro with retina (same to mine) and macbook air. However, the previous version, Macbook pro (not retina), has no this problem.
This happened just when I reboot the router. It is normal working (connect automatically) when I come back home. Appreciating for any way to solve it!

I have no clue of what an Airport antenna is either. I know my Airport Extreme does not have one.
Try the basics first:
Change your router channel number. Most times this works & is all you have to do.
Disconnect & reconnect your modem. unplug it for about 10 seconds. Plug it back in. Do the same for Apple’s routers. Wait for everything to reboot.
System Preferences>Network
Click the Assist Me button.
In the next window that pops up, click the Diagnostic button & do the necessary.
Research Knowledge Base for network problems that pertain to the OS that is currently installed on your computer. See these basic networking KB Articles: http://support.apple.com/kb/HT1401 AirPort troubleshooting guide
http://support.apple.com/kb/HT2712 Using network locations in Mac OS X
Manually provided DNS server addresses are higher priority than DHCP's
http://support.apple.com/kb/HT1714 Solutions for connecting to the Internet, setting up a small network, and troubleshooting
============================
What to do when you can't connect to the Internet
Also, run the Airport Utility app which is located inside the Utilities folder.
=====================
If using a Linksys router, contact LinkSys Customer Support and/or post in their forums.
If using Apple's Airport, please re-post over in one of the AirPort Forums.

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My macbook pro with retina can’t automatically connect to wifi after the wifi router was rebooted. There is exclamation mark on wifi sign. As I clicked the wifi sign, it shows no Internet connects. However, It is strange there is a tick in front of my wifi name. In order to use wifi, I had to click off wifi, and then click on. The previous version, Macbook pro, has no problem like this. I had deleted all files under wifi library, but still fail. Appreciating for any way to solve it!

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Message was edited by: erockdabass
Message was edited by: erockdabass

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See KB Articles: http://support.apple.com/kb/HT1401 AirPort troubleshooting guide
http://support.apple.com/kb/HT2712 Using network locations in Mac OS X
============================
System Preferences>Network
Click the Assist Me button.
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Also, run the Airport Utility app which is located inside the Utilities folder.
=====================
If using Linsys router contact LinkSys Customer Support and/or post in their forums.
If using Apple's Airport, please re-post over in one of the AirPort Forums.

Macbook pro fails to auto connect Internet after rebooting wifi router

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