Mac mini midle 2011 no network reconect

Hi, When I need reset my ADSL router, the mac mini apear connected to network (cable based-ethernet port to router) but safari tell me there is not connected to internet.
My mac mini network configuration is:   IP: static   the rest of parameters I think are configured correctly. address mask, dns,....
I need restart the mac mini to gain internet access., I trie solve problem button but is not posible to connect to internet.
The OSX versison:  Mountain lion 10.8.2
Any Idea??

Hi, this has worked for a few...
Make a New Location, Using network locations in Mac OS X ...
http://support.apple.com/kb/HT2712
10.7 & 10.8…
System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name.
10.5.x/10.6.x/10.7.x instructions...
System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.
The interface that connects to the Internet should be dragged to the top of the list.
10.4 instructions...
Is that Interface dragged to the top of Network>Show:>Network Port Configurations.
If using Wifi/Airport...
Instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. Fill in everything as needed.
For 10.5/10.6/10.7/10.8, System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add these numbers...
208.67.222.222
208.67.220.220
Click OK.

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    1.1
    1.2
    1.3
    1.4
    2.0
    Date initially released
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    May 20, 2004
    August 8, 2005
    June 22, 2006
    May 28, 2009
    September 12, 2013
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    165
    165
    340
    340[109]
    600
    Maximum TMDS throughput per channel (Gbit/s) including 8b/10b overhead
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    1.65
    1.65
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    4.95
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    Maximum throughput (Gbit/s) with 8b/10b overhead removed
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    3.96
    3.96
    8.16
    8.16
    14.4
    Maximum audio throughput (Mbit/s)
    36.86
    36.86
    36.86
    36.86
    36.86
    Maximum color depth (bit/px)
    24
    24
    24
    48[a]
    48
    Maximum resolution over single link at 24-bit/px[b]
    1920×1200p60
    1920×1200p60
    1920×1200p60
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    4096×2160p60
    Maximum resolution over single link at 30-bit/px[c]
    N/A
    N/A
    N/A
    2560×1600p60
    4096×2160p24
    Maximum resolution over single link at 36-bit/px[d]
    N/A
    N/A
    N/A
    1920×1200p75
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    Maximum resolution over single link at 48-bit/px[e]
    N/A
    N/A
    N/A
    1920×1200p60
    1920×1200p60
    Maximum 3D resolution (using a full resolution 3D format) over single link at 24-bit/px
    N/A
    N/A
    N/A
    N/A
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