My new rMBP 13" inch has a exclamation point on the wifi signal, even though i can browse just fine.

Not a major issue,but still one i'd like to solve if possible
Just some background on the machine, i bought it only today, though its a mid 2014 model.
2.8 GHz Intel Core i5, 512GB model.
I don't know what to think, is this a software issue with Yosemite (10.10.1) or a hardware (wifi-card) issue.
Thanks in advance for your answers

The warranty entitles you to complimentary phone support for the first 90 days of ownership.
If you bought the product in the U.S. directly from Apple (not from a reseller), you have 14 days from the date of delivery in which to exchange or return it for a refund. In other countries, the return policy may be different. If you bought from a reseller, its return policy applies.

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My new rMBP 13" inch has a exclamation point on the wifi signal, even though i can browse just fine.

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