I have a Dell i7559 with a 4k display,16gigs of RAM, GTX960m card. My laptop has 3 USB 3.0 ports. The left side has 2 of the 3 ports. So the second port on the left  has a metal casing around the entry which prevents insertion of an USB. Can someone help me identify what's wrong with that port?   *All the ports are same* *And the other 2 ports works fine*
Here's the link to the picture of the port.
https://imgur.com/a/2qzVs
 
Thanks!
				
			Here's the link to the picture of the port.
https://imgur.com/a/2qzVs
Thanks!

 
				
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		
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