Problem with switch and LAN

[rider15]

Hi guys i am new here but i need your help,here is my situation ,i am using wireless internet and i am connected to my ISP ap over Mikrotik 5GHz antena problem is,3 day's ago everything worked fine but i disconnected my antena and switch from power and now i can't connect to internet over switch and before i could do that,now i connect my antena and switch and LED light's on switch are blinking normal ,but when i try to connect my computer and switch i get error something like"Unidentified network,and LAN dosen't have valid ip configuration,i don't have ip address from and i should obtain ip address automatically,do i need to reinstall my drivers of network card can u please help me sorry for my bad english,what i need to do to have internet again over switch so here is some photos .

 

[rider15]

Please can anyone help me ?

 

[Lunarpancake]

it sounds like your pc is unable to get an ip address from your router. When you are talking about switch do you actually mean router? Many routers nowadays have 4 or 5 switch ports built in to them so consumers do not need to purchase a seperate switch.

 

[rider15]

it sounds like your pc is unable to get an ip address from your router. When you are talking about switch do you actually mean router? Many routers nowadays have 4 or 5 switch ports built in to them so consumers do not need to purchase a seperate switch.

That i also thinks it is my problem,no i have outdor antena ,and from that antena network cable is going to my POE adapter,and from lan i should connect my switch and antena POE adapter together,but i don't realize how 2-3 days ago everything worked fine and know something is wrong,what could be the problem please help me what to do :