Suddenly no internet connection

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J

JimIsHere

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Jun 18, 2017
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Recently my pc's internet connection stoped working with the error unidentified network.However all my other devices connect to the internet fine so i intially thought it was my pc's problem.

Here is what i have tried:

1.Used netsh commands
2.Opened the network diagnostic tool which gave me the error ''Ethernet 2" doesnt have a valid ip configuration
3.Updated my network adapter drivers
4.Manually set the ipv4 adress
5.Rebooted my pc and my router countless times
6.Set fast startup off from power options
7.Stopped and restarted network services
8.Reset the router to its factory settings
9.Connected my pc and router with ethernet cable
10.Reinstalled my network adapter
11.Disabled ipv6
12.Scanned for viruses and deleted them
13.Updated my router's firmware
14.Switched ethernet cables
15.Tried ipconfig/release ipconfig /renew but it couldnt renew it saying that dchp server cannot be reached

So far nothing worked.Any help would be appreciated.

My ipconfig:
Ethernet adapter Ethernet 2:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GbE Family Controller
Physical Address. . . . . . . . . : 1C-1B-0D-5D-EE-DB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::24e7:c56a:dc6c:8331%14(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.131.49(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 152836877
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-22-79-5F-61-1C-1B-0D-5D-EE-DB
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled
 
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Are you familiar with static IP addresses ? you can try as a test to give it valid static IP address for your network, the 169.254.131.49 is an auto IP address like the PC is not getting a DHCP IP address from your router. You may also trying disconnecting one device and see if your PC picks up that IP address (if your our of addresses for some reason).
 
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I have just tried disconnecting a device and using that ip adress.Did not work.As for the ip adress it was like that because i have set ipv4 to obtain adress automatic
 
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Yes when you configure a PC to receive a DHCP ip address and the PC for some reason is unable to pull one back it will instead issue it's self a 169.254.X.X IP address. You should try to configure a test static IP address just to see if that restores your access. Your personal network is probably 192.168.X.X so just look at the IP address (gateway and subnet as well) of another device and set that IP address and see if your able to access the internet.
 
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Sorry for the late response but it was very late in my timezone.I have already assigned a static adress a lot of times but it didnt work so i set it back to automatic
 
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Try things at a very basic level.

Hard code the ip address,gateway etc. This way you eliminate the DHCP as the issue.

When it fails see if you can ping the gateway ip address....which should be your router.

Even if that fails then issue ARP -a

You can then issues arp -d * Then issue the ping command again. What you are trying to do is see if you get a arp entry back.

If you get anything back at all it means the nic is functioning at a very basic level. If not then it is likely some hardware issue or maybe a driver
 
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I believe my pc is the problem.It may be a hardware issue or something like that.I will do a fresh istall or a system repair to see if the problem still presists
 
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