ipv4 Autoconfiguration Problem Solved

Sometimes you are not able to connect to a network because your autoconfiguration ipv4 settings gets open which causes computer to take automatic ip instead of yours.
To solve this problem follow these simple steps:
1)Open cmd
2)type “netsh interface ipv4 show interface”
3)An output comes
Idx  Met  MTU                     STATE                  NAME
1      50 4294967295 connected   Loopback Pseudo-Interface 1
12      30   1500                 connected         Local Area  Connecton
4)find which is your network card ldx number,here it is 12
5)type netsh interface ipv4 set interface 12(For my case since my network card ldx number was 12 as found in previous step)  dadtransmits=0 store=persistent
6)Done