In today's world, life without internet is horrible. Our lives have been so much dependent on internet that we can not go without it for an hour. Internet is being used in various ways, on mobile devices, through LAN cables etc. Among these is Wi Fi connection which removes the usage of wires for internet connection.
1) Reset TCP/IP
i) Open Command Prompt as administrator by pressing Windows Key + X and choose Command Prompt (Admin) from the menu.
ii) Enter the following lines in command prompt:
-> netsh winsock reset
-> netsh int ip reset
iii) Close Command Prompt and restart your PC.
This solution has been helpful to most users having issue with IP configuration problem, but if you are using static IP address then you’ll have to set it again. In case, the previous commands didn’t work, you might want to try following commands as well:
2) Change wireless SSID and password
This "Wi fi does not have valid IP" issue can also be corrected by changing the wireless SSID and password.
i) Connect you PC with you modem through Ethernet cable.
ii) Access your modem and change its SSID and password.
Note: If you do not know how to change SSID and password, it is strongly recommended to check your modem's manual.
3) Set the channel width to Auto
i) Navigate to Network Connection by pressing Windows Key + X and select 'Network Connections' from the menu.
ii) Now right click on your wireless connection and choose 'Properties' from the menu.
iii) Then click the Configure button and go to the Advanced tab.
iv) Locate 802.11n Channel Width for band 2.4 and set it to Auto.
v) Click OK to save changes.
4) Set your IP address manually
Whenever you connect to wireless network you are basically giving an IP address and this work is done by DHCP. Sometimes IP configuration error is encountered when there is an issue with DHCP.
i) Press Windows Key + X and choose Network Connections.
ii) Right click your wireless network and choose Properties from the menu.
iii) Select Internet Protocol Version 4 (TCP/IPv4) and click the Properties button.
iv) When Properties window opens, select the 'Use the following IP address' option and enter the 'IP address', 'Subnet mask' and 'Default gateway' (use google's public DNS).
v) After you’re done, click the OK button.
Alternatively, access your router and turn off DHCP. Configure it for assigning a static IP address to your PC.
Issues with Wi-Fi IP configuration can prevent one from accessing the Internet, but we hope that one of these solutions have been helpful to you in fixing your issue.
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