By default, a user should have the IP and the DNS server addresses assigned automatically. However, some forms of malware can modify these settings and the user will see random IP and DNS server addresses.
In such cases, it is necessary to change the TCP/IP settings, by following the steps detailed below:
1. Access Network Connections.
For Windows 10 users:
• Click on the Windows logo in the lower left corner of the screen.
• Type View network connections, and then select View network connections.
For Windows 8/8.1 users:
• Select the start button.
• Type View network connections, and then select View network connections.
For Windows 7 users:
• Click on the Start button and select Control Panel.
• In the search box situated in the supper right corner of the windows, type adapter.
• After that, select View network connections, situated under Network and Sharing Center.
2. Right-click on the connection that you wish to modify and select Properties.
NOTE: In some cases, it is necessary to provide an administrator password or confirmation. If so, simply type the password or provide confirmation.
3. In the Networking tab, under This connection uses the following items, click on Internet Protocol Version 4 (TCP/IPv4).
4. Click on Properties.
NOTE: Do not uncheck the box next to Internet Protocol Version 4 (TCP/IPv4).
5. Remove any unknown IP addresses, subnet masks, default gateways and DNS servers.
6. Click on Obtain an IP address automatically.
7. Click on Obtain DNS server address automatically.
8. Click on OK.
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Editor by : BEST Antivirus KBS Team