Frequently web connection problems can be traced to a corrupted DNS cache. Flushing this cache is an easy fix to many of these problems. This is how to flush the cache in Windows 7, and Windows 8 , Widnwos 10
Here is how to fix that corrupted DNS cache.
1. Click the Microsoft Windows 7 Start logo in the bottom left corner of the screen
2. Click All Programs
3. Click Accessories
4. RIGHT-click on Command Prompt
5. Select Run As Administrator
6. In the command window type the following and then hit enter: ipconfig /flushdns
7. You will see the following confirmation:
2. Click All Programs
3. Click Accessories
4. RIGHT-click on Command Prompt
5. Select Run As Administrator
6. In the command window type the following and then hit enter: ipconfig /flushdns
7. You will see the following confirmation:
Windows IP Configuration Successfully flushed the DNS Resolver Cache.