Can't Really Make A Video; But I hope This Is Easy To understand.
-Make sure you have no unnecessary programs running.
-Scan your computer for viruses, Sometimes these put strain on our connection.
-Delete Temporary Internet Files, Via CCleaner
Piriform - Download CCleaner, Defraggler, Recuva, Speccy - Millions of users worldwide!
- Download and Use "Tune up Utilities" to Optimize Your System
TuneUp Utilities 2010 - Download
-Also, If you're using wireless it may be due to signal strength, It isn't always 100% Consistent.
- If you share your connection, Make sure they are not on or are limited in their use when you are playing.