I have a desktop that is connected wireless to a router that is in my living room downstairs. I have 4/5 bars of connection but my bytes sent is always laughingly lower than received and I am often stuck not able to use the internet. When I try to diagnose most of the time I receive a message saying my DNS server is not responding, so I disable and re-do my connection with little success. What can I do do fix this issue? I know a little about computers but would need to be told what specifically to do to fix the issue. Thank you!