Slow (or null) navigation and poor Wi-Fi signal

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alanps

alanps

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Nov 27, 2013
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Since a few days ago I'm experiencing slow internet navigation in the PC with Windows 7 x64 connected by cable to my modem-router provided by "FiberTel 30 mb".
Also, WiFi signal is really poor. If I'm near to the router with my notebook or smartphone I can connect to it, but navigation or internet access is null (literally).

I tried, with my humble knowledge, to track the issue regarding software and everything else in the cable-connected computer.
With my firewall called "COMODO" I can see that I have a few connections ESTABLISHED and some LISTENING (or something like that), but with no too much traffic, I think.
Same in CMD with "netstat -n" command.

(click to enlarge)

t1ex.png

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I already contacted my internet provider and they told me that there can't be any "ESTABLISHED" connections in "netstat -n" because that would mean that there's a "bottle-neck" in the network and connections can be malicious blabla. I told them that I monitor connections with a firewall and connections are from Google Chrome, NVIDIA, Avast antivirus and TeamViewer.

Still I tried to kill them from COMODO firewall and, even when connections disappeared from the monitor, the connections' processes still appear in the tab "PROCESSES" of task manager.
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Someone PLEASE, tell me how can I test my connection and if there's any chance that this problem is caused by my software.
Navigation IS REALLY SLOW, Facebook and YouTube don't work properly.
Downloads and uploads speeds are working fine anyway, don't know why but test speed results are correct when testing near my location and in my internet provider's server:
3569787709.png

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30 mbps download speed
1 mbps upload speed
PC specs:
qe4l.png


Thank you everybody.
 
Solution
H
your isp is incorrect in regards to your netstat connections. it is normal to have established connections. of course it's always possible that one or some of them may be a TCP connection that is from malware, but it's still normal to have TCP connections showing in netstat.

in regards to your issue, focus first on your Wi-Fi signal. your wifi signal should be addressed first. nothing on your computer, infected or not, will degrade your wifi signal. the signal is layer 1 and is a physical problem.

download a wifi analyzer onto your smartphone and check out the wireless networks around you. my biggest suspicion is someone installed a new wireless network in your area and is using the same channel as you. changing your wireless channel...
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humangod

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Jun 17, 2014
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your isp is incorrect in regards to your netstat connections. it is normal to have established connections. of course it's always possible that one or some of them may be a TCP connection that is from malware, but it's still normal to have TCP connections showing in netstat.

in regards to your issue, focus first on your Wi-Fi signal. your wifi signal should be addressed first. nothing on your computer, infected or not, will degrade your wifi signal. the signal is layer 1 and is a physical problem.

download a wifi analyzer onto your smartphone and check out the wireless networks around you. my biggest suspicion is someone installed a new wireless network in your area and is using the same channel as you. changing your wireless channel will fix this problem if what i suspect is true. use your wireless analyzer to see what other wireless networks are in your area. this will also tell you what channels they are using. pick a new channel that has the least amount of traffic/networks on that channel. this is done on your wireless router/access point.

and as a tip, try your hardest to use only channels 1, 6 or 11. those are the best channels to use as they have no overlap with each other.

if you cannot get your hands on a wifi analyzer, just try changing your wireless channel to one of the above channels. cycle through them until you find the one with the strongest signal.
 
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alanps

alanps

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Nov 27, 2013
268
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10,790

What you mean with the "signal is layer 1 and is a physical problem", where can I see which is the signal layer and how to solve it?

I already check the others wireless neworks' channels around me. I was using CHANNEL 11 when I had the problem (no one was using same channel), now I'm using CHANNEL 6 just to try and signal improve a bit, not too much though.

This is NOW. Better signal in CHANNEL 6 instead of 11, but another network is using it. Slow navigation improved a bit too.

According to this channel guide, it would be better to use CHANNEL 11 than 6, but still CHANNEL 11 is working worst than 6 for me.
canales.jpg
 
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humangod

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Jun 17, 2014
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Layer 1 refers to the OSI model. Your signal strength is directly related to layer 1 of the OSI model.

Have you tried channel 1? Whatever guide told you that channel 1 is best is wrong. The channel that is best is the one that provides you with the best signal. None of the channels have an advantage over the others, except channels 1 6 and 11. Those are the best to use because they do not over lap with each other and have the least amount of overlap with other channels.

If you haven't tried channel 1 yet, try it.
 
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