Low speed of network is an annoying problem. The following are some common reasons of this problem and I hope it will help you.
1. The problem of network itself.
The server bandwidth of the destination website which you want to view is insufficient or overloaded. The solution in many cases is to simply get on-line again later or change another destination website.
2. The impact of Blaster worm slows down the network speed
The influence of worm-type virus spreaded by email is increasingly serious and harmful to our computers.
This kind of virus will lead to the problem of the infected users keep sending E-mails ceaselessly. It sends E-mail by attaching random documents to each electronic mail which will be sent to random address of the user's address book.
Thousands of junk e-mails are sent out in procession, but some of them are returned then accumulate on the server which may result in considerable congestion of main network, obviously slow network speed even network meltdown.
Therefore, we should upgrade antivirus program to the latest version, patch the systems, disable the unnecessary services and close unwanted ports to improve the security and reliability of the system.
3. The overuse of firewall
The overuse of firewall also can lead to slow-speed network. It is needless to say more about the treating method. But uninstall the unnecessary firewalls and keep the one which are of powerful and practical uses will be enough.
4. Insufficiency of system resource
You might have launched too many applications and ran them in the background. I suggest that you load the software reasonably or delete the useless programs and documents to free disk space to improve the network speed.
5. The Long-term use of internet facility might lead to the slow-speed of network
The solution in many cases is to simply reboot the internet facility directly, or shut it down for 10 minutes and then turn it on again.
6. The wire's problem of the network
If the causes above are not the reasons, the wire might be the problem. So, you should change your wires of the network.
The causes of slowing speed are complex, so if you can't find a solution from all that mention above, I am afraid that you had better reinstall the operating system.
Source : goarticles by nika
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