Computer failure: Internet speed is slow or unable to access the Internet, opening or closing web pages is slow.
Troubleshooting includes hardware, network card, slow network speed, viruses and other reasons. This is usually caused by incompatibility between computer program software or plug-ins and the system. The solution is as follows:
1. Open IE and select Tools/Manage Add-ons. Check whether there are any plug-ins downloaded before the failure. If so, set them to disabled;
2. Use the system restore that comes with the system to restore to the time when there was no Internet failure;
If you frequently use IE to surf the Internet, you may encounter Trojan viruses or malware that cause IE to malfunction. If you are using Windows XP SP2 operating system, you can try the following methods to quickly solve the problem: open the run window and enter the command:
%ProgramFiles%\Internet Explorer\iexplore.exe/rereg (including English double quotes), press Enter and run to re-register all components of IE and completely reset the IE browser.
Several reasons for slow network speed:
1. Problems with the network itself (insufficient bandwidth of the server or excessive load) 2. Problems with the network cable causing the network speed to slow down (the twisted pair cable is substandard, which manifests itself as follows: One situation is that the network speed is very slow at the beginning of use; Another situation is that the network speed is normal at first, but after a period of time, the network speed slows down) 3. There are loops in the network causing the network speed to slow down 4. Broadcast storms caused by network equipment hardware failures cause the network speed to slow down 5. A certain port in the network forms a bottleneck, causing the network speed to slow down. 6. The influence of worms causes the network speed to slow down. 7. Excessive use of firewalls. 8. Insufficient system resources.
Slow network speed may be caused by the above reasons. It is recommended to clean up junk computer processes, optimize the system, and check for Trojans.
Solution:
1. Please change the time period or change the target website. 2. Check whether the twisted pair is qualified. 3. Use the method of step-by-step troubleshooting to eliminate circuit faults. 4. Use the “Ping” command under DOS to test the computers involved one by one. Network cards, hubs and switches are the most likely devices to malfunction and cause network speed to slow down. 5. Change the server network card to 100M or 1000M, install multiple network cards, divide multiple VLANs, change the router configuration to increase bandwidth, etc. 6. The anti-virus software used must be upgraded in a timely manner; the computer must also be upgraded in a timely manner, install system patches, uninstall unnecessary services, and close unnecessary ports to improve the security and reliability of the system.
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