I hope I can help you:
One: the virus will slow down the computer.
There are two mechanisms: first, after the virus invades, it occupies the memory first, and then based on this, it begins to copy itself endlessly in the memory. As it gets bigger and bigger, it quickly takes up a lot of memory in the system, resulting in the normal program running slowly or even unable to start because of insufficient main memory; Second, because the virus program forces the CPU to execute useless junk programs, the system is always in a busy state, which affects the operation of normal programs and causes the computer to slow down.
Solution: You can use advanced antivirus software, such as Norton, Jiang Min and Kingsoft Internet Security. Monitor system operation (including network status) at any time. Once the virus is found, it will immediately call the police and automatically kill the virus. Since new viruses are born every day, we should also pay attention to upgrading anti-virus software frequently.
Two: the Windows operating system has become huge.
With your daily operation, installing new software, loading runtime, etc., it becomes bigger. More importantly, not only its directory, but also its registry and runtime become bigger. Because even if a program is deleted, the DLL file it uses will still exist. Therefore, with the long-term use, the DLL files that need to be loaded when Windows starts and exits are getting bigger and bigger, and the running speed of the natural system is getting slower and slower.
Solution: Try not to install too many infrequently used software, and do not install and uninstall software frequently. When uninstalling the software, try to delete the DLL files owned by the software.
Three: Later, new hardware or external equipment was installed.
When new hardware devices or external devices are added to the computer, windows will detect these devices at startup and load the programs required by these devices, thus slowing down the running speed of the system.
Solution: Do not connect devices that are not commonly used or temporarily used to the computer, such as "mobile hard disk".
Fourth: When our operating system has installed the real-time virus checking tool.
In order to avoid virus invasion, we installed an instant virus checking tool. When we run some programs, the real-time virus checking tool will scan these programs or software, thus reducing the running speed of the software. Because new viruses are often produced, the program that indexes real-time virus check will constantly update the virus database in order to detect and prevent more viruses. Therefore, when a new virus database is updated, the real-time virus checker will extend the detection time accordingly.
Five: Insufficient memory.
One advantage of Windows operating system is multi-line and multi-task. The system can use CPU for time-sharing operation, so that you can do many things at the same time. But there are advantages and disadvantages, and multitasking will also put forward higher requirements for your machine. If too many applications are opened at the same time, even if the memory is too large, the main memory of the system will be in a hurry and the system resources will be exhausted, thus slowing down the running speed of the programs and even causing the system to crash.
Solution: Install more memory.
Six: The hard disk has too little remaining space or too many fragments.
When we often install and uninstall software in the computer, make or delete files. At this time, the data arrangement in the computer hard disk will be intermittent or very scattered. In this way, due to the discontinuity and dispersion of data, the speed of computer searching data will be very slow.
Solution: Clean up useless files frequently, and defragment the disk after cleaning.
2. Look at the video card to see the download speed.
Hello, landlord, this situation has happened to many people. This is normal. Get to know the knowledge of bandwidth first. ：
The ratio of bandwidth to download speed is bandwidth /8= download speed. If the bandwidth is 4M, the download speed is 4M/8=500K.
Of course, this is only a theoretical value.
The first network speed is related to the peak time you enjoy surfing the Internet and your computer settings.
The second download is also related to the downloaded resources, and the node between playing a web game or opening a web page and visiting the server site of the website is related.
Therefore, for different resources, the landlord may download them faster, because the downloaded server is close to your local network node or has enough bandwidth. And watching video resources may be the problem of the other party's video resources. So, this may be your force majeure factor.
3. What if the download speed is so slow?
Hello, I'm glad to answer your question. I hope it helps you.
There are several reasons for the slow download speed. 1 is due to insufficient resources for downloading programs or software, resulting in slow download speed. There is no good way, you need to download software (such as Thunder) to find resources automatically. It is recommended to register as a member. Generally, downloading software will give priority to members, such as Thunder. That's what Thunder users do. The resources needed for downloading are given priority to members and members. Second, it is recommended not to download three systems during the peak network hours. It is recommended to completely disinfect (less likely). Fourth, the downloaded software version is too low. It is recommended to upgrade or automatically update the download software of five computers online. The reason is that too many programs occupy network resources and shut down some unnecessary services. There is too much garbage in the six-machine subsystem, and seven CPUs or other hardware need to be cleaned up. It is recommended to clean up the dust and pay attention to heat dissipation. 8. Due to the problem of downloading software settings, the download speed is limited. -Fly ~ ⊙ ⊙ ~-Plagiarism is shameful.
4. What should I do if the computer download is not fast?
1, open a website server with too much traffic, and its server will feel slow because of too much traffic.
2. There are too many applications open on the computer, such as watching movies while downloading, and the network speed will of course be slow;
3, the computer browser cache is too much to clean up, because the data is saved on your computer after the webpage is opened online, so it is necessary to clean up the cache regularly after opening too much;
4. There is Trojan virus in the computer, and Trojan virus will download more Trojan viruses to your computer crazily on the Internet, occupying your broadband and achieving the purpose of controlling your computer;
5. Use broadband network with others. Your network can surf the Internet without dialing separately. Others may download or watch movies and play games, which will slow down the computer.
5. What if the computer downloads things slowly?
hello
Please analyze and solve your situation from the following aspects:
1 If you want to keep your computer normal and free from viruses and malware, you are advised to regularly use tools such as 360 Guardian and Kingsoft Guardian to check and kill the malicious software generated on the Internet. Restart the computer when it is finished.
2 The computer configuration is poor. Try to set the virtual memory as large as possible, install antivirus software with small resources, such as nod32, or just install an auxiliary antivirus software.
The cat has been driving for a long time and is very hot. It is recommended to put the cat in a ventilated place as far as possible and not overlap with the router. In case the temperature is too high, or there will be a fake crash, it will be better to restart the cat. I really can't suggest changing a cat with good personality (I called Telecom to change it for free).
4 Several computers * * * use the Internet. Because the router is too bad, others will use p2p to watch movies and so on. , will drag the router to death. It would be better to restart the router. The long-term solution is to suggest a better enterprise router, and then set and allocate the network speed.
Microsoft's system actually reserves 20% of the network bandwidth for the system. We can use this part, open Start-Run in turn, enter gpedit.msc, open Group Policy, select Local Computer Policy-Computer Configuration-Management Template-Network -qos Datagram Scheduler, double-click on the right to limit the reserved bandwidth and set it as disabled.
6. Change the ip to a static setting to prevent the computer from starting slowly. After the ip lease expires, the ip cannot be configured and the network is disconnected.
Some people may install and use speed-limiting software in the network. I suggest you open the arp firewall (360 is protected by arp).
It is suggested to manage startup items and stop useless startup items, especially watching videos and downloading software, because background operation occupies the network speed. Start-Run-Enter msconfig—- OK-Click Start-Start in the system configuration utility window. Except Ctfmon and antivirus software, all general programs can be closed. You can also use software such as 360 to intelligently optimize boot acceleration. (cqjiangyong summary: Many computers are slow because the background p2p software is running, which accounts for the network speed)
It is recommended to install only one main antivirus software. Installing more than one will take up computer resources, slow down the computer and make the Internet feel very slow.
If I can help you, please choose a satisfactory answer! ! !