Computer has entered the family as an ordinary household appliance. We often encounter some computer problems. In fact, we can solve them ourselves. The following is the computer common problems and faults I sorted out for you. I hope they are useful to you!
1. The computer runs too slowly
In addition to the hardware factors, the computer speed is also closely related to the system. First of all, you can insist on whether the disk space is full, especially the C disk of the computer. If it is close to the limit, you need to delete some content to get more space, so it is recommended that the application should not be installed on the C disk as far as possible. In addition, some startup items of the computer system can be reduced to achieve faster startup speed.
2. The computer network speed is too slow
If your network speed is too slow, you might as well log in to such as Speedtest Net to test the network speed. If the speed is really slow, check the router. If it is normal, you can call the broadband provider to inquire whether there is a problem with the network service. If the wired or WiFi network cannot be connected all the time, there may be a problem with the network card hardware. Try downloading and installing the latest driver first. If it still fails, there may be a hardware problem and it needs to be replaced.
3. The computer keeps restarting
The continuous restart of the computer is usually caused by two aspects. One is infected with the virus, so we can enter the safe mode to check and kill the virus. If the situation remains the same, it may be caused by poor heat dissipation of the hardware, so you can clean the computer after all the hardware has been updated normally.
4. Block pop-up advertisements
Many times, when we install software, we will accidentally install some spam plug-ins, which will slow down the computer or pop up advertisements. Through some anti-virus software, we can remove the contents of these spam plug-ins, such as 360 anti-virus software. In addition, you can also shield Trojans or phishing websites by installing such protection software, so as to provide you with a green and safe online environment and ensure the normal operation of your computer.
5. The wireless network cannot be connected
Sometimes, windows can't connect to WiFi wireless network all the time, or the display is limited all the time. We can try to solve the problem through the "troubleshooting" and "automatic detection and repair" functions in the system first. If the problem persists, check the router or PC hardware step by step.
6. Website security certificate
If the prompt "there is a problem with the security certificate of this website" appears frequently when using the browser to surf the Internet, it may be due to the incorrect setting of the system clock. Usually, the CMOS battery of the PC motherboard will keep the clock running. If it fails, you can try to replace the battery.
7. The printer does not work
In addition to ensuring that the printer driver is the latest version and has enough paper and ink, we can try to restart the printer, find the contents in the system tray, check the print queue and ensure that the "printer offline option" is not checked. We must pay attention to these detailed problems.
8. Unable to open email
Usually, if you can't open the attachment of e-mail, it is because the corresponding software, such as PDF file, is not installed on the computer. Therefore, you can install compatible software to correctly identify. In addition, e-mail attachments cannot be opened if they do not have the correct extension.
1) computer garbage file cleaning
1. Disk cleaning
Turn on the computer - right click the system disk - select properties, and then the disk cleaning dialog box pops up. Click disk cleaning. After scanning, select the amount file to be cleaned, and click OK to clean up the garbage automatically.
2. Software garbage cleaning
"360 security guard one click cleaning" function, Tencent housekeeper, cube optimization master and other built-in garbage cleaning functions.
2) uninstall infrequent software and reduce startup items
1. Uninstall infrequently used software
The computer has been used for a long time. In order to help the system slim down, you can uninstall the unused software. Click Start Menu - control panel - uninstall program to uninstall. Or 360 software manager uninstall.
2. Reduce startup items
Many software will be started by default, which will greatly prolong the startup time, so unnecessary software can be closed. Open the software for automatic startup, find "Settings" and cancel "automatic startup". Or use the 360 security guard one key to optimize the function.
3) monitor the heat dissipation of the computer
During the use of the computer, the temperature affects the working state of the computer. When the temperature rises, the computer will automatically shut down to reduce the damage to the hardware. In daily use, do not block the heat dissipation hole by blocking the movable plug. If necessary, USB heat dissipation can be added for heat dissipation.
4) maintenance of LCD for daily use
LCD (liquid crystal screen) as one of the main components of the computer, good use habits and regular maintenance can maximize its performance and protect vision. During use, do not directly touch or press with hard objects; Avoid strong light exposure; When cleaning, use a wet cloth soaked in water and twisted dry or LCD special cleaner to clean it.
5) maintenance of notebook battery
1. Reduce the screen brightness: you can use FN + down / up combination keys to quickly adjust the brightness (the specific FN + key depends on their notebooks).
2. Make good use of standby, sleep and other functions: when the computer is not used for a long time, the notebook can be standby or sleep, which not only saves power, but also prolongs the service life of the computer.
When the CPU starts up, the speed step function can be used to save energy. When the CPU starts up, the speed step function can be used to reduce the working time of the CPU automatically. If it is not turned on, press F2 to find performance in BIOS and set SpeedStep enable to enabled.
4. When using the battery, try to turn off the wireless, Bluetooth and infrared ports. At the same time, remove unnecessary peripherals and avoid enabling large 3D programs and games, so as to reduce unnecessary battery consumption.
1. Computer keyboard computer keyboard is the most frequently used computer component and the place with the most dirt; Almost all the keyboard is used on computer. Besides using it, many friends can use the same keyboard and use it in different environments. Besides the surface, side and buttons of keyboard, there are various kinds of pathogens and high-risk viruses that are invisible except for various stolen goods. Many international organizations have proved that there are 200 to 480 kinds of bacteria in a keyboard, and we are very worried about hepatitis B, SARS, Influenza can spread through the keyboard, not to mention all kinds of stolen goods and dust accumulated over time. Do you want to clean it?
2. There are photoelectric mouse and mechanical mouse with rolling ball. It is constantly rubbing and clicking between the desktop and palm. Few people may clean its surface, not to mention how dirty the lower part and the pulleys in the rolling ball are, which directly affects the reflection speed of the mouse target. Why should it be polluted repeatedly instead of cleaned?
3. Due to the long-term use of the host, the computer generates static electricity and the chassis shell is dusty; All kinds of particles and dust adhere and stick to the main board, CPU, hard disk and power supply fan. If the heat dissipation is not good enough, it will crash and bring losses to you.
4. The monitor is also easy to get dirty. The beautiful computer picture is equipped with a unkempt shell. I think you're not happy? Not to mention when someone will come, what will be the impression?
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