Computer use of small common sense

Computer use of small common sense
The computer power light is not bright, the monitor also does not show! 

Question: Make sure the power cord is connected properly and check that the power plug is securely plugged into the 220V power outlet on the wall. Also check the wall outlet for normal power supply, or use a different power outlet to try again. If the problem remains unresolved, contact the computer maintenance center. 

Switch on the power supply is off the phenomenon! 

Question answer: Check whether the home is installed with leakage protector. Replace a better leakage protector if possible. 

No display on the monitor screen!

Question Answer:

1. Check whether the power cord of the monitor is connected or loose. If so, you should turn off the computer before plugging in the monitor power cord.

2. Check the monitor signal cable and the host's display card interface is connected or whether there is loosening, if so, you should first shutdown, and then the monitor signal cable plugging. 

3. Check the light on the front of the monitor, if it is not lit, you should press the button to open the monitor.

Display interface out of screen range

Question: This behavior may occur after you first install the display driver, you can adjust the display to the appropriate range by adjusting the related buttons on the monitor.

There is water ripple on the monitor screen!

Question answer: Carefully check the computer around (within a meter) whether there is interference, such as refrigerators, electric fans, hair dryers, uninterruptible power supply, voltage regulators, fluorescent lamps and other magnetic interference equipment, if there are two of computer monitors close (within a meter), will also make the two computer display on the water ripple interference. The process is to move the device with the interference away from the computer. If the problem remains unresolved, contact the seven-Hi computer maintenance centre. 

The word on the monitor screen is too dark! 

Problem answer: This may be the brightness control settings improper. The solution is to adjust the brightness control until the text can be clearly displayed. The monitor may also be damaged. If the problem remains unresolved, contact the seven-Hi computer maintenance centre. 

How to change the display mode, the monitor black screen? 

Question: sometimes many software use requirements need to replace the display mode, such as from 640x480 to 800x600, but after the cut suddenly appear black screen and can not recover, even if the computer is restarted. This problem is sometimes caused by a mismatch between the display and the display card refresh rate. The solution is to restart the computer first, press F8 when "starting Windows" appears under the screen, select the third "Safe Mode" Safe Mode boot, and after entering windows, Execution: Start--Settings--Control Panel--Display--Settings--Advanced properties--refresh rate, change the refresh rate from "unknown" to "adapter defaults", and then restart the computer to work correctly.

When my computer runs some programs, how does the image or the Chinese and Western text appear the flower screen phenomenon?

Question: Seven hi display system in the development process after a large number of application of strict compatibility test, but even so, there may be a very small number of applications appear compatibility problems, such as image flower screen, Word Fu, system deadlock phenomenon. The main reason is that some of the DOS and even the Windows program in the development of a number of direct write screen, such as the non-standard technology for special display cards, especially some DOS applications. For this type of problem, we recommend that you find the latest version of Windows for these programs.

The computer suddenly can't start!

Problem answer: May be because of the computer handling in the process of vibration and make the memory and host board contact bad; it may also be due to a user replacing or upgrading memory, mainly because the memory used is incompatible with your computer. It is recommended that you consult your computer professional or contact the seven-Hi Computer repair center when you upgrade your computer. 

There is a low memory prompt when running the program!

Question answer: This is mainly because some applications have errors in allocating memory that are causing this situation. The solution is to try not to run a similar program, or to turn off programs that you don't currently need to run to free up more memory resources. 

Silent after installing sound driver!

Problem answer: After the first installation of the sound card driver, you need to restart your computer two times before you can sound properly.

Play a CD record silently

Question answer: You need to turn on the "Enable digital audio on this CD-ROM device" option on the "Start-settings-control Panel-multimedia-CD Music" Setup interface.

The computer suddenly silent!

Problem answer: Carefully check the speaker to the host connector is correct. Check to see if each sound channel is muted. To do this, double-click the speaker icon in the lower-right corner of the Windows taskbar to open the Windows volume Control program to see if each channel's mute function is turned on. If it is muted, the mute function is canceled. Check that the volume of each sound channel is minimized, and if so, adjust the volume to the appropriate size. 

There's a scream after the microphone is connected.

Question: This is because each input channel inside the chip is open, it is possible to cause the circuit internal loop positive feedback and generate a self-excited scream, we recommend that you adjust the recording gain (Rec Gain) and microphone volume (Mon) to a more moderate position rather than too large. In addition, Windows itself has audio mixer control, and it can block some of the sound card with the software control function. Therefore, control of various sound signals should be based on the mix control button on the Windows taskbar.

If you are not satisfied with the microphone sensitivity

Question answer: In addition to adjusting the slider in the Win98 Volume Control Panel, Win98 also provides an option called advanced control, where you can find advanced control in the options in the upper-left corner of the Win98 Volume Control Panel and turn it on to see "Advanced control" below the microphone volume dashboard. button, you can choose whether to "enhance 20dB", note that this action on the "Sound Recorder" and "viavoice" effect. 

Phone cannot dial out or modem works abnormally

Question Answer:

1. Carefully check whether the phone line on the wall is connected to the phone line of the modem on the back panel of the host, and check whether the telephone is connected to the telephone through the telephone line.

2. If the telephone use normal and internet and fax communication abnormalities, may be the system to the modem settings problems, if the problem is still unresolved, you should contact with the seven-Hi computer repair center. 

When dial-up, the system has no response, is in a long time dialing state

Question: Check the modem card's Windows 98 driver software installed correctly, and check the modem's COM port and interrupt settings are conflicting with other devices. If the problem remains unresolved, contact the seven-Hi computer maintenance centre.

After reinstalling WINDOWS98, there is a "PS/2 mouse" device with Huang number in device management

Question: This may be because you are not installing the correct ACPI mode when reinstalling the WINDOWS98 operating system, and the correct way is to run "setup/p J" with the appropriate parameters when you run the Setup program for WINDOWS98.

The system slows down or an error occurs after using it for a period of time

After the new system is installed, the system slows down or the error occurs after a period of time, possibly due to:

1, installation software too much, fill up the hard disk space, cause the system or program to lack enough running space to slow down, you can periodically check the disk space on the location of the system disk, and ensure that it has enough space (if it is an XP system, it is recommended to stay at least 2G of space), while the need to regularly clean the installed software, No necessary software can be unloaded to free up space;

2, due to the installation of more software, cause the start-up time is unusually slow, because many software needs to write software in the system related settings, even when the computer started to start a lot of software services, it caused slow start-up times; In this case, it is also necessary to periodically software cleaning, the software is best to uninstall off At the same time, please pay attention to "Start all program startup" in the project, unnecessary software, do not start loading, from the startup project to remove it;

3, too frequent installation, removal of software or procedures, resulting in file fragmentation or system garbage, will seriously hinder the speed of the system, especially in accordance with the software uninstall requirements for unloading, especially will cause problems, it is recommended to uninstall software or procedures, must follow the corresponding instructions;

4, regularly defragment the system to improve the speed of the system, the need to regularly do some disk maintenance work, remove garbage, defragment the hard disk, this can help improve the reading and writing efficiency of the hard drive, improve the running speed;

5, another important reason is the virus, the virus will cause the system to use slow or abnormal error, regular killing virus, carefully installed software, are effective to avoid the method, detailed see we provide the virus prevention and treatment of common sense;

6. If you encounter the above problems, and you do not have the ability to solve these problems, we recommend that you choose "one-click Recovery" To restore the factory status of your system (note: This operation will result in your system setup or some loss of some data, please use caution) in case you have backed up important data. Or you can contact our service provider for help;

Virus protection, ease of use

You may have heard about the dangers of the virus; the virus harm can cause the computer to use the unusual, the common breakdown phenomenon has: cannot start, freezes, the blue screen, uses some time to change unusually slowly, the frequent error, serious even loses the data, destroys the hardware and so on; with the popularity of online transactions and online payments, The situation of personal property loss caused by the virus is also often reported; to fundamentally eliminate the virus, we must start from the prevention, the most effective preventive measures is to cut off the source of infection; At present, the network is the main way of virus transmission, as long as the following points, it should be able to effectively prevent online virus attacks, To ensure your safe use;

1, to ensure that your machine installed a genuine anti-virus software, and ensure that the anti-virus software is in an automatic update status, and weekly check whether the anti-virus software is indeed updated; If you do not have the appropriate software, you can purchase or inquire about our professional service organizations in the computer market;

2, the timely installation of system security patches, or the use of the update function, regular upgrade system security patches, update upgrade is best to do once a month;

3, if you are using an XP system, please pay attention to your Security Center, firewall and Automatic Updates are open, the current two of our factory has been to help you set up, do not easily change; If prompted you need to install updated files, please install in time;

4, download and install the software, please be careful to ensure that you install the software as far as possible is genuine; for your downloaded software, extract or install the software before, it is best to use anti-virus software for a killing, then install; some compressed software can be automatically executed, preferably not directly open, you can use the decompression software to decompress after , use anti-virus software to kill, and then decide whether to install;

5, the message is also an important way to spread the virus, if you receive a message with attachments, please be careful to open the attachment in the message, you can first uninstall it to the local, with anti-virus software testing, and then decide whether to open or install; If you are not familiar with the person sent, no theme mail or the subject is garbled mail, please raise the police Tiglate

6, the best monthly to your computer to make a comprehensive killing to ensure that your machine is in the cleanest state of operation, and pay attention to the usual care anti-virus software vendors to provide virus warning news, attention to the emergence of new viruses;

7, if you have mentioned above the fault situation, you can use genuine anti-virus software to kill or contact our service agencies to obtain relevant help;