EasyNetWorld

What to do if your computer crashes? What can I do about my computer shutting down automatically? One minute to solve the proble

Common computer malfunctions and their solutions.

System crash

Phenomenon:The desktop is locked, the mouse can not be moved, and in severe cases, even the hot start (ALT + CTRL + DEL) can not work. There is also the phenomenon of blue screen.

Phenomenon analysis: "Kiss to death" system to achieve their own BUG and compatibility issues between the software is the cause of the failure, but also through the use of the user at the same time to run the enterprise too much of a large program, which can lead to the development of the process of blocking, triggered by the machine.

Processing method: Downtime has two kinds of true and false, the simplest way to distinguish between them is to press the Numlock key in the keypad area and observe whether the indicator changes.investintech free online pdf to word converter If it does, it's fake; if it doesn't, it's real. When you can press Alt + Ctrl + Del at the same time after appearing in the task list, select the program name marked as unresponsive and click End Task. Really, there is only a cold start. For the blue screen, after pressing the ESC key doesn't work, select Restart and press Reset on the chassis panel. Compatibility issues can be resolved by uninstalling the "problem" software and updating the motherboard BIOS and related motherboard drivers.

Virus attack

Phenomenon: Slow system operation, crash, illegal operation, hard disk light randomly flashing, screen often blue screen, inexplicable system prompts ...

Phenomenon Analysis: Virus is essentially a malicious computer program code, the virus through a large number of copies of themselves, while secretly running in the system, taking up system resources, serious damage to hardware and software, such as CIH, hard disk lock.

Countermeasures: Taoist high feet, the devil is low, the nemesis of the virus is antivirus software. Once you suspect that your machine is infected with a virus, please reboot the system to DOS, run a genuine antivirus software (DOS version), in order to kill the "kiss of death" under the virus can not be killed; and then boot to the system desktop, run the WINDOWS version of the antivirus software to re-kill the virus. On the other hand, when the virus attack is serious, some files will be destroyed; just before the outbreak of the virus, we backed up the important files to a drive other than the c-disk, and set the attributes of the data files to read-only. At the same time, you should update the virus database of your antivirus software frequently, and use cam sparingly. friends who have been on the Internet should never download email attachments of unknown origin.

Automatic shutdown

Phenomenon: computer in the normal work of running management process, suddenly automatically shut down the information system or restart the system.

Phenomenon Analysis: The current motherboard temperature monitoring function of the CPU, once the CPU temperature is too high, more than the temperature set by the motherboard BIOS, the motherboard will automatically cut off the power supply to protect the relevant hardware. On the other hand, the power management and virus software in the system can also cause this phenomenon.

Countermeasure: If the above sudden shutdown phenomenon has been occurring, first confirm whether the CPU cooling is normal. Open the chassis to visually check whether the fan blades are working properly, and then enter the BIOS option to check the fan speed and CPU operating temperature. If you find that the fan is the problem, carry out the relevant dust maintenance or replace the fan with a better quality. If you exclude the cause of the hardware, enter the system, manage to override the installation of the power supply from the "kiss of death" installation CD-ROM, and then thoroughly kill the virus. After eliminating these factors, the cause of the failure may be aging or damaged power supply, you can confirm by replacing the power supply. If the power supply is bad, replace it with a new one, never use it again, it will burn the hardware.

System Failure

Phenomenon: Can not enter the system, typically manifested in the boot self-test through, stop in the boot screen, or display: disk error and other electronic prompts many phenomena.

Phenomenon Analysis: This is a system failure, there are many reasons. Commonly, the system files are modified, damaged or loaded abnormal command line. In addition, hard disk failure is also one of the reasons.Countermeasures: First of all, we should try to see if we can develop into the social security management mode, boot up the computer by pressing the F8 key, select a startup menu in the third item: Safe model (security education mode).After entering the information security production mode, you can simultaneously through the network device manager and the system design file checker to find the fault, encountered with "! " sign can be based on identifying the proper body before determining whether the enterprise del or set up interruptions. Can also reinstall the driver control program, system data file damage problems can be recovered from the installation of technical files (it is recommended that beforehand on the WINDOWS installation disk copy in the hard disk).If even the security service mode can not be entered, through the CD-ROM with boot or floppy disk to boot to DOS, in DOS first anti-virus and Dir check the C disk system engineering file content has a complete, if necessary, by raising the system floppy disk for Sys C:, to restore the basic operating system implementation of the country-related files.If these files are not found in the C disk in time, then only the system needs to be completely reinstalled.

Driver lost

Phenomenon: Start 16-color display, play audio files show "XXX" device is occupied.

Phenomenon Analysis: After the elimination of the virus, this phenomenon mostly occurs in the use of n months on the old machine, or the user has recently moved the host computer components (such as graphics cards, PCI cards), which may lead to poor contact with the hardware, resulting in the system can not be fully detected the relevant hardware.

Countermeasure: Reinstall the graphics card driver and check whether the related accessories are in full contact with the motherboard: First, make sure the gold fingers of the graphics card and sound card are clean, and second, insert them into the related slots with proper force, which can be inserted vertically and connected to the speakers for display. If necessary, you can change the slot position of the PCI card to avoid conflict with the graphics card resources. Black screen on boot up

Phenomenon:The boot-up screen is black without display, and there may be an alarm sound.Phenomenon to analyze: no contact between the hardware system is socially undesirable, or hardware environment to some failure, the relevant hardware design involves memory, graphics card, CPU, motherboard, power supply and so on. The computer's boot to first control the power supply module power supply, and then by the motherboard's BIOS to guide the students self-test, and later can be through the CPU, memory, graphics cards, etc..This development process is reflected on the screen called self-test, first through the graphics card BIOS information, then the motherboard market information, followed by memory, hard disk, optical drive and so on.If any step in the middle of a lot of problems, the computer can not get a normal work start, or even a black screen.

Countermeasure: First of all, make sure that the external and internal connections are smooth.The external connections are the monitor, the power supply of the host computer, and so on.The internal connection to the host power supply and the host power connector (sometimes poor contact). A more common cause is: the graphics card and memory card have been used for too long and have been in contact with dust in the air for a long time, resulting in oxidization of the gold layer and causing poor contact. For this reason, use a cotton swab on the moderate alcohol to wipe the gold finger back and forth, and then insert it back after drying. In addition, observe whether the CPU is working normally, boot about half a minute, touch the CPU fan heatsink with your hand whether there is a temperature. If there is a temperature, then the possibility of CPU failure can be basically ruled out. no temperature arrangement for the CPU socket, make sure the contacts are in place.After there is no temperature, your CPU can be upgraded: (In addition to the above methods, there is a killer app: with the method of removing the jumper to the BIOS setup or replacing the motherboard CMOS battery.When all these methods have been tried and failed, then you can call Shrimp out for help.

Strange sounds and odorsPhenomenon: hear strange sounds or smell a strange odor.Phenomenon Analysis: Strange sound, may be caused by the bad track of the hard disk (grid of harsh sounds); may also be hard disk, CD-ROM screws are not solid, causing resonance of the chassis. Strange smell, mostly burnt flavor, very pungent taste.

Countermeasures:First, turn off the power. If it is strange, open the chassis panel and check one by one.If it's broken, fix it or shield it.Beware of the odor.This is the time to sniff with your nose to find out the parts that emit the odor, and then unload them and hand them over to the computer company to deal with.In the meantime, everyone must defend their consumer rights.(What is not out of warranty - should be replaced, should be repaired.) This one must not be sloppy! Because, the author's Onda CD-ROM drive didn't power down after smelling the burnt odor (slowed down by N seconds), and then, there was no way to get the money to go to Uncle JS. (So if you smell the smell, immediately cut off the power supply, and then open the chassis to find the cause, but the monitor must not be opened,investintech free online pdf to word converter only professional maintenance, but there is a high voltage, do not take life.

Whether the system design needs to be reinstalled, the three basic rules to help you

If one of the following three things has happened to your system, it's time to consider a reinstallation:

1)The system operation efficiency becomes low, the junk files fill up the hard disk and scattered, it is not easy to centralized cleaning and automatic cleaning;

2) System failures are frequent and not easy to locate and solve.

3) The system cannot boot.Before reinstalling the system, it is best to make a backup list.

Before preparing to reinstall the system due to a system crash or problematic failure, the first thing we should be able to think of is to back up our data. At this point, be sure to be quiet and carefully list the information in the hard disk that needs a backup, write them down on a piece of paper as an item to study one, and then back up the information one by one against the business. If your hard disk can't start up, at this time the teacher needs to give full consideration to copying their own data after starting the control system with other startup disks, or hooking up the hard disk to other personal computers for management backup. In order to effectively avoid the possibility of a catastrophic event in which the hard disk data technology can not be recovered, it is best to get into the habit of backing up important basic data on a daily basis.

User documentation is a treasure trove, first of all, to do a good job backing up

Among the data to be backed up, user documents are the first data to be backed up.If you are an editor or author, you need to back up your manuscript first; if you are a teacher, you need to back up your lecture notes first; if you are a composer, you need to back up your repertoire first... Usually, the user's document data is stored in the "My Documents" folder.If the user specifies another storage folder, the corresponding folder needs to be backed up.

Internet veterans become blind just because they forget their bookmarks

Users who surf the web frequently usually collect address books with personalized information.The next time they need to search for similar content, they can easily reach their destination by opening their favorites.When reinstalling your system, if you forget to back up your favorites, the new system you installed will be almost an empty favorite for you, and the good addresses you reserved before are gone, and you will have a feeling of blindness.Although you may say I have a great search engine like Google, the people who can do it in one step are made more complicated artificially.Why bother?Therefore, before reinstalling the system, please make sure to back up your "favorites". Windows 2000 favorites is a folder under the system partition, and the user name in the middle varies from person to person.