For computer failure, divided into hardware failure and software failure, in general, software failure is better to solve, the most direct and violent method is the system reinstallation, and hardware failure can be replaced or repair hardware. The following gives you an introduction to computer troubleshooting methods, welcome to read!
Computer troubleshooting methods are mainly observation method, the minimum system method, step by step to add and remove the method, isolation method, replacement method, comparison method, ascending and descending method, knocking method, plugging method, cleaning method ten. Through these methods can easily solve some common computer failures.
First, the observation method
The observation method is to see, hear, smell, touch and other ways to check the more typical or more obvious faults. For example, to observe whether the computer internal sparks, sound abnormalities, loose plugs, cable damage, broken or touch line, plug-in board components are hot, burnt or damaged, whether the pins are broken, poor contact, soldering and so on. For some hidden transient faults, in addition to direct observation, you can also use a rubber hammer to tap the components to see what changes in the fault phenomenon to determine the location of the fault.
The minimum system method
The minimum system method is to unplug the suspected faulty boards and devices, the computer before and after the operation of the situation, to determine and locate the fault. The basic requirement for unplugging boards and devices is to keep the system working in a minimal configuration in order to narrow down the scope of the problem. Usually, only the motherboard, memory, CPU, and power supply are installed first, and then the computer is turned on and tested; if normal, then the keyboard, graphics card, and monitor are added, and if normal, then hard disks, expansion cards, and so on are added in turn. The order of unplugging boards and devices is reversed. The connection plugs of the unplugged boards and devices should also be cleaned to eliminate failures caused by poor connections.
The minimum system system is divided into 3 categories, as follows:
1. Boot type (power supply + motherboard + CPU).
2, lit type (power supply + motherboard + CPU + memory + graphics card + display).
3, into the system type (power supply + motherboard + CPU + memory + graphics card + monitor + hard disk + keyboard), this time is actually a complete computer, but the optical drive, printer, TV card, mouse, network card, camera, handle and so on is not yet.
Three, step by step to add the removal method
Step by step to add the method based on the minimum system method, each time only to the system to add a component / device or software to check the failure phenomenon whether the disappearance or change, in order to determine and locate the fault areas.
Note: The step-by-step approach is generally used in conjunction with the Replacement method to more accurately locate the faulty part.
Four, isolation method
Isolation method is to prevent the failure of the judgment of the hardware or software shielding a method of judgment. It can be used to suspect conflicting hardware, software isolation to determine whether the failure of a method of change.
The hardware and software shielding mentioned above, for software, is to run or uninstall it; for hardware, it is in the device manager, disable the device, uninstall the driver, or simply remove it from the system.
Fifth, the replacement method
The replacement method refers to the replacement of computer parts with the same specifications of the computer components that may be faulty. If the replacement is faulty, then the cause of the fault is in the replaced part.
Note: Before replacing, you must first make sure that the parts you are replacing are intact and working properly.
Sixth, comparative method
Comparative method is similar to the replacement method, with good parts and suspected faulty parts of the appearance, configuration, operation phenomenon, etc., but also in the two sets of computers
Comparison of computers, in order to determine the fault computer in the environment settings, hardware configuration of the different, from the page to find out the fault parts. The first step is to make sure that you have the right tools for the right job.
Seven, ascending and descending method
In the process of door-to-door service, due to the limitations of the tools, you can use the ascending and descending method of temperature, the use of which is different from the repair shop, door-to-door service in the ascending method can be agreed in the case of the user to try to reduce the computer's ventilation ability to increase the computer's own heat to warm up.
The cooling method is generally achieved through the following methods.
1. Generally choose a time when the ambient temperature is low, such as early in the morning or later in the evening.
2, so that the computer down 12 - 24 hours or more.
3. Use an electric fan to blow on the faulty machine.
Eight, knocking method
Knocking method is generally used in the suspicion that a part of the computer has a poor contact ` fault, through vibration, appropriate distortion, or with a rubber mallet to hit the components or specific parts of the device to make the fault reproducible, so as to determine the location of the fault of a repair method.
九、插拔法
Plugging method by inserting or pulling out the plug-in chip to find the cause of the failure. This method is simple, but it is a very effective and common method. If the computer at some point in the "crash" phenomenon, it is difficult to determine the cause of the failure. Theoretically analyze the cause of the failure is very difficult, sometimes even impossible. The use of plugging method a possible to quickly find the cause of the failure. Pull out plug-ins in turn, each pulled out a piece, test the current state of the computer. Once a piece of plug-in is pulled out, the computer works fine, so the cause of the failure is in the piece of plug-in.
Ten, cleaning method
Some computer failures, often due to more dust in the machine caused. This requires the maintenance process, pay attention to observe the faulty machine inside and outside whether there is more dust, if so, then should be the first dust, and then subsequent judgment repair.