first, the investigation, after the familiar
Maintenance, first of all to understand the fault occurs when the computer's use and the previous maintenance status, understanding the specific fault phenomenon and the failure of the use of software and hardware environment to remedy the case. In addition, before the maintenance of its computer should be aware of its computer hardware and software configuration and the use of life, etc., to achieve targeted.
Second, first software, after the hardware
First, the elimination of software failures to eliminate hardware problems, this is the important principle of computer maintenance. In the maintenance process to pay attention to the user's software use environment and we standard what is the difference, is not what industry recognized incompatible software use, the system to start there is no problem, we must first eliminate the problem of software to proceed with hardware maintenance. For example, the damage or loss of Windows system software may cause a panic failure, because the system boot is a step process, which link can not be an error, if there is a corrupted execution file or driver, the system will be dead here. But the problems of the computer components themselves, connectors interface bad problem, the installation of hardware devices such as the BIOS, the driver is perfect, compatibility with the system, the stability of the hardware power supply equipment, and the compatibility between the components of the external interference and so on may also cause computer hardware crash failure. We should start with the software and then consider the hardware in the maintenance.
Third, the opportunity outside, after the machine
For laptops that have problems with a host or a monitor that is not lit, should first check the notebook power part of the external parts, especially outside the machine some switches, sockets are open, short circuit phenomenon, do not think these are not critical small, practice has proved that many users of computer failures are from this. When the external parts of the machine are confirmed to be normal, other tests are performed.
Four, first clean, after maintenance
If you have already turned on your laptop, when checking the internal parts of your laptop, should first focus on whether the machine is clean, if found in the machine components, leads, lines and gold fingers between the dust, dirt, cobweb or excess solder, welding oil, should be cleared first, and then overhaul, so as to reduce natural failure, and can achieve a multiplier effect. Practice shows that many failures are caused by dirt, once the cleaning fault tends to automatically disappear.
Five, the first mechanical, after the electrical
Due to the particularity of the laptop installation, the assembly requirements for the various components are very fine, incorrect installation may cause a lot of problems, so first check whether they have assembly machinery failure to check whether the electrical fault is the general principle of computer overhaul.
Six, the first power, after the machine
Power is the heart of the notebook computer and accessories, if the power supply is not normal, it is impossible to ensure that the other parts of the normal work, there is no way to check other failures. If you encounter a power failure and other problems related to the fault should first consider the correctness of the power supply, including whether the battery has electricity, if the external power adapter, to detect the plug is intact, power adapter output voltage and current is in line with this model notebook computer requirements