Failure diagram:
1, check whether the new hardware is plugged in, the computer's hardware if not plugged in, it is necessary to stabilize it.
2, open the chassis, take down the memory, memory inserted in the motherboard of the gold finger part of the dust too much, with an eraser to wipe the gold fingers, and then reseated, but also may be the gold fingers were oxidized;
3, the hard drive appears bad, it is recommended to the hard drive bad road detection.
4, check the CPU, video card temperature will be too high, to the fan ash or the CPU coated with silica radiation;
5, replace the network card driver, or may consider to change a network card;
6, check whether there is a use of 2 different brands or different capacity of memory, which will appear incompatible with each other.
7, or can not be resolved, the proposed most direct method is to reload the system, but before reloading to remember to back up the important data of the system OH
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