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由于主板上集成了芯片组、各种 I/O 控制芯片、扩展槽和电源接口等大量部件,因此主板是电脑中最容易出现故障的部件。一般主板产生故障的主要原因有以下几种。1.主板元件散热不良。虽然主板自身的发热量并不高,但是主板上的电子元件较多,长时间使用后容易沾满灰尘,从而引起主板元件散热不良,特别是稳压管、CPU 插槽周围的电容等都容易损坏。2.主板部件接触不良。主板上通常插有多个部件,如:CPU、内存、显卡、声卡和网卡等,如果这些部件没有正确插入主板上对应的插槽中,或者由于灰尘过多等原因,将会导致部件接触不良故障。例如,南于内存插槽变形,导致内存与内存插槽接触不良,从而在电脑启动时,出现无法检测到该内存的故障。
Since the motherboard incorporates a large number of components such as chipsets, various I / O control chips, expansion slots, and power connectors, the motherboard is the most vulnerable component of a computer. The main reason for failure of the motherboard are the following. 1. Motherboard components poor heat dissipation. Although the motherboard’s own heat is not high, but more electronic components on the motherboard, easy to get dusty after use for a long time, causing poor heat dissipation motherboard components, especially the regulator, the CPU socket around the capacitor and so easy damage. 2. Motherboard parts are not in good contact. Motherboard usually has multiple components, such as CPU, memory, video card, sound card and network card, etc. If these components are not inserted into the corresponding slots on the motherboard correctly, or due to excessive dust, etc., the components will be poorly contacted malfunction. For example, the south memory slot is distorted, causing poor memory contact with the memory slots, causing the failure to detect the memory when the computer starts up.