Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 主板故障排除
- 分类:u盘教程 发布时间: Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2013年03月21日 00:00:00
【装机教程之主板故障排除】主板故障是我们常碰到的问题,那么应该怎么对它们进行故障检测呢,请看装机吧小编问你讲解:
在进行主板故障查修时,一般会采用“一看、二听、三闻、四摸”的维修原则。看就是查看故障现象、听就是听报警声、闻就是闻异味、摸就是摸硬件是否过烫。
1.观察法
主要用到“看、摸”。在关闭电源的情况下,看各部件是否接插正确,电容、电阻引脚是否接触良好,各部件表面是否有烧焦、开裂的现象,各个电路板上的铜箔是否有烧坏的痕迹。同时,可以用手去触摸一些芯片的表面,看是否有非常发烫的现象。
2.软件诊断法
一般指通过随机附带的诊断程序或系统测试软件、或者是单独的主板诊断卡进行测试。一般用于检查各种接口电路故障。
3.清洁法
这种方法一般用来解决因主板上灰尘太多,灰尘带静电造成主板无法正常工作的故障,可用毛刷清除主板上的灰尘。另外,主板上一般接有很多的外接板卡,这些板卡的金手指部分可能被氧化,造成与主板接触不良,这种问题可用橡皮擦擦去表面的氧化层。
4.替换法
当不能是哪个部件引起的故障现象时,可以对怀疑的部件通过替换法来排除故障。可以把怀疑的部件拿到好的电脑上去试,同时也可以把好的部件接到出故障的电脑上去试。
推荐阅读: 内存不能为read怎么办 :http://www.kkzj.com/
责任编辑:装机吧小鱼 版权所有,转载说明出处!
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