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电脑常见故障的维修技巧——主板篇

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发表于 2020-10-21 13:31:53 | 显示全部楼层 |阅读模式

                    

                    

                    
                    
                    <p style=""><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; font-size: 14px; line-height: 26px; box-sizing: border-box !important; word-wrap: break-word !important;"> 电脑出现的故障原因扑朔迷离,让人难以捉摸。并且由于Windows操作系统的组件相对复杂,电脑一旦出现故障,对于普通用户来说,想要准确地找出其故障的原因几乎是不可能的。下面一些最为常见也是最为典型的电脑故障的诊断、维护方法,通过它就可以解决电脑出现的故障问题了。</span></p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">主板</strong></p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  主板是整个电脑的关键部件,在电脑起着至关重要的作用。如果主板产生故障将会影响到整个PC机系统的工作。下面就一起来看看主板在使用过程中最常见的故障有哪些。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; text-align: center; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;"><img src="http://mmbiz.qpic.cn/mmbiz/CACTjg4QE1E4qnATibibH94cQdqjWdcMJIictnD27gInuELNQl5agyTLHk8PeRRs2Ljqs81joxGquFHhTRo8ROPmQ/0" title="电脑常见故障的维修技巧是什么" data-ratio="0.75" data-w="360" class="" id="c0" width="auto" src="http://mmbiz.qpic.cn/mmbiz/CACTjg4QE1E4qnATibibH94cQdqjWdcMJIictnD27gInuELNQl5agyTLHk8PeRRs2Ljqs81joxGquFHhTRo8ROPmQ/0?tp=webp&amp;wxfrom=5" style="margin: 0px; padding: 0px; max-width: 500px; border: 0px; vertical-align: top; box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;"  /></p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  常见故障一:开机无显示</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  电脑开机无显示,首先要检查的就是是BIOS。主板的BIOS中储存着重要的硬件数据,同时BIOS也是主板中比较脆弱的部分,极易受到破坏,一旦受损就会导致系统无法运行,出现此类故障一般是因为主板BIOS被CIH病毒破坏造成(当然也不排除主板本身故障导致系统无法运行。)。一般BIOS被病毒破坏后硬盘里的数据将全部丢失,所以可以通过检测硬盘数据是否完好来判断BIOS是否被破坏,如果硬盘数据完好无损,那么还有三种原因会造成开机无显示的现象:</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  1. 因为主板扩展槽或扩展卡有问题,导致插上诸如声卡等扩展卡后主板没有响应而无显示。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  2. 免跳线主板在CMOS里设置的CPU频率不对,也可能会引发不显示故障,对此,只要清除CMOS即可予以解决。清除CMOS的跳线一般在主板的锂电池附近,其默认位置一般为1、2短路,只要将其改跳为2、3短路几秒种即可解决问题,对于以前的老主板如若用户找不到该跳线,只要将电池取下,待开机显示进入 CMOS设置后再关机,将电池上上去亦达到CMOS放电之目的。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  3. 主板无法识别内存、内存损坏或者内存不匹配也会导致开机无显示的故障。某些老的主板比较挑剔内存,一旦插上主板无法识别的内存,主板就无法启动,甚至某些主板不给你任何故障提示(鸣叫)。当然也有的时候为了扩充内存以提高系统性能,结果插上不同品牌、类型的内存同样会导致此类故障的出现,因此在检修时,应多加注意。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  对于主板BIOS被破坏的故障,可以插上ISA显卡看有无显示(如有提示,可按提示步骤操作即可。),倘若没有开机画面,你可以自己做一张自动更新BIOS的软盘,重新刷新BIOS,但有的主板BIOS被破坏后,软驱根本就不工作,此时,可尝试用热插拔法加以解决(我曾经尝试过,只要BIOS相同,在同级别的主板中都可以成功烧录。)。但采用热插拔除需要相同的BIOS外还可能会导致主板部分元件损坏,所以可靠的方法是用写码器将BIOS更新文件写入BIOS里面(可找有此服务的电脑商解决比较安全)。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  常见故障二:CMOS设置不能保存</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  此类故障一般是由于主板电池电压不足造成,对此予以更换即可,但有的主板电池更换后同样不能解决问题,此时有两种可能:</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  1. 主板电路问题,对此要找专业人员维修。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  2. 主板CMOS跳线问题,有时候因为错误的将主板上的CMOS跳线设为清除选项,或者设置成外接电池,使得CMOS数据无法保存。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  常见故障三:在Windows下安装主板驱动程序后出现死机或光驱读盘速度变慢的现象</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  在一些杂牌主板上有时会出现此类现象,将主板驱动程序装完后,重新启动计算机不能以正常模式进入Windows 98桌面,而且该驱动程序在Windows 98下不能被卸载。如果出现这种情况,建议找到最新的驱动重新安装,问题一般都能够解决,如果实在不行,就只能重新安装系统。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  常见故障四:安装Windows或启动Windows时鼠标不可用</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  出现此类故障的软件原因一般是由于CMOS设置错误引起的。在CMOS设置的电源管理栏有一项modem use IRQ项目,他的选项分别为3、4、5......、NA,一般它的默认选项为3,将其设置为3以外的中断项即可。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  常见故障五:电脑频繁死机,在进行CMOS设置时也会出现死机现象</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  在CMOS里发生死机现象,一般为主板或CPU有问题,如若按下法不能解决故障,那就只有更换主板或CPU了。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  出现此类故障一般是由于主板Cache有问题或主板设计散热不良引起,在815EP主板上就曾发现因主板散热不够好而导致该故障的现象。在死机后触摸CPU周围主板元件,发现其温度非常烫手。在更换大功率风扇之后,死机故障得以解决。对于Cache有问题的故障,可以进入CMOS设置,将Cache禁止后即可顺利解决问题,当然,Cache禁止后速度肯定会受到有影响。</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  常见故障六:主板 COM口或并行口、IDE口失灵</p><p style="margin-top: 18px; margin-bottom: 18px; padding: 0px; max-width: 100%; min-height: 1em; white-space: normal; line-height: 26px; height: auto; font-size: 14px; overflow: visible; color: rgb(51, 51, 51); font-family: 宋体, tahoma, arial; background-color: rgb(255, 255, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  出现此类故障一般是由于用户带电插拔相关硬件造成,此时用户可以用多功能卡代替,但在代替之前必须先禁止主板上自带的COM口与并行口(有的主板连IDE口都要禁止方能正常使用)。</p><p style=""><img src="http://mmbiz.qpic.cn/mmbiz/rz7R73cuHRrv6jdOCoJeZmYwvEAIoHpY0a7yJL2egiaEokLTpwkIsIRTzTFUic09aEThKHS4hrEcSqU0lAS3tu5g/0?wxfrom=5" width="auto" data-w="487" data-ratio="0.14784394250513347" width="auto" src="http://mmbiz.qpic.cn/mmbiz/rz7R73cuHRrv6jdOCoJeZmYwvEAIoHpY0a7yJL2egiaEokLTpwkIsIRTzTFUic09aEThKHS4hrEcSqU0lAS3tu5g/0?wxfrom=5" style="margin: 0px; padding: 0px; box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;"  /></p><p style=""><legend style="margin: 0px; padding: 0px; max-width: 100%; font-family: 宋体; color: rgb(51, 51, 51); font-size: 14px; box-sizing: border-box !important; 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word-wrap: break-word !important;"></span><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(255, 0, 0); font-size: 20px; box-sizing: border-box !important; word-wrap: break-word !important;"></span></strong><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"  /></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; word-wrap: normal; min-height: 1em; white-space: pre-wrap; line-height: 24px; font-family: 宋体; color: rgb(51, 51, 51); font-size: 14px; background-color: rgb(255, 255, 255); box-sizing: border-box !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; font-family: 仿宋; font-size: 19px; box-sizing: border-box !important; word-wrap: break-word !important;">群主微信号:</span><span style="margin: 0px; padding: 0px; max-width: 100%; font-family: sans-serif; font-size: 16px; box-sizing: border-box !important; word-wrap: break-word !important;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; word-wrap: normal; min-height: 1em; white-space: pre-wrap; line-height: 24px; font-family: 宋体; color: rgb(51, 51, 51); font-size: 14px; background-color: rgb(255, 255, 255); box-sizing: border-box !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(255, 0, 0); font-size: 20px; box-sizing: border-box !important; word-wrap: break-word !important;">shanying916</span></strong></p><fieldset class="brcolor" style="white-space: normal; margin: 0px; padding: 5px; max-width: 100%; min-width: 0px; color: rgb(62, 62, 62); line-height: 24px; border: 1px solid rgb(0, 187, 236); font-family: 微软雅黑; font-size: 12px; background-color: rgb(248, 247, 245); box-sizing: border-box !important; word-wrap: break-word !important;"><legend style="margin: 0px 10px; padding: 0px; max-width: 100%; border-width: 0px; color: rgb(51, 51, 51); box-sizing: border-box !important; word-wrap: break-word !important;"><span class="bkcolor" style="margin: 0px; padding: 5px 10px; max-width: 100%; border-width: 0px; color: rgb(255, 255, 255); font-size: 14px; font-weight: bold; border-top-left-radius: 5px; border-top-right-radius: 5px; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px; background-color: rgb(0, 187, 236); box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">复制上面微信号</span><img id="c6" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6NE8iaIXiblrE1WKyXQz6qbATAS0VZxTKlGupjMMNvicoNs9vhvYGBr83wmsdO1ouTw7kVDibk9w6VoMg/0?wxfrom=5" width="auto" data-w="20" data-ratio="1.35" data-s="300,640" width="auto" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6NE8iaIXiblrE1WKyXQz6qbATAS0VZxTKlGupjMMNvicoNs9vhvYGBr83wmsdO1ouTw7kVDibk9w6VoMg/0?wxfrom=5" style="margin: 0px; padding: 0px; border-width: 0px; box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;"  /><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">联系我哟</span></span></legend><blockquote style="padding: 0px; border-width: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; word-wrap: normal; min-height: 1em; white-space: pre-wrap; border-width: 0px; box-sizing: border-box !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; border-width: 0px; color: rgb(255, 192, 0); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;"></span><span style="margin: 0px; padding: 0px; max-width: 100%; border-width: 0px; color: rgb(255, 192, 0); font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">?
</span><span style="margin: 0px; padding: 0px; max-width: 100%; line-height: 28px; border-width: 0px; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">定期推送</span><span style="margin: 0px; padding: 0px; max-width: 100%; line-height: 28px; border-width: 0px; color: rgb(255, 192, 0); box-sizing: border-box !important; word-wrap: break-word !important;">医械资讯</span><span style="margin: 0px; padding: 0px; max-width: 100%; line-height: 28px; border-width: 0px; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">,</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 176, 80); box-sizing: border-box !important; word-wrap: break-word !important;">厂家推介</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">,</span><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(112, 48, 160); box-sizing: border-box !important; word-wrap: break-word !important;">维修知识</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">,</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 176, 240); box-sizing: border-box !important; word-wrap: break-word !important;">产品知识</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">,</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(146, 208, 80); box-sizing: border-box !important; word-wrap: break-word !important;">医疗器械相关</span></span></span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">等诸多优质内容,</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">最接地气</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">、</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">重价值</span><span style="margin: 0px; padding: 0px; max-width: 100%; color: rgb(127, 127, 127); box-sizing: border-box !important; word-wrap: break-word !important;">的医疗器械微信平台!关注我们妥妥没错,<span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">推广合作联系我呦</span>!</span></span></p></blockquote></fieldset><p style=""><img src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6MYAEPWTib8tjxcvx0icbN5kq6PvfS6PHyKaMRwicKyXRpyaPRoHgn3OOr1vBKYm6b9vtYp87hJM8nXw/0?wxfrom=5" width="auto" data-w="328" data-ratio="0.7835365853658537" data-s="300,640" width="auto" src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6MYAEPWTib8tjxcvx0icbN5kq6PvfS6PHyKaMRwicKyXRpyaPRoHgn3OOr1vBKYm6b9vtYp87hJM8nXw/0?wxfrom=5" style="margin: 0px; padding: 0px; box-sizing: border-box !important; word-wrap: break-word !important; width: auto !important; visibility: visible !important;"  /></p>
               
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