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href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=293551&extra=page%3D4&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 1180107);" class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1180107"> <div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 台式<a href="http://machine.oecr.com" target="_blank" class="relatedlink">机电</a>源品牌细数劣质电源六大危害</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 台式机电源注意事项-警惕-小常识篇:主要介绍了电脑经常重启、死机，程序运行中不断报错，认不出电脑配件，硬盘出现坏道，光驱读盘能力大为降低等劣质电源的六大危害。下来就来为大家介绍一下这六大危害都是什么?</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 1、电脑经常重启、死机，程序运行中则会不断报错</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 一般来说，电源EMI滤波<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电路</a>不过硬或全部省去，就很容易受到市电中的杂波干扰，导致电流输出不够纯净，从而无法确保电脑配件稳定运行。当然也可能由于劣质电源使用老旧元件，输出功率不足，从而导致电脑无法正常启动。另外散热条件不过关，也会导致出现死机等现象。</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 2、认不出电脑配件，如硬盘、光驱等设备</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 由于劣质电源制造水平低下，加上成本低廉，因此基本上能省的元件全部省去。在输出功率不足或不稳的情况下，很有可能发生一开机突然找不到硬盘、光驱等设备。</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 3、硬盘出现坏道，光驱读盘能力大为降低</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 由于劣质电源使用的元器件，很多时候达不到标准要求，因而使用寿命大大缩短。在使用一段时间后，性能将会有所降低，从而导致+5V供电输出不足或不稳。由于硬盘和光驱正好使用+5V供电输出，所以出现损坏和不稳定现象。对于许多使用老电脑的朋友来说，倘若经常遇到硬盘出现坏道，不妨多留意一下是否电源出了问题?</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 4、掉电或闪电时，电脑极易损坏</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 事实上为了提升电能转换效率，并尽可能的节约用电，正规电源都会带有PFC(Power Factor Correct功率因素调整)电路。PFC电路是3C认证强制要求具备的一个模块，这也说明了3C认证并非可有可无。PFC电路是衡量一款优质电源的基本标准，可有效确保电脑配件的使用安全。没有了PFC电路，将大大增加配件的损坏机率。其实重量过轻的电源多半是省去了PFC电路，所以购买电源时不妨拿在手上掂量一下。</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 其实掉电或闪电时电脑极易损坏，还与IC电路不过硬所致。IC电路除具备调整输出电压功能之外，还带有开关控制功能，提供过压/欠压、过流、过载/欠载以及短路保护等功能。如果IC电路过于单一不具备保护功能的话，在电脑突然掉电或遇到闪电袭击时，则非常容易损坏。</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 5、CPU超频能力减弱</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 几年前当商家承诺出售保超3000+的巴顿2500+处理器时，就曾遭遇过不少麻烦，其中有很多争议就是由于电源品质不过关而引起的。这里面即包括购买了额定功率偏小的名牌电源，也包括购买了输出功率无保障的劣质电源。由于CPU超频时，耗电量将会大幅增加，而当电源输出功率不足甚至不达标时，将根本无法满足CPU超频需要。</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 6、音箱杂音过大</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 由于劣质电源滤波功能奇差，加上电路品质也不过关，因此导致主板内出现杂讯电流，声卡很容易出现杂音过大的毛病。</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 事实上除了要注重电源的选购之外，电源插线板的品质也不容忽视，否则精心挑选而来的优质电脑，也会由于插口接触不良而出现死机和重启等现象。</font></font></font><font color="#333333"></font></div><div align="left"><font color="#333333"><font face="宋体"><font style="font-size:9pt"> 以上介绍的就是台式机电源品牌细数劣质电源六大危害?希望对您能有所帮助。</font></font></font><font color="#333333"></font></div><div align="left"> </div><div align="left"><font face="宋体"><font style="font-size:10.5pt"> </div><div align="left">以上信息由西安安泰<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>设备有限公司整理，希望对您能有所帮助。西安安泰测试设备有限公司是一家专注于<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>测试及工业测试领域仪器销售与仪器维修的专业公司。为客户提供“丰富的测试<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>选择、完整的系统测试解决方案、专业的测试<a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">软件</a>开发、全面的技术支持及售后服务”。目前公司主要进行电子测试仪器的销售及维修，自研产品的开发，已经成为西北地区规模最大的仪器综合服务商之一。</div><div align="left"> </div><div 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