WinXP系统CPU使用率高的缘由及解决途径

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  在使用win xp系统的过程中,用户发现系统用着用着就变得慢了,查看任务管理器进程的时候发现CPU资源占用率达到100%,系统负荷过重才会拖慢系统的运行速度,遇到这样的问题用户该怎么来解决呢?电脑高手根据自己的经验为大家总结了一下几方面情况。

  CPU占用率高的几种可能:

  1、防杀毒软件造成故障

  一些杀毒软件对网页、插件、邮件的随机监控,无疑增大了系统负担,像卡巴斯基等杀毒软件的表现更为突出,给用户带来了无形的困扰。

  处理方式:基本上没有合理的处理方式,尽量使用最少的监控服务吧,或者,升级你的硬件配备。

  2、驱动没有经过认证,造成CPU资源占用100%

  大量的测试版的驱动在网上泛滥,造成了难以发现的故障原因。

  处理方式:尤其是显卡驱动特别要注意,建议使用微软认证的或由官方发布的驱动,并且严格核对型号、版本。

  3、病毒、木马造成大量的蠕虫病毒在系统内部迅速复制,造成CPU占用资源率据高不下。

  处理方式:用可靠的杀毒软件彻底清理系统内存和本地硬盘,并且打开系统设置软件,察看有无异常启动的程序。经常性更新升级杀毒软件和防火墙,加强防毒意识,掌握正确的防杀毒知识,避免木马的干扰。  4、控制面板— 管理工具 —服务—RISING REALTIME MONITOR SERVICE 点鼠标右键,改为手动。

  5、开始->运行->msconfig->启动,关闭不必要的启动项,重启。

  6、查看“ svchost ”进程。

  svchost . exe 是Windows XP系统的一个核心进程。 svchost.exe 不单单只出现在Window s XP中,在使用 NT 内核的 Windows系统中都会有svchost.exe的存在。一般在 Windows 2000 中svchost.exe进程的数目为2个,而在Windows XP中svchost.exe进程的数目就上升到了4个及4个以上。

  7、查看网络连接

  当安装了Windows XP的计算机做服务器的时候,收到端口 445 上的连接请求时,它将分配内存和少量地调配 CPU资源来为这些连接提供服务。当负荷过重的时候,CPU占用率可能过高,这是因为在工作项的数目和响应能力之间存在固有的权衡关系。你要确定合适的 MaxWorkItems 设置以提高系统响应能力。如果设置的值不正确,服务器的响应能力可能会受到影响,或者某个用户独占太多系统资源。

  要解决此问题,我们可以通过修改注册表来解决:在注册表编辑器中依次展开[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver ]分支,在右侧窗口中新建一个名为“maxworkitems”的 DWORD值。然后双击该值,在打开的窗口中键入下列数值并保存退出:

  如果计算机有512MB以上的内存,键入“1024”;如果计算机内存小于 512 MB,键入“256”。

  win xp系统CPU使用率高的问题,可能是遇到病毒、硬件问题或是系统设置不当引起的,上述内容从硬件、软件和病毒三方面为用户详细介绍了解决方法,希望对用户能有所帮助。

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