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提升系统性能?注册表来帮你

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　　注册表是Windows程序员建造的一个复杂的信息数据库，它是多层次式的。在不同系统上注册表的基本结构相同。其中的复杂数据会在不同方式上结合，从而产生出一个绝对唯一的注册表。 为此,通过更改注册表可以产生很多不同的作用,今天为大家讲解的是利用注册表提升系统性能.

　　尽管修改注册表对系统影响不像想象中恐怖,但设置错误也会对系统有影响.在修改注册表前先备份.

　　备份注册表方法:

　　点击"开始"-"运行",在框内输入"regedit"并按回车继续,即可打开注册表编辑器.

　　将需要修改的注册表展开,选中并单击右键"导出",注册表编辑器会将导出的数值保存为.reg文件,注意先将该文件保存至硬盘.

　　需要还原注册表值,只需双击.reg文件即可恢复.

　　做好准备工作,我们可以进行提速了.

　　注册表提速第一招:缩短AeroPeek相应

　　Windows7为我们提供了AeroPeek,提升了视觉体验.但启动AeroPeek的响应时间较长,如何让它启动更快?

　　1.打开注册表编辑器(打开步骤见上文),并依次展开:

　　HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced

　　2.右键在此处单击,选择新建-DWORD(32位)值,并将新值命名为DesktopLivePreviewHoverTime.

　　注册表新建值

　　3.双击新建DWORD值启动,在"库"下点击"十进位",并输入延迟时间(该键值单位:毫秒).点击确定后,AeroPeek的启动时间便默认为新建值.

　　4.注销系统,再次登录时,AeroPeek的启动时间会变快.

　　注册表提速第二招:任务栏预览提速

　　Windows7任务栏提供预览,系统默认延缓时间为400毫秒,或30秒之内.如果你认为此项要提速,还是要修改注册表才能实现.

　　1.打开注册表编辑器,依次展开:

　　HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced

　　2.右键在此处单击,选择新建-DWORD(32位)值,并将新值命名为"ExtendedUIHoverTime".

　　3.双击启动ExtendedUIHoverTime,在"库"下点击"十进位",并输入延迟时间(该键值单位:毫秒),默认为400毫秒,所以要提速就输入比400毫秒要小的值.点击确定并关闭注册表编辑器.

　　4.注销系统,再次登录体会所修改的时间,是否快了呢?

　　注册表提速第三招:菜单提速

　　Windows7和Vista的系统菜单也可以减少响应时间,只需在注册表编辑器改值:

　　1.打开注册表编辑器,依次展开HKEY_CURRENT_USER>ControlPanel>Desktop

　　2.找到MenuShowDelay,双击启动.调整数值(系统默认400毫秒,或30秒,计数单位为毫秒).

　　3.注销系统,再次登录体验效果.

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