恢复到昨天或以前的系统设置：system restore

control panel -->
system maintenance -->
back and restore center -->
use system restore to fix problems and undo changes to windows -->
follow instructions

选择一个时间点，恢复系统就可以了。

所有跟帖： 

• It is not working:( -看手相518- ♀ (0 bytes) () 06/15/2010 postreply 17:12:37

• 试过了吗？没那么快吧， 至少也得20分钟才可以做完吧 -关键字- ♂ (0 bytes) () 06/15/2010 postreply 17:14:53

• under the "system restore", everything turned gray -看手相518- ♀ (22 bytes) () 06/15/2010 postreply 17:18:32

• 你以前可能把system restore 功能给关闭了 -关键字- ♂ (63 bytes) () 06/15/2010 postreply 17:22:27

• Thank you, I am checking for virus now -看手相518- ♀ (39 bytes) () 06/15/2010 postreply 17:24:19

• 还有， 先检查一下你的喇叭是不是mute了。 -关键字- ♂ (16 bytes) () 06/15/2010 postreply 17:17:50

• 以后要记住打开system restore 功能 -关键字- ♂ (38 bytes) () 06/15/2010 postreply 17:25:19

• Got it, thanks. -看手相518- ♀ (0 bytes) () 06/15/2010 postreply 17:29:28