笔记本电源适配器为什么总坏
Most of the time our AC adapters and power supplies tend to be quiet, but what does it mean when one makes a whining noise? Should you be concerned? Today’s SuperUser Q&A post has the answers to a worried reader’s questions.
大多数时候，我们的AC适配器和电源往往比较安静，但是当发出嘶哑的声音时，这意味着什么呢？ 你应该担心吗？ 今天的“超级用户问答”帖子为读者提供了一个令人担忧的问题的答案。
Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-dr
