也可能是耳机插头坏了，windows错误地觉得插着耳机，禁止喇叭的功放

来源: mc3361 于 2012-04-18 10:13:38 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.