为何有的磁头检测这么慢

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[img]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\19995119\QQ\WinTemp\RichOle\%TI34(4B8$W9PI4H{NU_@5I.jpg[/img][img]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\19995119\QQ\WinTemp\RichOle\%TI34(4B8$W9PI4H{NU_@5I.jpg[/img] 请问为何有的磁头检测这么慢啊,这样有问题么?