You should write-protect all disks that you do not usually need to write to .

你应该 对你通常不需要 写入 内容的磁盘 进行写 保护。

It is expanded the trouble and the maintenance of the floppy disk drive of 3.5 inches which is the storage of the computer . Then it is emphasised the trouble of seeking track and the trouble of the magnetic head and the trouble of the write-protect .

文章详细阐述了计算机 常用3.5英寸软盘驱动器 经常出现的故障及其排除方法，重点讲解了软驱寻道故障、软驱磁头故障和 软驱 写 保护故障。

Save failed because disk is write-protect or disk is not ready !

存盘未成功，可能是磁盘有 写 保护或没有准备好。