Table of Contents
一、检查物理连接与端口
二、调整访达显示设置
三、使用磁盘工具挂载与修复
四、格式化存储设备为兼容格式
五、通过终端命令强制识别
Home Computer Tutorials Computer Knowledge Why can't Apple computer recognize USB drive? Check ports and formatted storage devices

Why can't Apple computer recognize USB drive? Check ports and formatted storage devices

Sep 05, 2025 pm 08:42 PM
windows computer U disk macbook tool apple mac macos win for cos USB disk formatting 苹果电脑维修

首先检查U盘与Mac的物理连接是否正常,尝试更换端口或移除转接头;若连接无误,进入访达偏好设置并确保“外置磁盘”在桌面和边栏中显示;若仍未识别,打开磁盘工具查看U盘是否被系统检测到,若显示“未挂载”则点击挂载,若提示损坏可运行急救修复;若因文件系统不兼容(如NTFS),可在磁盘工具中将U盘格式化为exFAT或MS-DOS(FAT)格式(注意此操作会清除数据);若上述方法无效,通过终端执行diskutil list命令查找U盘设备标识,再使用diskutil mount命令手动挂载。

Why cant Apple computer recognize USB drive? Check ports and formatted storage devices

如果您尝试将U盘插入苹果电脑,但系统没有任何反应或无法在访达中看到设备,则可能是由于硬件连接问题、文件系统不兼容或系统设置所致。以下是解决此问题的步骤:

本文运行环境:MacBook Pro,macOS Sonoma。

一、检查物理连接与端口

排除硬件层面的接触不良或接口故障是首要步骤,确保U盘和电脑的物理连接正常。

1、将U盘从当前USB端口拔出,尝试插入电脑上的另一个USB-C或USB-A端口。

2、如果使用转接头或扩展坞,请将其移除,将U盘直接连接到电脑的原生端口。

3、将U盘插入另一台电脑或设备,确认其能否被正常识别,以判断是U盘故障还是当前Mac的问题。

二、调整访达显示设置

即使U盘已被系统识别,若访达未设置为显示外置磁盘,则不会在桌面或边栏中出现图标。

1、点击屏幕左上角的访达,在下拉菜单中选择偏好设置

2、切换到通用标签页,在“在桌面上显示这些项目”区域,勾选外置磁盘

3、切换到边栏标签页,在“位置”列表中,确保外置磁盘选项已被勾选。

4、关闭窗口,重新插入U盘,查看是否显示。

三、使用磁盘工具挂载与修复

磁盘工具可以检测U盘是否被系统底层识别,并执行挂载或修复操作,解决逻辑错误。

1、打开启动台其他磁盘工具

2、在左侧设备列表中查找您的U盘。如果设备显示为灰色且有“未挂载”提示,选中它并点击顶部的挂载按钮。

3、如果U盘显示异常,如提示“已损坏”,选中设备后点击急救,然后点击运行以尝试修复文件系统错误。

四、格式化存储设备为兼容格式

若U盘使用NTFS或其它Mac不支持写入的格式,可能导致无法正常访问,重新格式化可解决兼容性问题,但会清除所有数据。

1、打开磁盘工具,在左侧选择您的U盘(注意选择正确的设备,避免误操作)。

2、点击工具栏中的抹掉按钮。

3、在弹出窗口中,为U盘设置一个名称。

4、在“格式”下拉菜单中,选择exFAT(适用于在Mac和Windows之间共享文件)或MS-DOS (FAT)(适用于32GB以下U盘)。

5、在“方案”中选择GUID 分区图

6、确认信息无误后,点击抹掉按钮开始格式化。

五、通过终端命令强制识别

当图形化工具无法检测到U盘时,可通过终端命令行工具查看设备列表并尝试手动挂载。

1、打开应用程序实用工具终端

2、输入命令 diskutil list 并回车,查看输出的设备列表,找到您的U盘对应的标识(如 /dev/disk2)。

3、确认U盘标识后,输入挂载命令 diskutil mount /dev/diskX(将X替换为实际的磁盘编号)并回车。

4、如果命令执行成功,U盘应会在访达中显示。

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