No Bootable Device For Mac

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How to Fix No Bootable Device Error on Mac

If you are a Mac user who has installed Windows on a Boot Camp partition, you may encounter the error "No Bootable Device" when you try to boot your Mac. This error means that your Mac cannot find a valid operating system to start from. This can happen due to various reasons, such as incorrect boot drive selection, corrupted Boot Camp partition, or damaged Windows installation.

In this article, we will show you how to fix the No Bootable Device error on Mac using different methods. We will also recommend a reliable Mac data recovery software that can help you recover your lost data in case of any data loss during the process.

Method 1: Select Correct Boot Drive from Startup Manager

One of the simplest ways to fix the No Bootable Device error on Mac is to select the correct boot drive from the Startup Manager. The Startup Manager is a built-in feature that lets you choose which disk to boot from when you start your Mac. To access the Startup Manager, follow these steps:

Press and hold the power button for a few seconds to force shut down your Mac.

Power on your Mac, then immediately press and hold the Option key until you see a list of bootable disks.

Select the startup disk that contains macOS (usually named Macintosh HD), then click the arrow icon or press Return.

Your Mac should boot into macOS normally. To make it the default boot disk, go to Apple menu > System Preferences > Startup Disk. Click the lock icon and enter your administrator password, then select Macintosh HD and click Restart.

Method 2: Repair Windows in Boot Camp Partition

If the No Bootable Device error on Mac is caused by a corrupted or inaccessible Boot Camp partition, you may need to repair Windows using a Windows installer USB drive. You can create a Windows installer USB drive using another Windows PC or using Boot Camp Assistant on your Mac. To repair Windows in Boot Camp partition, follow these steps:

Connect your Windows installer USB drive to your Mac.

Restart your Mac and hold down the Option key to enter the Startup Manager.

Select the Windows installer USB drive and press Return.

Follow the on-screen instructions to enter the Windows Setup screen.

Select your language, keyboard layout, and time zone, then click Next.

Click Repair your computer at the bottom left corner of the screen.

Select Troubleshoot > Advanced options > Startup Repair.

Wait for the process to complete and restart your Mac.

Method 3: Repair Boot Camp Partition Using Disk Utility

Another way to fix the No Bootable Device error on Mac is to use Disk Utility to repair the Boot Camp partition. Disk Utility is a built-in tool that can check and fix disk errors on your Mac. To use Disk Utility to repair the Boot Camp partition, follow these steps:

Restart your Mac and hold down Command + R keys to enter macOS Recovery mode.

Select Disk Utility from the macOS Utilities window and click Continue.

Select BOOTCAMP from the sidebar and click First Aid at the top toolbar.

Click Run and wait for Disk Utility to scan and repair the partition.

Click Done and quit Disk Utility.

Restart your Mac and try to boot into Windows again.

Method 4: Erase Boot Camp Partition and Install Windows Again

If none of the above methods work, you may need to erase the Boot Camp partition and install Windows again. This will delete all your data on the Boot Camp partition, so make sure you have a backup before proceeding. To erase the Boot Camp partition and install Windows again, follow these steps:

Boot your Mac into macOS using the Option key as explained before.

Go to Finder > Applications > Utilities > Boot Camp Assistant and launch it.

If prompted, select Remove Windows 10 or later version and click Continue.

Follow the instructions to erase the Boot Camp partition and restore your Mac storage space. aa16f39245