After upgrading to a new SSD, you may encounter SSD won’t boot issue. Or due to some reasons, you may come across SSD not booting issue. This article will show you 5 ways to fix SSD won’t boot issue.

When Windows won’t boot from SSD Windows 10, you may wonder: how this problem occurs? what are the reasons? Generally, there are some causes that will lead to SSD not booting. The below has list the most possible reasons to SSD won’t boot issue. Let’s check them out.

Reasons for SSD Won’t Boot

Here are some reasons for SSD not booting. Knowing the reasons, you can always find a solution for your SSD not booting.

  • SSD not booting after cloned from HDD
  • The SSD was not the first boot device
  • The system partition is not active
  • The file system of C drive may become corrupt or damaged.
  • The System files are damaged

Solution 1. Migrate System Disk with Professional Software if Cloned SSD Won’t Boot

If your cloned SSD won’t boot Windows 10, you can try using MiniTool Partition Wizard Pro Ultimate to migrate OS to SSD, which is a professional system disk migration tool.

As a professional system migration tool, MiniTool Partition Wizard will not only copy all the data on system disk to your SSD, but also it will automatically fix and update the boot information and parameters, which puts an end to SSD not booting issues’ occurrence.

Besides, MiniTool Partition Wizard is an all-in-one partition manager, which enables you to manage SSD partitions in a flexible way. It’s features like align all partitions (for SSD alignment), convert MBR to GPT are very useful for SSD users.

Next, let’s see how to migrate Windows 10 to SSD with MiniTool Partition Wizard.

Step 1. Get MiniTool Partition Wizard by clicking the following button. Install it on your computer to open the main interface.

Step 2. Choose the function Migrate OS to SSD/HD Wizard from the left panel.

choose Migrate OS to SSD/HD Wizard

Step 3. Here are two ways for you to migrate. You can choose to migrate OS only or migrate the whole system disk, and then click Next button to continue. Here I choose to migrate the whole disk.

choose a right method to migrate your system disk

Step 4. Select the destination SSD disk to migrate OS to and click Next. Be aware that the target disk will get overwritten, so a backup in advance might be necessary. 

select a destination disk

Step 5. Here you are able to edit partition size and location of every partition on the SSD. After you set up everything, click Next.

Note: There is an option “Align partitions to 1MB” which is checked by default. With it checked, all partitions on SSD will be aligned automatically so that performance can be improved largely.

edit partition size and location

Step 6. This page will tell you how to boot from the SSD. You need to enter BIOS to set the SSD as the first boot device and click Finish to go back to the main interface.

read the note to learn how to boot form the disk

Step 7. Click Apply button on the upper left corner to allow the pending operations.

click Apply

After clicking Apply, MiniTool Partition Wizard will ask for a restart, which is to protect system and data. You just need to click Restart Now, and then all changes will be made in boot mode.

Solution 2. Set BIOS Boot Order to give the SSD Boot Priority

SSD should be recognized as the primary boot device, in this case your computer can boot from SSD successfully. If not, you need to change BIOS boot order manually. Follow the steps as below to change BIOS boot order.

Step 1. Restart your PC. Continuously press a specific key (the key to enter BIOS can be different due to different computer manufactures but usually they are F2, F8, F12, Del) to enter BIOS Setup.

Step 2. Then, use the arrow keys to select Boot Option. Then select the new SSD as the new boot drive and save all the changes.

Step 3. Exit BIOS and restart your computer. Then you can check if SSD failed to boot issue has resolved or not.

Note: If you cloned the MBR HDD to GPT SSD, it is necessary to change boot mode from Legacy to UEFI. The wrong boot mode will cause the SSD won’t boot after clone.

Solution 3. Rebuild MBR for the SSD

If MBR is damaged, the system cannot be booted. In this situation, you can rebuild MBR with a reliable and professional partition magic like MiniTool Partition Wizard Pro Ultimate.

MiniTool Partition Wizard Pro Ultimate is a professional partition manager, which possesses many advanced feature compare with MiniTool Partition Wizard Free Edition. It can help you perform many advanced operations like change cluster size, recover lost partition, convert NTFS to FAT without data loss, convert dynamic disk to basic, etc.

Besides, it can resolve a lot of boot issues like Windows 10 blue screen of death. With its user-friendly interface and comprehensive functions, most users rate it as the most powerful and good-to-use partition manager.

When SSD won’t boot, you can use MiniTool Partition Wizard Bootable Edition to rebuild MBR.

Note: MiniTool Partition Wizard Bootable Edition is created by Bootable Media feature, which offers an ISO file for users to burn it to CD, DVD, or USB flash disk so as to make a bootable media.

Step 1. Get MiniTool Partition Wizard Pro Ultimate by clicking the following button. Install it on a normal computer and launch it.

Step 2. At the main interface, click the Bootable Media on the upper toolbar to launch Bootable Media Builder.

click Bootable Media to create a bootable USB drive

Step 3. Select WinPE-based media with MiniTool plug-in to continue.

choose WinPE-based media with MiniTool plug-in

Step 4. If you are using a USB flash drive, choose USB Flash Disk. If you are using other devices like CD/DVD, you can choose CD/DVD writer. Here I use a USB drive for demonstration.

choose USB Flash Disk to create a bootable USB drive

Step 5. Make sure there is no important files in the USB drive as the USB drive will be formatted to build a USB boot disk. Then click Yes to continue.

click yes to build a USB boot disk

Step 6. Click Finish after it burns successfully.

click Finish

Step 7. Insert the bootable USB or CD/DVD on your computer that SSD won’t boot. When you boot your computer successfully, you will receive the following page. MiniTool Partition Wizard will launch automatically.

the interface of MiniTool PE Loader

Step 8. When you get the main interface of MiniTool Partition Wizard Bootable Edition, you need to select the SSD and choose Rebuild MBR feature from the left action panel.

rebuild MBR

Step 9. At last, click Apply button on the top left corner to apply the change.

click Apply to rebuild MBR

Once it is completed, you can take out the boot disc or USB flash drive and restart the computer. If the SSD still won’t boot, you can try the next method.

Solution 4. Set SSD Partition Active

If you didn’t set the right partition as active, you are unable to boot SSD successfully. How to set the right SSD drive active? Follow the steps as below, and then you will find it is very simple.

Step 1. Follow step 1 to step 7 in Solution 3 to launch MiniTool Partition Wizard Bootable Edition.

Step 2. When you get the main interface of MiniTool Partition Wizard Bootable Edition, then select the system partition (You may check the status to see which partition needs to be set active.) and click on Set Active.

set active

Note: In MiniTool Partition Wizard Bootable Edition, all partitions including the system reserved partition and EFI system partition will be given a drive letter, so a partition’s drive letter can be changed, for example, the original boot partition’s drive letter may not be C. In this case, you can explore partition to see if it is the partition you want to manage.

Step 3. Click on Apply button to allow the change.

Finally, restart your computer and then check if your computer can boot up successfully.

Solution 5. Check and Fix the Boot Partition’s File System Error

Step 1. Follow step 1 to step 7 in Solution 3 to launch MiniTool Partition Wizard Bootable Edition.

Step 2. After that, select the boot partition and choose Check File System.

check file system

Step 3. To recover mistakes during the checking process, you should select Check & fix detected errors. After that, click Start button. Then MiniTool Partition Wizard will check/fix the file system error for you

check and fix file system error

After that, you can restart your computer and see if this method works.

Solution 6. Reinstall Window 10 on the New SSD

If none of these methods work, you’d back up important files on the SSD and reinstall Windows 10 by yourself. You can follow the steps as below to go ahead.

Step 1. Create a Windows 10 installation disc or USB flash drive with Windows 10 Media Creation Tool.

Step 2. Insert Windows 10 installation disc or USB flash drive to your computer that SSD won’t boot.

Step 3. Change the BIOS boot sequence to boot from the disc or USB drive.

Step 4. Select your language preference and click Next.

Step 4. Click Install now.

Step 5. Follow the on-screen instructions to let it install. See: How to Install Windows 10 on a New Hard Drive (with Pictures)

The installation process will start and your PC will reboot. When it’s finished, you just need to log in with your account.

After trying a few methods in this post, I successfully fixed SSD won’t boot Windows 10 issue. I would like to share this post with more friends whose Windows won’t boot from SSD.Click to Tweet

To Sum Up

After reading this post, have you learned how to fix it when SSD won’t boot? Now try these methods to fix SSD not booting issue!

If your SSD won’t boot, you can try the methods in this post to fix SSD boot failure. If you have any question about SSD won’t boot Windows 10 or you have other good solutions, you can leave a message in the following comment zone and we will reply as soon as possible. If you need any help when using MiniTool software, you can contact us via [email protected].

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