How to Fix Error No Such Partition Grub Rescue in Windows 10

Roxanne updated on Sep 11, 2020 to Partition Manager | How-to Articles

How to fix error no such partition grub rescue on Windows 10? Here are practical ways to try out.

Workable Solutions Step-by-step Troubleshooting
Fix 1. Rebuild the MBR and BCD Use EaseUS Partition Master and Windows 10 Automatica Repair tool to fix MBR and restore the BCD files to solve Windows 10 grub rescue issue...Full steps
Fix 2. Restore boot sector code Damaged boot sector code may cause the Windows 10 grub rescue error prompt. You should try to restore the boot sector code into consideration...Full steps
Fix 3. Configure the active partition Using the Diskpart to configure and set the system partition as active is another effective method to fix error no such partition on Windows 10...Full steps

About "Error No Such Partition. Grub Rescue"

"I was dual-booting Windows 10 and Linux Ubuntu on my desktop. Since the system was unable to detect Ubuntu in the initial menu that appears on rebooting, I deleted the partition onto which I had installed Ubuntu while in Windows 10. I then installed PowerISO, which prompted me to reboot the system. Now, however, it led me to the grub rescue prompt and said, "no such partition. Grub rescue>", How can I fix no such partition grub rescue Windows 10?"

No such partition is a common error that usually occurs in Windows & Ubuntu dual boot system. It always appears when you intend to boot your computer but get stuck at the boot screen with the following error messages:

Example 1:

error: no such partition.
grub rescue>

Example 2:

error: no such partition.
Entering rescue mode...
grub rescue>

error no such partition

Possible Causes of Error No Such Partition Grub Rescue

Windows 10 grub rescue occurs for the following reasons:

  • Corrupt boot directory
  • Deactivating the correct partition
  • Invalid boot loader configuration
  • Damaged boot sector code
  • Deleting/resizing/merging/splitting Ubuntu partition 

For the problems caused by these reasons, we give the following solutions to helping you solve no such partition, grub rescue error on Windows 10. 

How to Fix Error: No Such Partition Grub Rescue Windows 10

Try these practical methods to fix Windows no such partition grub rescue error.

1. Fix MBR and Rebuild BCD  

Part of GRUB lives in the Master Boot Record (MBR), while the other parts live in the Linux boot partition. At most times, the error no such partition grub rescue on Windows 10 happens after you deleting or formatting Ubuntu partition, which corrupts the MBR boot sector & boot sector code files and finally makes Windows 10 is unable to boot.

In this case, you can try to rebuild MBR and restore the BCD files to fix the issue. Both EaseUS partition management software and Windows 10 Automatic Repair can help you solve Windows 10 grub rescue problem.

Method 1. Rebuild MBR with EaseUS Partition Management Tool (Recommended)

EaseUS Partition Master makes it quite simple to partition hard drives on Windows 10/8.1/8/7/Vista/XP and take full advantage of your disk space for best computer performance. With this tool, you can rebuild MBR effortlessly with a wizard-like interface.

Download Now

 Windows 10 is supported

Except for the partition checking and repairing function, EaseUS Partition Master provides more one-stop disk partition features, such as resize/move partition to solve low disk space issue, clone disk, merge partitions, create/delete/format partition, wipe data, and disk/partition conversion (convert MBR to GPT), and more.

Step 1. Create a WinPE bootable disk.

  • Download and launch EaseUS Partition Master on a new PC which runs the same system as yours.
  • Click "WinPE Creator" on the toolbar. And select to create the bootable disk on a USB drive. If your computer has a CD/DVD drive, you can also create the bootable disk to CD/DVD.
  • Click "Proceed" to finish the process.
create a bootable disk

Step 2. Rebuild MBR.

  • Connect the bootable USB or CD/DVD to your PC.
  • Press "Del" when you are restarting the computer. Boot your computer from "Removable Devices" or "CD-ROM Drive". And then EaseUS Partition Master will run automatically.
  • Right-click the disk whose MBR is damaged. Choose "Rebuild MBR" to continue.
rebuild MBR
  • Select the type of MBR with the current operating system. Then, click "OK".
rebuild MBR
  • Click the "Execute 1 Operation" button at the top-left corner and click "Apply" to build the MBR. After that, your computer can boot normally again.
rebuild MBR
Download Now

 Windows 10 is supported

Method 2. Fix MBR and Restore the BCD with Windows 10 Automatic Repair

You can also use the Windows 10 Automatic Repair feature to fix error no such partition grub rescue in Windows 10. When Windows 10 is unable to boot, you can restart the system several times and the system will enter into WinRE mode. Or you can use a Windows 10 bootable media (DVD or USB flash drive) to get into this recovery environment.

Here's the step-by-step guide.

Step 1. Connect the Windows 10 bootable media to your computer (DVD disc or USB flash drive).

Step 2. In WinRE mode, under the "Choose an option" tab, click the "Troubleshoot" button. 

Step 3. Then click the "Advanced options" feature. In the pop-up window, choose "Command Prompt" to start to fix BCD files. 

error no such partition grub rescue
Step 4. Once CMD starts, type the following commands in turn: 

bootrec /fixmbr
bootrec /fixboot
bootrec /rebuildbcd 

Step 5. Close Command Prompt and restart your computer. 

Rebuild MBR and BCD is an applicable method in fixing error no such partition grub rescue in Windows 10. However, if you are still experiencing the issue, you may proceed to the next solution.

2. Restore Boot Sector Code with Windows 10 Automatic Repair

Damaged boot sector code may cause the Windows 10 grub rescue error prompt. If rebuilding MBR can't fix Windows 10 grub rescue issue, you should try to restore the boot sector code into consideration with the Windows repair option.

Step 1. Restart your PC a few times during the boot sequence.

Step 2. From the list of options, select "Troubleshoot" > "Advanced options" > "Startup Repair".

Step 3. The repair process will now start.

Step 4. After the repair process finishes, check if error no such partition is resolved.

You can also solve this problem by using a Windows bootable DVD or USB flash drive. To start restoring the boot sector code, follow the steps shown below:

Step 1. Connect your USB flash drive to your computer or insert Windows 10 DVD to your PC.

Step 2. Restart the computer to enter into Automatic Repair mode.

Step 3. Click "Troubleshoot" > "Advanced Options" > "Command Prompt" to open CMD.

Step 4. In the CMD window, type the following command and hit Enter afterward:

diskpart
select disk 0
list volume

Step 5. Now, all volumes will be displayed here. In the Type column, you will find the "DVD-ROM" value,  remember the drive letter of the Windows 10 bootable disc. Here we take the letter F as an example. Type the following command lines and hit Enter afterward:

Exit
F:
cd boot
Dir

Step 6. Next, you need to check if you have bootsect.exe files in the list. If so, enter the following command:

bootsect /nt60 SYS /mbr
Exit
bootsect nt60 SYS mbr

Step 7. Exit the command prompt and restart your computer. Check if no such partition grub rescue error is resolved.

3. Configure and Set Active Partition  

A very common cause for error no such partition to show up is not having the correct partition set as active. The BIOS tries to start the boot loader up from the active partition, and the bootloader searches for its configuration data from the active partition as well. So if the active partition is corrupted or incorrectly set, the Error: no such partition. Grub rescue can happen. 

Like rebuilding MBR demonstrated below, you have two ways to set system partition as active: one is using EaseUS partition management software, and the other is using Diskpart to manually input command lines to finish the job.

Method 1. Set Active Partition in One-click by Using EaseUS Partition Master

Step 1. Download and launch EaseUS partition manager software.

Step 2. On the disk map, right-click the desired partition and choose "Set Active". The software will automatically execute the operation and create an active partition for you.

set active

Method 2. Mark System Partition as Active Using Diskpart

Step 1. Use diskpart from the command line to set the correct partition.

Step 2. Connect the Windows 10 bootable media to your computer (DVD or USB flash drive).

Step 3. Restart your computer to enter into Automatic Repair mode.

Step 4. Go to "Troubleshoot" > "Advanced Options" > "Command Prompt" to launch the CMD.

Step 5. Now, Type diskpart and hit the Enter. Type the following commands in order and hit enter afterward:

list disk: (this lists all hard drives in your computer)
select disk n: (n means the disk where Windows 10 is installed. Here you can choose disk 0 or any other disk where Windows 10 is installed)
list volume: (this list all volumes on system disk)
select volume n: (n refers to the number of system partition)
active: (it can mark the correct system partition active)

fix error no such partition by setting active partition

Type quit to exit Command Prompt. Restart your PC and check if this resolves the Windows 10 grub rescue error.

Final Verdict

You can use the three most effective ways to fix Windows 10 grub rescue problem. You can learn that both Windows Automatic Repair and EaseUS Partition Master can be helpful in resolving the problem.

We highly recommend you use EaseUS Partition Master to help you partition the hard drive correctly. Using the tool is far easier than the manually inputting command lines to fix error no such partition grub rescue on Windows 10.

All you need to do is download and launch the program, select the partition, and then choose precisely what you want to do with it. EaseUS Partition Master allows you to directly transfer space from one drive to another to make full use of disk space.

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 Windows 10 is supported

FAQs About Error No Such Partition Grub Rescue

Do you have more questions about fixing error no such partition entering rescue mode on Windows 10? If so, check the following hot topics and their answers.

How do I fix error no such partition?

In conclusion, you have three ways to fix error no such partition:

  • Fix 1. Rebuild the MBR and BCD
  • Fix 2. Manually configuring the active partition
  • Fix 3. Restore boot sector code

How do I fix grub error no such partition unknown file system?

Corrupted or damaged MBR or BCD may cause grub error no such partition unknown file system, try to rebuild MBR and BCD files at first. If MBR fixing is not useful, continue trying to restore the boot sector code and make system partition as active to make sure your Windows can reboot properly.

How do I get rid of grub rescue error?

You can use the three solutions to solving Windows 10 grub rescue error. In order to prevent this issue from happening again, you should pay attention to the following points:

  • If you want to delete the Ubuntu operating system on both systems, you should do it the right way.
  • If you want to reinstall the Ubuntu operating system, make sure you install the new system to the original partition.
  • You'd better not restore your Ubuntu to the old version, or you will damage Grub.

How do you fix error attempt to read or write outside of hd0?

When you try to I install Ubuntu on an older computer after the installation finished, you may encounter the following problem while rebooting the computer:

error: attempt to read or write outside of disk' hd0'.
Entering rescue mode...
grub rescue>

To fix this issue, you can make a boot repair USB disk and use the Windows automatic repair feature to troubleshoot. Or you can try some workarounds from the technical forum. 

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