Fix Invalid Partition Table Error in Dell Windows 10

Understanding the Invalid Partition Table Error

The Invalid Partition Table Error is a common issue that can occur on Dell computers running Windows 10. This error message typically appears when there is a problem with the partition table on your hard drive.

Causes of the Invalid Partition Table Error

There are several possible causes for this error, including:

1. Corrupted partition table: This can happen due to improper shutdowns, disk errors, or software issues.
2. Incorrect boot settings: If your computer is trying to boot from a non-bootable device, such as a USB flash drive or DVD, you may encounter this error.
3. Disk partitioning errors: If the partitioning on your hard drive is not set up correctly, it can lead to this error.

Fixing the Invalid Partition Table Error

To fix the Invalid Partition Table Error, you can try the following steps:

1. Restart your computer and enter the BIOS settings by pressing the appropriate key during startup (usually F2 or Del).
2. Check the boot order and make sure your hard drive is set as the first boot device. Save the changes and exit the BIOS.
3. If the error persists, try booting from a Windows 10 installation disc or a bootable USB drive.
4. Once you’re in the Windows Setup menu, choose “Repair your computer” and select “Troubleshoot.”
5. From the Troubleshoot menu, select “Advanced options” and then “Command Prompt.”
6. In the Command Prompt, type “bootrec /fixboot” and press Enter. This will repair any issues with the boot sector.
7. Next, type “bootrec /fixmbr” and press Enter to fix the master boot record.
8. Finally, type “exit” and press Enter to exit the Command Prompt.
9. Restart your computer and check if the Invalid Partition Table Error has been resolved.


The Invalid Partition Table Error can be frustrating, but with the right steps, you can fix it.

Resolving the Invalid Partition Table Error on Dell Windows 10

If you encounter the “Invalid Partition Table” error on your Dell Windows 10 computer, don’t worry, there are steps you can take to fix it.

First, create a boot disk using a USB flash drive. You can use tools like Clonezilla or download a bootable ISO image to create the boot disk.

Next, insert the boot disk into your Dell Windows 10 computer and restart it. Boot from the USB drive by changing the boot order in the BIOS settings or using the boot menu.

Once you’ve booted from the USB drive, you’ll be presented with a menu. Use the arrow keys to navigate to the option that allows you to repair or fix the invalid partition table error.

Follow the on-screen instructions to complete the repair process. This may involve fixing disk partitioning or performing other necessary tasks.

After the repair process is complete, remove the boot disk and restart your computer. Your Dell Windows 10 computer should now boot up without encountering the “Invalid Partition Table” error.

If you continue to experience issues or need further assistance, reach out to Dell’s technical support team for personalized help. They can provide additional guidance and troubleshooting steps to resolve the error.

Updating the BIOS Version

1. Identify your Dell model: Visit the Dell website and locate your specific model to download the correct BIOS update.

2. Download the BIOS update: Once on the Dell website, search for the BIOS update using your model’s service tag or manually select the appropriate version.

3. Prepare a bootable USB drive: Create a bootable USB drive using a utility like Rufus or the Windows 10 Media Creation Tool.

4. Copy the BIOS update: Copy the downloaded BIOS update file to the bootable USB drive.

5. Boot from the USB drive: Restart your Dell Windows 10 computer and press the appropriate key (usually F12 or F2) to access the boot menu. Select the USB drive as the boot device.

6. Update the BIOS: Follow the on-screen prompts to update the BIOS. Be sure to follow any additional instructions provided by Dell.

7. Restart your computer: Once the BIOS update is complete, restart your computer.

After updating the BIOS, the “Invalid Partition Table Error” should be resolved.

Fixing Corrupted MBR

If you are encountering the “Invalid Partition Table Error” on your Dell Windows 10 computer, it may be due to a corrupted Master Boot Record (MBR). The MBR is a critical component responsible for the booting process and drive letter assignment.

To fix this issue, follow these steps:

Step 1: Insert a Windows installation DVD or create a bootable USB drive using a tool like Rufus or the Windows Media Creation Tool.

Step 2: Boot your computer from the Windows installation media.

Step 3: Select your language preferences and click “Next.”

Step 4: Click on “Repair your computer” at the bottom left corner of the screen.

Step 5: In the options menu, choose “Troubleshoot” and then “Advanced options.”

Step 6: Select “Command Prompt.”

Step 7: In the Command Prompt window, type the following command and press Enter: bootrec /fixmbr

Step 8: Wait for the process to complete and then restart your computer.

Following these steps should fix the “Invalid Partition Table Error” caused by a corrupted MBR on your Dell Windows 10 computer. If you continue to experience issues, consider reaching out to our technical support team for further assistance.

Checking for Bad Sectors

  • Step 1: Run the built-in Windows tool, Check Disk (chkdsk), to scan and repair any bad sectors on your Dell Windows 10 computer.
  • Step 2: Open the Command Prompt as an administrator by searching for “cmd” in the Windows search bar, right-clicking on “Command Prompt,” and selecting “Run as administrator.”
  • Step 3: Type the command “chkdsk /f /r” and hit Enter to initiate the disk checking process.
  • Step 4: If prompted, allow the system to schedule the disk check on the next restart by typing “Y” and pressing Enter.
  • Step 5: Restart your computer and wait for the disk check process to complete. This may take some time depending on the size of your hard drive.
  • Step 6: Once the disk check is finished, Windows will automatically fix any errors it found, including invalid partition table errors.
  • Step 7: After the computer restarts, check if the “Invalid Partition Table” error still persists. If it does, proceed to the next troubleshooting steps.
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