How to Fix the "Invalid Partition Table" Problem

Jun 08, 2020 • Filed to: Partition Solutions • Proven solutions


Partitioning is the process of dividing the hard drive into more than one logical sections. These logical sections are then referred to ask partition. Most of the hard drives nowadays, when they come fresh from the manufacturers, only have one partition. Some users might be okay with just one partition but a lot of users nowadays prefer to do partitioning since it is definitely beneficial for them. It is up to the user’s discretion to create more than one partition with the hard drive.

There are numerous benefits to having more than one partition on your hard drive. For example, through having more than one partition, the efficiency of your computer’s processing power goes up. Another benefit to having more than one partition is that you can organize your data better. You can separate your system files from your user files. Even your operating system can be stored separately.

However, there are cases when the partitioning encounters some error. Remember that files are stored in the partitions. So if the partition tables become invalid or they get corrupted, then the entire drive will not function properly. When the drive is not functioning properly, you would face consequences such as data loss. That would mean that you are in deep trouble then.

When the computer is powered up, the system thoroughly examines the master partition table. By examining the table, the system can determine what exact volume to use to completely boot up your operating system. If there is an invalid information detected, that is when errors occur. This is oftentimes caused by missing or incorrect active partitions.

One of the most common problems that arise with partitioning the hard drive is the invalid partition table. One example is when your drive partition shows that is unallocated. At times, it might be that it shows error messages such as the following:

These are just some of the common error messages that users can see whenever they make a mistake with the partitioning. It would be a good idea to be as thorough as possible when creating the partitions then. Be very attentive with whatever you click during the process. Moreover, if this is the first time you are partitioning your hard drive, make sure to thoroughly understand the tutorials first and follow it to the last letter.

How to Fix an Invalid Partition Table Error

When you see an invalid partition table error, do not immediately panic. Never think that all hope is lost. After all, you can still try some troubleshooting steps to be able to get the partition table corrected and get your computer running back up.

The steps to troubleshooting the error should be easy to follow. Here are the basic troubleshooting steps that you can follow when you want to fix the invalid partition table error you are seeing on your computer right now:

  1. If the invalid partition table error happened while you are connecting to a new device, then you have to know exactly what those removable devices you have inserted. Disconnect all of them from the computer.
    fix invalid partition table step 1
  1. Restart your computer after completely disconnecting all of the removable devices. To restart the computer, click on the START menu. Look for the Shut Down button on the lower right of the START menu panel. You can see a right facing arrow on that button. Click on that and choose the RESTART option. There are cases when you have to hard restart the computer. You can do this by pressing the power button of your CPU for several seconds. Once the CPU turns off, you will have to press the power button again to turn the CPU back on.
    fix invalid partition table step 2
  1. Press the F8 key on your keyboard. By pressing the F8 key, you can launch the Advanced Boot Options screen. This is a screen with a black background which should allow you to start your Windows operating system in its advanced troubleshooting modes. Among the options that you can see on the screen, you will need to select on the REPAIR YOUR COMPUTER. You will have to wait for the recovery console of your computer to get started.
    fix invalid partition table step 3
  1. The next screen that will load on your computer monitor is called the SYSTEM RECOVERY OPTIONS. The said screen will actually list all of the operating systems that are currently installed on your computer. Click on the operating system that you are trying to repair or you want to restore. Once you have clicked on the operating system, click on the NEXT button located on the bottom of the screen.
    fix invalid partition table step 4
  1. Click on command prompt. In the command prompt, you will have to input "bootrec/fixmbr". Wait for the whole process to be completed. If the process is completed after, then you can check out. On the other hand, if it fails, you will have to repeat the process of inputting "bootrec/fixmbr" in the command prompt up until it gets completed.
    fix invalid partition table step 5
  1. DONE!

Things to Take Care of When Fixing the Invalid Partition Table

There are several things that you must take care of when you are trying to fix the invalid partition table error that you are seeing on your screen. First of all, know that the troubleshooting steps above are just meant for Windows-based computers. Moreover, be prepared for the fact that you might need to format your partitions. Formatting the partitions is actually the last option recommended for those encountering errors like invalid partition table. Remember that if you format the partition, then that means you will be losing some data. If that is okay with you or if you have a back up for your data, then go ahead with this last option.

Theo Lucia

chief Editor

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