You may be panic when attempting to boot your Windows computer but fail with “Invalid Partition Table” error message. In this article, we’ll share you 7 solutions to this issue.
Partition table is the table maintained on the hard disk by the operating system recording and describing the partitions on this disk. In a nutshell, it is extremely important in accessing drive partitions. Hence, if the partition table is damaged, the system will be unable to locate the partition to boot from. In other words, the system cannot boot up. Also, the data on this partition will tend to get corrupt too, like corrupt PST data. One of the most obvious symptoms for corrupted partition table is the error – “Invalid Partition Table” on system startup. In face of this error, do not worry. You can solve it by taking the following means.
1. Reconfigure Boot Sequence
Most of time, the error displays in that too many external drives being connected to the PC, leading to mistaken boot sequence. In this case, you can simply turn off the PC and unplug all the external drives and media bays. Then reboot the system and go into the BIOS interface to configure the boot order, leaving off everything except the internal hard disk. Lastly, reboot Windows to see if the error vanishes.
2. Change Partition Status via Diskpart
Among all partitions on the drive, there is only one that should be set as active to boot from. Thus, if there are two or more active partitions on the disk, the error will appear surely. In this case, you should check and change the partition status by the following steps.
- First off, boot your PC from the Windows install disc.
- Then, after several common selections, click on “Repair your computer”.
- Next, choose “Windows installation drive” and hit “Next”.
- Later, in the “System Recovery Options” box, opt for “Command Prompt”.
- Then, type “diskpart” and hit “Enter”.
- Afterwards, input “list volume” and hit “Enter” to check which partitions are active. Active volume will have a “*” next to its name.
- Next, type “select volume driveletter” to select the volume to be changed to inactive status and hit “Enter”.
- Subsequently, input “inactive” and press “Enter”.
- Lastly, try rebooting once again.
3. Rebuild Master Boot Record (MBR) Manually
“Invalid Partition Table” can occur from corrupted master boot record as well. So, it can be fixed by rebuilding the MBR. Now, follow the operations below:
- To start with, boot Windows from the installation disc.
- Then, choose “Repair your computer”.
- Next, select “Command Prompt”.
- Later, type the commands – “bootrec /fixboot”, “bootrec /scanos”, “bootrec /fixmbr” and “bootrec /rebuildbcd” one by one.
- Finally, restart your computer.
4. Resort to Third Party Tool
Assuming that all the mentioned solutions cannot eliminate this error, it is likely that the case is far more knotty than what we think. Under this circumstance, you can take aid of a related third party repair tool. There are many tools which are exclusive for fixing the corrupted partition table. You can choose a reliable tool to have a try.
5. Attempt System Restore
Moreover, you can restore your Windows to an earlier point in time when it can work as normally. After booting from Windows installation disc, choose “Repair your computer” > “Startup Repair”. Then, system will start searching for the issue and create corresponding restore point. You can follow onscreen instructions to complete system restore.
6. Reinstall Windows System
Provided that system restore fails, the only left DIY repair approach is to reinstall the Windows system. This can be accomplished with a Windows installation disc.
7. Ask Professionals for Help
Of course, if you don’t want to reinstall your PC Windows, you can take recourse to related professionals. Not only can they offer you many help suggestions, but also they are able to eradicate this error with effortless ease.
Shirley Zhang is a data recovery expert in DataNumen, Inc., which is the world leader in data recovery technologies, including damaged mdf and outlook repair software products. For more information visit www.datanumen.com