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What does Invalid partition table on Windows 7 mean?
In Dell Technologies, a post said "How to fix an Invalid Partition Table error on a system with a Solid-State Drive (SSD)?”If you also want to solve this problem, please read and follow our fix. This passage can be helpful.
First, What does Invalid partition table on Windows mean? Customarily, the error generally appears on startup with a black screen, especially if you are trying to install Windows 7 on an SSD from scratch or using a custom image. When this error suddenly displays when you boot your computer, it usually means:
- What does Invalid partition table on Windows 7 mean?
- Wrong boot order/sequence
- Outdated BIOS
- Two or more partitions marked as active partitions on the hard drive.
- MBR (master boot record) is corruptedor damaged.
- Bad sectors on the system partition
How to fix Invalid partition table on Windows 7, 8, 10, 11
To fix Invalid partition table on Windows PCs, here are 4 methods.
Fix 1. Create a bootable USB to rebuild MBR
The corrupted or damaged MBR will lead to the Invalid partition table on Windows 7. To repair it, you just need to create a WinPE bootable USB and then rebuild the MBR with AOMEI Partition Assistant. This smart partition manager also helps you to recover lost data from complex scenarios, effectively manage partitions, and allows you to install Windows 11 on a Windows 7 PC.
You can download it for free and experience its powerful management capabilities.
AOMEI Partition Assistant
The Best Windows Disk Partition Manager and PC Optimizer
Step 1. Install and run it to a normal Windowscomputer with the same systemon yours, like Windows 7.
Step 2. Connect a USB flash drive with the PC, and execute the program. SelectMake Bootable MediaunderTools. Then hitNext.
Step 3. Choose aUSB Boot Deviceto create bootable media. PressProceed.
Step 4. Then boot your corrupted Dell Windows 7/8/10/11PC from the bootable media. Then the AOMEI Partition Assistant will execute automatically. And clickRebuild MBRat the drop-down menu of the selected hard drive.
Step 5. Select the rightMBR typefor your Windows 7/8/10/11 Dell PC, hit OK.
Step 6. Then clickApplyat the top left corner to restore the corrupted partition table.
You may find an invalid partition table error on Dell, Acer, Lenovo, HP, etc. has been fixed.
Fix 2.Update BIOS to the latest version
If the BIOS is outdated, you may encounter Invalid partition table on startup issue. To update, you can run UEFI setup. First, insert your USB containing the BIOS files. Then entertheBIOS. If youcan’t get into BIOS on Start up only Boot Manager, you can click to read the solutions.
Here's how you'll do the rest:
Step 1.Connect the USB and turn on your PC.
Step 2.To enter the BIOS, pressF10, F12, or F2(depending on your PC/motherboard). Or you can runUEFI BIOS Boot Options Managerprovided by AOMEI Partition Assistant to enter BIOS.
Step 3.Once in BIOS, boot from USB.
Step 4.Once on the USB drive, choose the BIOS files.
Step 5.Confirm when the BIOS prompts.
Once you confirm, the BIOS will upgrade in around 2-3 minutes. Once completed, your BIOS will be upgraded, and your computer will restart in Windows. Now, your BIOS has been updated, you can check if the Invalid partition table disappears in your Windows 7, 8, 10, 11 computer.
Fix 3. Check hard drive
You will get the Invalid partition table error on Windows 7, 8, 10, and 11if the partition table is stored in bad sectors. This means that the partition table is not valid. You could use that multifunctionalsoftware AOMEI Partition Assistantto scan and check for bad sectors on the hard drive and fixinvalid partition table.
Step 1. SelectDisk Surface Teston the main window after running AOMEI Partition Assistant.
Step 2. ClickStartto check bad sectors.
Fix 4. Change the boot order from BIOS
When you install Windows 7 from a new SSD but don't change its boot order/sequence, you may encounter invalid partition table on Windows 7, 8, 10, 11. You can follow the steps to correct it.
Step 1. When you open the BIOS setup utility, you'll usually see a menu with a number of choices. To move around in the menu, press the arrow keys on your keyboard.
Step 2.Look for a section labeled "Boot" or "Boot Order." The exact name and location may vary depending on your BIOS version.
Step 3.Within the "Boot" section, you'll see a list of available drives or devices. This list represents the boot order, with the topmost drive being the current boot disk.
Step 4.Select the current boot disk and press Enter or follow the instructions provided to change the boot disk.
Step 5.From the list of available drives, choose the new boot disk. If the desired drive is not listed, ensure it's properly connected to your computer. Use the designated keys (usually + or -) to move the new boot disk to the top of the boot order.
Step 6.Save the changes and exit the BIOS setup utility. Look for an option like "Save and Exit" or "Exit and Save Changes."
Your computer will restart, and it should now boot from the selected disk if it contains a compatible operating system.
Conclusion
The Invalid partition table on Windows 7, 8, 10, 11 can be effectively solved by following our guide. AOMEI Partition Assistant is your good friend in managing disk and partition. For example, you can use it to install SSD in laptop without reinstalling Windows, delete, merge, clone, resize partitions, upgrade Windows 7 system hard drive, fix Windows 7 100% disk usage, and so on. For Windows Server users, this powerful software offers the Server edition.
