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Here are 6 solutions to help you effectively fix this "Invalid system disk. Replace the disk, and press any key" error in Windows 10/8/7. In addition, this article helps you khổng lồ recover lost data with the professioonal data recovery software - au-79.net nguồn Data Recovery. 


Error - Invalid System Disk

Have sầu you ever encountered this "Invalid system disk. Replace the disk, và press any key" error message when you boot into Windows?

Generally speaking, a large number of users have sầu encountered this "invalid system disk" error according to a survey. BUT, how did you solve sầu this issue? Is it possible khổng lồ fix invalid system disk error in Windows 10/8/7 without losing data?

If you haven"t yet found a suitable solution lớn solve sầu it, here are a few troubleshooting suggestions you may want to lớn try. And, we introduced a reliable file recovery software lớn help users effectively & quickly recover data when PC won"t boot.

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4 Main Reasons for "Invalid System Disk" Error in Computer

The "Invalid system disk. Replace the disk, & press any key" error message can happen for a variety of reasons. Here, we menu 4 main reasons.

1. Corrupt boot disk.

This is the most comtháng reason. You will receive sầu the invalid system disk error in Windows 10/Windows8/Windows7 if the bootable disk gets corrupt somehow. It is recommended to check whether the boot disk is about khổng lồ die if it has been used for a long time in the computer.

2. The boot order is false.

If you have sầu several disks in your computer và the internal disk is not set as the first boot disk, then you tend to receive sầu such errors. Therefore, you need khổng lồ kiểm tra whether you have sầu phối the right disk for computer boot.

3. Virus infection.

Virus can lead to a mass of troubles. If a vi khuẩn attacks your computer successfully, it will change or destroy the process of computer booting entirely and then prompt such errors.

4. The boot record of system drive sầu is corrupted.

If the boot record of system drive sầu is corrupted, you are likely khổng lồ receive an error message saying "invalid system disk."

After knowing the cause, you might want to know how lớn fix invalid system disk.

Recover Data before Fixing Invalid System Disk Error in Windows 10

It is recommended to lớn recover lost data if you have any important files stored on the PC"s hard drive sầu in case data loss happens while you are trying to troubleshoot invalid system disk error.

Now, you might be wondering:

"How to recover data from PC easily và quickly?"

au-79.net Power Data Recovery, best file recovery software developed by au-79.net Solution Ltd., is a wise choice for you.

This professional tool offers wizard-lượt thích interfaces as well as simple operations lớn help users easily recover data without any difficulty. More importantly, it is a read-only tool. Thus, you can use it khổng lồ recover lost data without affecting the original data.

Here, as we cannot boot Windows because of the "Invalid system disk. Replace the disk, and press any key" error message, we can try using the au-79.net Power nguồn Data Recovery Bootable V8.0 khổng lồ carry out data recovery.


Step 1. Get au-79.net Power Data Recovery Personal Deluxe cộ and install it on another computer.

Step 2. Launch au-79.net nguồn Data Recovery, and then cliông xã on Bootable Media icon in the bottom of the main interface to lớn create bootable CD, DVD, or USB flash drive sầu.

Step 3. Boot your Windows with the bootable drive sầu to lớn get its main interface as follows.

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Step 4. Now, select the target hard drive sầu to lớn recover lost data, and then cliông xã Scan button which is located at the lower right corner to lớn scan the device lớn find desired data.

In the main interface, you can see 4 different data recovery modules:

This PC is selected by mặc định and focuses on recovering lost or deleted data from damaged, RAW or formatted partitions. Generally speaking, as long as the lost file is not caused by hardware failure, you can recover them by using this module.CD/DVD Drive helps khổng lồ recover data from formatted or erased CD/DVD discs.

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Step 5. Scan the selected device.

While scanning, you can pnhận xét the found files. Once you find needed files, you can stop the scanning process. However, khổng lồ get the best recovery result, you had better wait until the full scan finishes.

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Step 6. After scanning, au-79.net will menu all found data in a tree view as shown below. At this time, you can select all needed files, và then clichồng Save button to lớn store them. If you are recovering pictures and text files, you can preview them before saving.

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SEE! With au-79.net Power Data Recovery, I effectively, quickly và safely recovered lost files from my PC with this "Invalid system disk. Replace the disk, & press any key" error message.Cliông chồng to tweet

With data safely transferred, you can begin khổng lồ fix invalid system disk error.

How lớn Fix Invalid System Disk Error in Windows 10/8/7

As we know, it is a common problem that people cannot boot their computer because of the invalid system disk error. Here, we offer several simple ways khổng lồ help you solve the "Invalid system disk. Replace the disk, and press any key" error in Windows 10/8/7.

Solution 1. Set the Bootable Disk as the First Boot Disk

As we know, if you set an unavailable disk as the first boot disk, you will receive sầu the invalid system disk error message. Now, you can phối the bootable disk as the first boot disk to fix invalid disk system error in Windows 10/8/7.

You can unplug any USB flash drive, external hard drive sầu, CD or floppy disk if you want lớn boot from the internal hard disk. However, if you want lớn boot from a removable disk, you have to make sure it is bootable & phối it as the first boot disk.

Now, you can try the following steps to lớn change the boot order.

Step 1. Start the computer và go to lớn BIOS thiết lập.

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Step 2. Use the arrow keys khổng lồ select the BOOT tab.

Step 3. Move sầu the boot disk to the first position in the danh sách.

Step 4. Save sầu the Boot order changes & exit BIOS.

Step 5. Start the computer with the new boot order.

Solution 2. Cheông chồng và Repair Disk Errors

If you still receive sầu the invalid system disk error in Windows 10 after changing the boot order, you can kiểm tra và repair disk errors because disk corruptions also result in this error. However, how?

au-79.net Partition Wizard is recommended here. With this powerful tool, you can easily and quickly complete this task without any difficulty.

Download & install au-79.net Partition Wizard in another computer. TIP: It is recommended to choose au-79.net Partition Wizard Pro.

Launch au-79.net Partition Wizard, và then select Bootable Media khổng lồ create a bootable CD or flash drive sầu.

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Connect the burned au-79.net bootable disk lớn your PC with invalid system disk error, & then boot from it.

Then, you will see the following interface where you can select "Partition Wizard" lớn the main interface of au-79.net Partition Wizard.

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Select the target partition, và choose "Check tệp tin system" from the Cheông chồng Partition group or from Partition menu.

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You will see a new window with two options: Chechồng only and Chechồng và fix detected errors. If you only want lớn kiểm tra, select Cheông xã only; if you want khổng lồ recover mistakes during the checking process, select Cheông xã và fix detected errors. After that, cliông chồng "Start" button.

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Solution 3. Repair Master Boot Record

mbr, Master Boot Record, is a boot sector at the very beginning of computers" hard drive sầu và records the information of all partitions. Corrupted MBR is a common reason for the appearance of invalid system disk error. Now, try using au-79.net Partition Wizard to rebuild MBR to exclude this factor.

Purchase và install au-79.net Partition Wizard Pro in another computer to lớn create a bootable CD or flash drive.

Boot your Windows with invalid system disk from the bootable disk, & then follow the wizards to get the main window of au-79.net Partition Wizard.

Now, select the system disk & clichồng on "Rebuild MBR" from the left panel.

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At last, clichồng "Apply" button on the top left corner khổng lồ apply the change.

After that, you can restart your PC. If you still get the "invalid system disk replace the disk và press any key" error, please refer lớn the following method.

Solution 4. Persize an Automatic Repair

Some users recommend performing the Automatic Repair or Start-up Repair to remove out the "invalid system disk replace the disk and press any key" error. However, sometimes, Windows Automatic Repair not working issue will happen.

Useful Article: How Do I Solve sầu - Windows Automatic Repair Not Working.

Here are the steps to make Start-up Repair work.

Insert the Windows bootable drive và boot from it.Select your language preferences, and cliông xã on Next button.Clichồng on Repair your computer.Clichồng on Troubleshoot > Advanced options, và select Start-up Repair.

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Solution 5. Reinstall Operating System

Some users reported that the "invalid system disk replace the disk và press any key" issue might be caused by a damaged operating system. In this case, how khổng lồ fix invalid system disk? Reinstalling operating system might be the best choice for you lớn make your hard disk bootable again.


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Bottom Line

At the over of the post, I want to lớn găng again that you had better recover lost data in advance in case data loss happens while you are trying lớn troubleshoot invalid system disk error.

Hope these solutions help you. If you solved the invalid system disk problem by using another method, please nội dung it with us in the following command, thanks.

If you have sầu any questions about using au-79.net software, please feel free to lớn liên hệ us via . We will solve sầu it as soon as possible.