When installing Windows, many users encounter a problem when installing the operating system on this disk is not possible because the selected volume has a GPT partition style. In this article, we will teach you how to get out of this situation in several ways at once, and at the end we will even present a video in which we will show the entire process in as much detail as possible. Without delay, let's get started.
MBR (Master Boot Record) is the so-called main boot record. An area of memory that occupies the first 512 bytes of any drive. It can be traditional hard drive, and solid state storage media SSD. The main disadvantage of this technology is the maximum volume (2.2 TB) of supported devices. In addition, their number is limited to 4 units.
GPT (GUID Partition Table) - more advanced and new technology, which is part of the UEFI mode (a full BIOS replacement). GPT is located at the very beginning of the drive, but unlike an MBR-protected partition, it is in its second sector. The first sector contains the same MBR for compatibility with older PCs. This technology Not only does it have no restrictions on the size and number of disks, but it also has a number of additional useful functions.
Some computers and laptops do not support working with UEFI and GPT; as a result, the operating system “refuses” to install, and we see an error related to the inability to Windows installations.
Backing up data
- In the window that opens, select the disk management section and click right click mouse over the desired media and select “Properties”.
- Switch to the “Volumes” tab and in the place marked with the number “2”, look at the type of boot record. In our case, this is just GUID or GPT.
If this line says “MBR”, then the disk is formatted in the required format and this is not the problem.
Using the command line
You can also find out whether GPT is used on our drive via command line. This is done like this:
- Taking advantage Windows search, we find the command line itself by entering the characters “CMD” in the line indicated by the number “2”. After that, select the desired result in the search results.
- On the command line itself, write “diskpart” and press Enter.
- Next, enter the command “list disk” and press Enter again.
- Let's look at the result. If there is an asterisk icon next to the partition, it means the disk uses GPT technology. Accordingly, on the contrary, if it is not there, you have MBR.
If you are convinced of the presence of GPT, proceed to the instructions for solving the problem of the inability to install Windows by converting the master boot record of the selected disk to MBR.
How to convert GPT to MBR?
In view of constant updates the operating system itself and UEFI technology (GPT), the options below may differ or may not work at all. If you encounter such difficulty, simply move on to the next method.
Attention: some algorithms for solving the problem described in this article provide complete removal all data. Only one way leaves them in place. Therefore, read the description carefully before getting started!
Windows tools
This option involves changing the type of only the disk that is secondary. That is, if you are trying to transfer a partition on which Windows is installed and running, nothing will work.
In other cases we do this:
- Using the search, we find a tool called “Administration”. To do this, simply enter search query and choose the right option from the issue.
- Go to the “Computer Management” item.
- In order to convert the disk type from GPT to “MBR” using Windows, you need to initially delete all partitions. To do this, right-click on each of them and select the appropriate action.
Attention: all data on the selected partition will be permanently deleted!
- Right-click on the unallocated area and select the option to convert the master boot record to MBR format.
After this, the conversion will begin and the disk will switch to MBR mode. If for some reason this option does not work for you or the conversion menu item is unavailable, simply move on to the next option.
Third party software
This method compares favorably with the others in that all the data on the converted partition will remain completely intact, as will its markup. Nevertheless, if we were you, we would still make a backup, since the software sometimes also crashes.
We proceed to our instructions:
- Download the Acronis Disk Director application from its official website and begin installation. To do this, run the installation file and click “Yes”.
- We are waiting for the data to be unpacked.
- At the next stage, simply click the “Next” button.
- We accept the software license and click on the button marked in the screenshot.
- We refuse to participate in the improvement program and continue with the installation.
- Specify or leave the default installation path, then move on.
- Select the installation mode that suits you.
- Everything is ready, we just have to click on the “Continue” button.
- We are waiting for the installation to complete.
- We complete the installation by clicking on the indicated button.
- When the program is launched, select required disk and select the button to convert it. Since in our case the partition is already in MBR mode, we see the item for converting it to dynamic disk(GPT). If you have the second type of boot record, the button will do reverse operation, that is, install an “MBR” record on the drive.
- To confirm the operation, click the button marked below.
- All changes made in the program must be confirmed by clicking on the button with the image of the start flag. Let's press it.
- We confirm our intentions once again by clicking on the “Continue” button.
- The progress of the conversion operation is displayed in this window. Usually the process does not take much time, but it greatly depends on the size of the disk and its speed.
If this option does not solve your problem and you still see the message “Windows cannot be installed on this disk because it has a GPT structure,” proceed to the next method.
Using a bootable USB flash drive
Using bootable media, we can convert the disk type directly via Windows installer. Naturally, all data will be irretrievably lost.
Important: these instructions are suitable for Windows 10. In earlier operating systems you need to create boot drive in this way: for and for .
Are you ready? We do the following:
- Download a utility from Microsoft called Media Creation Tools from its official website and run the file.
- We are waiting for the preparation to complete.
- We accept license agreement Windows installer.
- We select the bootable media creation mode, rather than updating the current system. After that, click on “Next”.
- Choosing a language user interface, Windows release and its architecture.
- Here we indicate direct download and installation on a flash drive, which you should already have installed on your computer by this time.
Do not forget that all data from external storage will be deleted.
- We see that our media is detected and click the “Next” button.
- The download will begin Windows distribution to a temporary folder on your computer. We are waiting for the process to complete, the duration of which depends entirely on the speed of your connection to the network.
- The second stage is writing the downloaded image to our flash drive.
- When everything is ready, you will see a window like this. Here you just need to press a single button.
Users who install the latest three versions of Windows operating systems – 7, 8 or 10 (any build) – can see a message on the screen with the text “the selected disk has a GPT partition style.”
The problem is the incompatibility of outdated laptop or computer software with more modern characteristics drive.
The choice of a specific solution to the problem primarily depends on the bit capacity of the installed Windows systems and firmware interface (BIOS or UEFI).
What are GPT and MBR?
Before you continue installing the operating system on your PC and converting partition styles, it is worth finding out what is causing the problem.
So, most of the relatively old motherboards were completed software BIOS, the tasks of which were primary diagnostics and loading of the operating system.
By the way, you can read on our website.
The software was designed to work only with MBR boot records.
More new option interface, UEFI, allows you to work with both old styles and new ones, GPT.
Rice. 1. Error when installing Windows on a disk with GPT partition style.
The advantages of the updated software are increased loading speed and data security - due to more reliable loading and support for hardware encryption of drives.
In addition, UEFI works with the GPT style, which supports writing and reading large files. This is especially important for sizes hard drive exceeding 1 TB.
You should know: UEFI is compatible with both BIOS and MBR. This means that when working with the new interface, the disk style does not matter. At the same time, the BIOS does not work with either UEFI or GPT.
Rice. 2. Define disc styles using special utilities.
Options for solving the problem
As a rule, most more or less new motherboards are already equipped with a modern interface.
And problems with installing an operating system due to the GPT style can appear only in two cases - if the computer is relatively old or the UEFI settings do not support the new style.
The first version of the problem can be solved in only one way - by changing the hard drive settings.
As a result, working with large files It will be more difficult, but you will be able to install the system.
If the problem is that GPT support is disabled, you just need to enable it and continue installing the platform.
Installing the system on GPT disks
It is advisable to solve problems with installing the system on a HDD with GPT partitions by observing the following conditions:
- Using a 64-bit system;
- By setting the boot mode to UEFI.
However, most often the cause of the error is the failure to fulfill the second condition, since it hardly makes sense to install a 32-bit system now (except for computers with 32-bit processors).
To correct the situation, you will need to either change the BIOS settings, or prepare it in such a way that it supports working with UEFI automatically.
Setting up BIOS or UEFI
The first steps that should be performed when installing Windows of one of the last three generations on a PC is (or, more precisely, UEFI).
This usually requires pressing a certain key while the operating system is loading.
In Windows 7, you most often need to press Esc, F1 or F2, depending on the motherboard manufacturer.
For Windows 8, this will require changing the system boot settings (through additional options in the Diagnostics menu, called up by pressing the Win + C keys).
Rice. 3. Enter the Windows 8 system boot change menu.
For Windows 10, to enter the UEFI settings you will have to run:
- Click on the notifications icon and select settings;
- Go to the update and security window;
- Select recovery partitions, special boot methods and immediate reboot one by one;
- After the system has rebooted, select advanced options and UEFI settings.
Now that the BIOS has turned on, you should configure its menu for automatic installation new system to GPT disks.
To do this, the user must install UEFI boot instead of the standard CSM.
Rice. 4. Installation of loading the new UEFI interface.
The second step is to select the appropriate disk operating mode - instead of IDE, designed for the old type of HDD, you should choose.
Configuration can be done in the Peripherals or SATA Configuration menu.
Rice. 5. Setting the operating mode for SATA drives.
Sometimes, for Windows 7, it is necessary to additionally disable such an option as UEFI.
You should know: B various options UEFI all these points can be located in different places. However, the names of the settings are saved and are relatively easy to find.
This might interest you:
Possible installation problems
After making all the changes, just save them and restart your computer (or laptop). There should be no error messages or other similar problems.
If problems still persist, you should fix them by creating a special boot disk.
One of the most simple ways to do this - use the command line or special programs Rufus type.
Rice. 6. Create a boot disk that supports GPT by default.
When using such a drive, the probability of error-free system installation is almost 100 percent.
However, to be on the safe side, you should perform one more action - delete the bootmgr file in the main directory of the USB flash drive, which may lead to another attempt to boot without GPT support.
Now the system will install without errors.
Converting a disk from GPT to MBR
In the absence of the ability to configure UEFI, and especially in the complete absence of this interface, the user has no other option but to change partition styles.
To do this, you can try to use the already built-in tools of the installed operating system or special utilities.
Important: If necessary, the methods for changing styles back from MBR to GPT are just as simple. Moreover, the data written on the disc is not lost, unlike conversion to an older format.
Conversion via command line
An option to change the disk style, suitable for computers with an outdated boot interface and, especially, an old type HDD (IDE).
A necessary condition for performing such actions is that the hard drive partitions must be empty, since all data is deleted during the conversion process.
If the information on the disk is not needed by the user, it does not need to be deleted.
To change the style to the MBR, the person installing the operating system will need to do the following:
- When selecting a partition type during system installation, press the Shift and F10 keys;
- In the command line that opens on the screen, enter two commands - first discpart, then list disk;
- After the list of hard disk partitions appears, write select disk A, where A is the number of the part that should be converted to GPT.
The user's next actions can continue by entering the clean command. In this case, all partitions of one of the disks will be deleted.
The second option is manual removal, which requires entering three commands in turn (detail disk, select volume, delete volume).
The last stage is changing the style. To do this, enter another command in the line - convert mbr.
After manual conversion to MBR has been completed, you need to:
- Enter one more final command Exit ;
- Close command prompt;
- Split the disk into new partitions (it is advisable to leave a smaller part of the HDD for the system and applications, and for storage important information– big);
- Continue installing the operating system.
As a rule, no errors occur in this case.
The only reasons why problems continue are problems with hard drive or a damaged software distribution.
In the first case, you will have to contact service to fix the problem, in the second, use another installation disk.
Selected disk has GPT partition style when installing Windows
Attention: this is not the only way to solve the problem: you can also simply enable EFI boot for the installation drive without converting the HDD.
Convert to MBR in Disk Management menu
The second option for manually switching from GPT to MBR is suitable for computers on which a working Windows 7 or 8 is already installed, and the disk is not a system one.
To resolve the issue, the user is required to:
1. Go to the disk management menu (one of the simplest options is through the run window, in which you should enter the command diskmgmt.msc);
Rice. 7. Disk management menu.
2. Find a physical (that is, not a partition, of which there can be many on an HDD) hard drive that will be converted;
3. Delete all partitions from the HDD by selecting the delete item in the menu;
4. Right-click on the disk name and select conversion to MBR.
5. Restart your computer and continue installation.
Convert GPT hard drive to MBR basic
Convert a GPT hard drive to MBR (basic) using Paragon Hard Disk Manager.
Style conversion utility
Except standard methods, which involve the use of built-in Windows tools, there is also the opportunity to simplify your task using special utilities.
Some of the most convenient are Minitool Partition Wizard and Acronis Disk Director. The downside to these apps is that you have to pay to purchase them.
While downloading the Aomei Partition Assistant program can be done completely free of charge.
And among the many possibilities there is not only changing styles, but also other customization options hard drives.
Rice. 8 Working with the Aomei Partition Assistant utility
You should know: When using applications that allow you to change hard drive style settings, you can delete the first boot partition of the HDD. In this case, converting GPT to MBR and back will be much easier.
Hello! During the installation of the Windows 7 or Windows 8 operating system on your personal computer, a situation often occurs when, at one of the installation stages, an annoying message appears on the monitor screen, which states that installationwindows not possible on this discgpt, since its partition style is in GPT format.
In our today's episode, we will briefly go over concepts such as UEFI, GPT, MBR and BIOS, and also consider a detailed algorithm of actions that will allow you to safely complete the installation you have started when this message does not allow you to move forward.
Windows cannot be installed on this disk gpt
To solve this problem, several methods will be considered. The first of which implies full installation operating system to a disk with GPT partitions.
The second method involves changing the “GPT” disk partition format to the “MBR” format, which will give you the opportunity to complete the installation without much effort and unnecessary errors. Let's first look at the pros and cons of the two methods above, and also talk about which one is preferable to use depending on the specific situation.
So, first, let’s figure out what “BIOS” and “UEFI” are, as well as the “MBR” and “GPT” disk formats.
BIOS is special software that, when you turn on the computer, diagnoses and analyzes its entire system, after which it boots the operating system, focusing on the boot record of the MBR hard drive. In one of my previous articles, I once devoted a separate lesson, in which I explained in more detail what BIOS is and its purpose. I recommend that you definitely read this article:
Most of the newest computer models use an alternative system called UEFI instead of the outdated BIOS system. Such a system is considered more reliable, fast and functional. She implements the regime well secure boot, and also provides decent support for drivers and encrypted hard drives. But you can also read about this in more detail in one of my previous articles:
In addition, it perfectly reads the GPT partition format, which allows you to use drives with a large number of partitions. It is also worth saying that the developers of the UEFI system made it compatible with BIOS and MBR.
The trend is that hard drive capacities are constantly increasing. Many modern devices have hard drives with a capacity exceeding 4000GB. In this regard, we can say with confidence that the future lies with “UEFI” and “GPT”.
So, I suggest you move on to consider our question today - “Installing windows on this gpt disk is impossible.” At the end of today’s article there will be a video on how to install Windows on such a disk with a GPT partition.
Method No. 1. Installing the operating system on a disk with the “GPT” format
It is worth saying that the problem with the “GPT” format usually occurs among those who try to install the seventh or eighth version of Windows. So, in order to realize our plans, we should perform one of two actions - start installing the “64-bit version”, or boot the system in “UEFI” mode. One of these actions will fail and, most likely, it will be the second. In this case, we will need to perform only one or two manipulations - change several settings in the BIOS system, or change the same settings, plus prepare the UEFI boot drive for operation.
First of all, you need to check the settings in the BIOS system of your computer. In order to log in, at the very beginning of its loading, you must press a special key. Depending on the laptop model, this key may be “F2” or “F9”. On desktop computers, the “De”l key is most often used for these purposes. Moreover, on the monitors of most devices, when loading, a corresponding prompt is displayed, indicating the key that must be pressed to enter the “BIOS”.
It is also worth saying that the latter Windows version 8 allows users to enter the BIOS settings system when the system is already fully booted. For these purposes, you need to use the special Charms service panel, which is usually located on the right side of the screen. By clicking on it, from the pull-out list you need to select the “Change settings” tab, then click “Update and recovery”, after which you should continue by selecting “Recovery”, then “Boot options”, then press the “Reboot the system” button.
Next, you need to go to the “Diagnostics” item. There are available additional parameters you should select the UEFI Firmware option. So you should be in BIOS settings, from where you will need to activate some functions. First of all, you need to change the boot priority to “UEFI” instead of “CSM”. This can be done by going to the “BIOS Features” tab (in some systems this may be the “BIOS Setup” tab). Next, go to the “Peripherals” tab, where you also change the SATA operating mode. To do this, install "AHCI" instead of "IDE".
Additionally, it is recommended to install Safe Boot mode. To do this, install “Secure Boot”. It is worth saying that there are many interfaces for the same BIOS version. Sometimes it can take you by surprise. However, it is worth understanding that the main points and interface elements are usually the same. The only difference is in the way they are placed on the screen. Knowing this, you should not have any serious difficulties regarding search and navigation. I have shown my version in the image below.
After making these changes, you can safely begin installing the operating system on a disk with the “GPT” format. Depending on what media you use for downloading, you may encounter the same error again. This often happens when using bootable flash drive in case it does not support UEFI boot. The problem can be solved quite simply - to do this, you need to format it and record it again, taking into account the appropriate settings. There are several ways to change these settings, but it's best to use the command line. In general, I’ll just note that when using a boot disk, everything should go smoothly.
Using boot disk or a flash drive that supports “UEFI” boot, all that remains is to install the system by setting the boot to “BIOS”.
Method No. 2. Installing the system by converting the disk partition format "GPT" to "MBR".
This method is perfect for those who do not want to understand complex BIOS settings, but just want to install the usual seven. In this case, all manipulations will have to be performed during the installation of the operating system. It is worth saying that the steps below assume complete cleaning data from the system disk.
So, in order to change the GPT format to MBR, start the Windows installation with installation disk. Then, launch the command prompt. To do this, hold down the key combination “Shift + F10”. Next you need to run a command called “diskpart”. To do this, simply enter the given word and press “Enter”. Then enter the directive called “list disk” and then also press the “Enter” key.
After executing this command, you will be asked to select the disk number whose partitions need to be converted from the “GPT” to “MBR” format. Select the disk number using the “select disk Z” command, where the fictitious letter Z is the number of the disk to be formatted. This drive needs to be completely formatted. To do this, enter the “clean” directive and press the “Enter” key.
Next, we proceed directly to the conversion process. To do this, run the “convert mbr” command. At this stage, the process of converting the disk to the MBR format can be considered complete. All that remains is to exit - just enter keyword"exit" and press "Enter".
At the end of today’s article, I would like to note that each of the above methods is quite good, since it allows you to competently solve the problem associated with the incompatibility of the “GPT” format, however, the choice in favor of one or the second method is recommended depending on the specific situation. The first method is ideal for the newest and most modern computer models when installing a 64-bit version of the OS on them. Such computers usually run on UEFI. This BIOS is quite easy to distinguish - it has an interesting GUI, unlike the old one, where a regular blue background was used, with white symbols placed on it.
For a more complete understanding of today’s material, I suggest you watch the video below:
Accordingly, the second method is suitable when installing a 32-bit version of the OS on older device models with a “blue” BIOS. In this case, the method that involves converting the disk partition to another format is probably the only option in the case of the BIOS. Using this method, it is also important to know that “MBR” disks do not allow the creation of more than four partitions and cannot have more than 4000GB of memory. On this this review I conclude, see you all in the next article.
A hard drive as a storage device is useless without special settings. Without it, it is impossible to install an operating system on the hard drive and launch it. It is impossible to record, store and read information in the usual way.
Hard drive partitioning
For interaction between a computer and a hard drive, markings must be applied to the latter. With its help, the computer, its BIOS, is found on the hard drive places where the OS starts loading. Using this marking on the hard drive, it is indicated which space is used for what.
For user convenience, manufacturers produce hard drives with markings already applied, and to the average user don't have to deal with initial setup disk. But when working on a computer, situations arise when the user needs to know about hard drive partitions, their types and purposes.
Currently used There are two main ways to partition a hard drive:
- MBR is a popular markup that was used previously and is still used today.
- GPT – partition style – modern markup designed to work with modern equipment.
MBR
Disk partitioning began to be widely used in the 80s of the last century, as the only one used on PCs. At that time life included personal computers, they worked under the operating room DOS system, which required downloading from third-party media. Windows appeared a little later.
To boot the system on the hard drive boot sector is created. When the computer starts up, it accesses it, the initial boot has occurred. The initial boot items are loading. Then control is transferred to the main bootloader, usually the installed operating system.
Essentially, when you turn on the computer, the master boot record is accessed. This is exactly how the English abbreviation MBR is translated - Mster Boot Record.
When this markup appeared and was widely implemented, its capabilities more than satisfied the equipment requirements. But with the introduction of new technologies, the standard has exhausted itself. Limitations of using MBR, incompatible with modern equipment:
- Use of hard drives with a capacity of no more than 2 TB.
- A hard drive can contain no more than four main partitions, as a result there is a limit on the number of simultaneously installed working operating systems (in the case of Windows 7.8 - no more than two).
- Low reliability of markings. If damaged boot sector, the OS cannot start.
Despite its advanced age and limitations, MBR will remain the most popular boot record style. The main advantage for users is the ability to simply and quickly install any combinations operating systems .
GPT
The GPT markup style appeared relatively recently. For a partition on the media, a unique identifier, the partition name, is used. The character length of the name allows you to create so many names that among all the partitions of existing hard drives there will not be two with the same name.
When using GPT partitioning, the first system, boot, partition is created on the hard drive, which stores the information necessary to boot the computer. This section will replace the computer's BIOS. There can be 127 other sections. Each of them can be the main one and each can have a separate operating system installed.
Partition data is stored in several places on the HDD, which speeds up hard drive access time and information security. If data is damaged, it can be restored from another copy.
Limitations on the size of GPT partitions are imposed by the file system and operating system capabilities. The conditional disadvantages of such disks include the fact that despite the possibility of installing an unlimited number of operating systems, in reality you can only install free or licensed ones.
Windows OS manufacturers tie the product license not to the user’s hardware, but to the unique name of the hard drive partition where the system is installed. When changing a partition or replacing a hard drive, the license must be reset.
GPT compatibility
New GPT markup style imposes compatibility restrictions:
Compatibility also includes the protective mechanism of GPT media: the protective MBR. When trying to partition a modern hard drive software for MBR partitioning, the program will see one large MBR partition and will not be able to mark up data on it. This will prevent you from losing information on the GPT media.
How to find out MBR or GPT
To find out the MBR or GPT disk partition, just use the standard using Windows. Click the "Start" button, right-click on "Computer" in the menu. In the menu that appears, select “Management”. Computer Management will open. You can also go here from “Control Panel”, “Administration”.
In the left column, select "Disk Management". A list of disks will appear in the central column at the top. Below is a visual representation of the devices. In the lower window on the media of interest, right-click and select “Properties” in the menu that appears.
The hard drive properties window will open.. The Volumes tab will show the partition style as Master Boot Record (MBR) or Table with GUID, which means GPT disk.
You can also find out the markup using system program DiskPart. To start, press Win+R on the keyboard, enter Diskpart, enter, agree to the security system question. In the program interface, enter “List disk” and press enter. In the list of disks owned by the system, disks with a GPT structure will be marked with an asterisk in the GPT column.
Creating and converting disks
When converting disks, the data contained on the hard drive will be irretrievably lost. Create backup copy disk.
Creating a GPT disk involves converting an MBR disk to GPT. To do this you need to go to "Disk Management"(See “How to find out the disk partition”). On the disk selected for conversion, you need to delete all volumes: in the upper part of the window, right-click on all volumes and select “Delete volume”.
After deleting the volumes, from below you need to right-click on the base GPT or MBR disk, select “Convert to GPT” or “Convert to MBR”. Then follow the instructions and provide the necessary explanations.
UEFI and GPT disks
With the advent of the new GPT markup style on the market, the old BIOS became irrelevant. The UEFI boot loader is used to start the computer with all its advantages:
The style of hard drive partitioning depends on the equipment and the tasks that the user sets for the computer. Despite the moral old age of MBR partitioning, it is rightfully considered the most convenient and understandable for the mass user. The absolute introduction of devices requiring GPT tagging has not yet occurred and will not happen soon. Also, the difference for the average user is almost invisible.
Let's consider many ways to get the error "Windows cannot be installed on this disk. The selected disk has a GPT partition style." Used to be old system MBR disk partition and it could no longer operate with the new amount of data TR(terabytes). They came up with the GPT system for disks and it was introduced with the new bisos uefi graphics. Let's approach the presented dilemma with our own, standard means. I would like to note that some users described their actions as simply going into bios and disabling UEFI mode. It all depends on many factors, including the Windows architecture, 64 or 32 bit.
Solutions: Windows cannot be installed on this disk. The selected disk has GPT partition style
1. Change UEFI boot mode
Nowadays, most motherboards support both traditional boot and UEFI Boot. Users can choose the most suitable one in the bios settings. Look carefully! Everyone's bios is different.
- Change value UEFI, instead of CSM in the Feature or Setup section.
- In the Peripherals line, click SATA mode: AHCI instead of IDE.
- (This step is optional, try it if the above doesn't work). In the Key Management line of the Secure Boot function, which is located on the BOOT tab, change Other OS instead Windows UEFI Mode.
If you record from a flash drive and this method does not work, then rewrite . Unforgettable! Press f10 to save the settings.
2. Removing partitions when installing windows
If you don’t mind the data and want to do everything quickly, then delete all partitions when installing Windows, and then format the entire hard drive. Then re-create the partitions you need. This will create a new table on the hard disk.- Remove all disk partitions.
- Recreate them.
Format ( The method will erase all data).
3. Convert or convert GPT disk to MBR
The method will erase all data.
- When the error appears, click OK to close the error message and press Shift + F10, Shift + Fn + F10 (for laptops) to open cmd (command prompt). If nothing works, then go back a step to the windows installation interface and press the Shift + F10 button to launch cmd again.
- Enter the following commands in order: diskpart -> list disk -> select disk 1 -> clean -> convert MBR. Line translation: diskpart program -> list of disks -> select disk 1 (1 indicates the number of GPT disks) -> clear -> MBR conversion. The picture shows what commands were entered. You can type the codes into a line based on the picture. When the diskpart program converts to MBR format, you can exit the program and continue installing Windows.
4. Use standard disk management utility
If another OS is available on your laptop or it is possible to create a bootable Life DVD or flash drive. It will be possible to use standard program in windows "disk management". You can also connect your hard drive HDD to another computer.- To start the program, click "start", right-click on "my computer" or the icon on the desktop, select in context menu"Management" and "Disk Management"
- Delete all partitions or volumes on the disk one by one by right-clicking, “delete volume”. (Delete Volume)
- When the disk becomes unallocated, click on the disk and select " convert to MBR disk"(Convert to MBR Disk). After these steps, the original GPT disk will be converted to MBR disk, and then you can proceed to install Windows on this disk.
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