It s a C disk, but after installing the system, it s a D disk, what s going on

That is true. The partition codes are C, D, E, F, G, etc.

The disc symbols are also C, D, E, F, G, etc.

But the partition is also divided into the primary partition and the logical partition (which also contains the logical drive) If your C drive is the primary partition, the E drive is also the primary partition, but the D drive is the logical drive. In Windows, their arrangement is C (primary partition), D (logical drive), and E (primary partition).

But under DOS their arrangement is different from that of Windows, although it is also C, D, E but DOS C (primary partition).d (primary partition).e (logical drive).

So when you format the disk in DOS, you will get an error.

Also, if you change the partition number under Windows, you will also get an error.

A logical partition can be divided into 1 but can be divided into n logical drives, but the primary partition can be divided into 4.

Logical drives are contained within logical partitions.

Mainly because the C drive is in NTFS format, it is not recognized under DOS, so D will automatically become C, and D will be formatted when formatted.

First of all, it may be that the format of the C drive is not recognized under DOS, so it defaults to your D drive is the C drive, do you see that the format of the C drive and the D drive is different?

NTFS, FAT, FAT32 or something, figure it out for yourself.

c disk system, automatic formatting.

Summary. 1. For the situation when the system has not yet been installed:

1. Some PE boot disks, the drive letter will be displayed in the PE environment, such as the C disk is occupied, but after unplugging the U disk PE boot disk, the C disk on the actual computer is still the C disk. In this case, when installing under PE, you only need to judge which is the real C disk according to the parameters such as [partition capacity], [volume label], [volume label], and then the system can be installed in this position.

2. If you are not at ease, afraid of installing the wrong drive letter, or have a strong obsessive-compulsive disorder, then you can follow the following steps to adjust the drive letter in PE.

The system is installed on the C drive, but the boot disk becomes the D drive.

1. For the situation when the system has not yet been installed: 1. Some PE boot disks, the drive letter will be displayed in the PE environment, such as the C disk is occupied, but after unplugging the USB disk PE boot disk, the C disk on the actual computer is still the C disk. In this case, when installing under PE, you only need to judge which is the real C disk according to the parameters such as [partition capacity], [volume label], [volume label], and then the system can be installed in this position.

2. If you are not at ease, afraid of installing the wrong drive letter, or have a strong obsessive-compulsive disorder, then you can follow the following steps to adjust the drive letter in PE.

2. For the situation that the system has been installed: 1. If the system is installed correctly, the location is not wrong, but after the system installation is completed, the C drive becomes the D disk, at this time, you only need to change the drive letter, and the method of modifying the drive letter is the same. If you can't change the drive letter, try to change the AHCI to IDE in the BIOS, refer to this method:

Enter BIOS to set up hard disk AHCI mode method 2, if it still doesn't work, then format the whole disk, repartition, and don't use PE, directly use the original system to burn and start the U disk grid reinstallation, view: U disk directly install the original Win7 system.

1. Right-click [Computer] - [Management] on the desktop; Open the computer management, disk 0 is the hard disk of the computer, we first release the C drive, right-click on it, and select [Change Drive Letter and Path]; In this dialog box, click the Change button; Then in the drop-down box on the right, assign any drive letter to this, such as G drive; Click OK, this prompt will pop up, ignore it, and click Yes directly; Then right-click on the [C drive] displayed as the D drive, and select [Change Drive Letter and Path].

At this time, the C drive letter has been released and is not occupied, so you can choose the C drive. 8. In the same way, change the other disk letters that display confusion one by one, 9. Finally, open the installation tool, and the disk letter will show the solution of the PE installation system C disk to D disk is this, if you encounter this problem, you can follow the above steps to operate.

Do you now have an old partition, called the C partition, and then the D partition becomes the system partition, this should be the C partition for your computer boot information, and the D partition for system files.

If you don't understand how you know that the C drive has changed, you can click My Computer - Management - Disk Management - Change Drive Name and Path to Change to Disk Letters to have a try.

PE is like this, Disk Management, and then change under View Original Post

Use the optimization master, super rabbit and the like to clean up the icon cache, half of it can be solved, and if it doesn't work, take a look at it from the graphics card driver.

What are you going to do, if you have a dual system and want to change the main partition, install Partition Assistant Convert or use easybcd to change it.

First of all, make sure that the C drive letter is not used, otherwise it cannot be changed directly (first vacate the occupied drive letter, and then set it).

Start the Control Panel.

Control Panel Systems & Security.

System and security management tools.

Management tools Computer management.

Computer Management Disk Management.

Right-click on the disk that needs to be adjusted to change the drive letter and path.

In the settings box that pops up, Change.

Click the drop-down arrow on the right to select a drive letter OK.

Note: If the drive letter is chaotic and needs to be straightened out, because some drive letters are occupied and cannot be straightened out, you may wish to arrange the drive letters that occupy (front-end) to the end, sort them in turn, and then change them back.

In the start menu, enter "cmd" in "Run", and execute the following command to convert.

The command format is:

Convert C: FS:NTFS **Change C disk).

Then reboot and Windows XP will automatically do the conversion.

The built-in conversion tool for Windows will not cause file loss, but it is recommended to back up important data to another location just in case.

During the conversion process, if a file is displayed, click No and then select the next boot conversion, after the conversion can not be from NTFS to FTA32.

No, C is a system disk.

Right-click on the computer > select Management - > select Disk Management on the left side - > first see if there is a disk is an F drive, if there is one, right-click it, select Change Drive OK and Path, select Change, choose another letter on the line, and then OK - > if there is no F disk, just change the optical drive to F according to the operation of the previous section.

Right-click on the desktop"My computer", select"Management"

Click below"Disk Manager"

Right-click the drive from which you want to modify the drive letter.

Then select"Change the drive and path"

Click"Changes"

Click the drop-down box on the right.

In the drop-down list, select the drive letter you want to change to.

For example, now you want to change the E drive to the D drive, but the premise is that the D drive is not occupied.

If you want to change this question, you can only point to it.

For several other plates, repeat 3 to 7 steps.

to change to the order in which they follow.

The installation system is not partitioned, or the partition fails!! It is recommended to reinstall it again, reinstall it with a disc, and now there are one-click installed discs on the market, PE of advanced discs, that is, virtual systems, select, one-click to divide into four zones, or five zones!! And then start loading!

If the data is important, it is recommended to directly find a professional organization like 51recovery to help you recover; If the data is not important, you can try to recover it yourself, or you can use easyrecovery software to recover, but first of all, you must hang the slave disk operation, and secondly, you must not write data to this hard disk.

After partition loss, it is best to stop writing new data immediately, and choose the right method to recover according to the problem analysis, not blindly scan with software. Incorrect operations can lead to complete data loss. It's best to keep things as they are, and the right analysis and processing can largely restore the original data in its entirety.

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It can recover files that have been deleted, formatted, partitioned and lost, partitioned table corrupted, repartitioned, or formatted by partition prompts.

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Generally, this situation occurs due to problems with the system partitioning. This can be addressed in the following ways:

First, if this happens, it is likely that there is a problem with your partition.

Second, it is recommended to restart the system and press the F8 key to enter the safe mode, carefully format the F drive, and see if it can be opened after restarting. Skinner.

Fourth, if the above does not solve the problem, it is recommended to reinstall the system and repartition the system.

Fifth, after reinstalling the system, a lot of software and junk files will flow out of the computer's registry, at this time, it is recommended to use Tencent PC Manager to clean up the computer and uninstall the software to prevent the precipitation of junk files and affect the performance of the computer.

What happened to the D drive? Deleted? Hidden? Formatted in its entirety? Try the Atom Optimizer to see if it's hidden, and if so, congratulations, you can show it. If it is other cases, it will be troublesome.

It can be retrieved in Disk Utility in the Administrative Tools section of the Control Panel. Just define the drive letter.

This problem is a bit serious, it is recommended to take down the hard disk and put it on another computer to see that it is in the form of a portable hard disk, and then copy the data out, and then re-partition the hard disk, if there is still such a situation, it is a broken hard disk.

Instead of double-clicking on the D drive, right-click on the D drive, select "Explorer" in it, and you can see your information.

1.F8 enters safe mode, and that's it.

2.Boot it with a disc and enter the simple PE system, and you can definitely do it!

I wish you the information for the exam as soon as possible.

Right-click on the D drive icon and click "Explorer" to open it.

You have a virus on your computer, and I've had this problem on my computer.

Try first aid with a gold mountain first aid kit. It stands to reason that this shouldn't be the case with reinstalling systems.

A very powerful hard drive data recovery tool. It can help you recover lost data and rebuild the file system. EasyRecovery doesn't write anything to your original drive, it mainly rebuilds the file partition table in memory so that the data can be safely transferred to other drives.

You can recover data from hard drives that have been damaged by viruses or that have been formatted. The software can recover hard drives that are larger than . Long file names are supported.

Corrupted hard drive data blocks like missing boot records, BIOS parameters; partitioned tables; FAT table; The boot area can be restored by it.

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When you delete a file in Windows, only the directory information is deleted from FAT or MFT (NTFS). This means that the file data remains on your disk. So, from a technical point of view, this file is recoverable.

finaldata is used to recover lost data through this mechanism, and it is no exception after emptying the ** site. Also, finaldata can be easily recovered from formatted files and files corrupted by viruses. Even in extreme cases, it can be recovered if the directory structure is partially corrupted, as long as the data is still saved on the hard disk.

EasyRecovery is a powerful hard drive data recovery tool that can help you recover lost data and rebuild your file system.

No, it's recovered.

Brothers take love by the way

The partition table is broken and the drive letter is incorrectly labeled.

There is a reply software on the Internet, you go and find it.

fdisk method of partitioning hard disk.

Partitioning and formatting a hard disk is a step that every hard drive must go through. Here I will explain how to use fdisk to partition hard disk.

The fdisk program is a partition software that comes with DOS and Windows systems, although its functions are not as good as some software, but it is very safe to use it to partition. Here's how to do it:

1) Enter the DOS mode. Boot in the system, appear"starting windows..."when pressed"f8"key, and then select it"command prompt only"You can enter the DOS mode.

2) Type"fdisk"Then press enter to enter.

4) The main menu of fdisk appears, to create partition please select"1"Enter again.

5) Create a primary partition and select it"1"After entering.

6) At this point you will be asked if you want to use the maximum free space as the primary partition if answered"y", then the software will divide all the disk space into a partition, answer"n"You can divide multiple partitions, for the current hard disk, it is generally relatively large, if it is divided into a partition, it is not easy to manage, so you can choose to enter"n"to divide into multiple partitions.

7) The software will prompt you to enter the size of the main partition, enter and press enter.

8) Press the Esc key when you're done to go back to the main menu.

9) For a hard drive, an active partition must be set before the operating system can boot, so we need to enter"2"Item.

10) This is the number that will prompt the user to enter the active partition, since there is only one partition, enter it"1"。When you're done, you'll see one in the status bar"a", indicating that the partition is active.

11) A hard disk can only have one primary partition, so if you want to divide the remaining hard disk space now, you must create an extended partition, go back to the main menu and select it"2"。

12) The program will prompt the user to enter the size of the extended partition.

13) After the extension partition is established, the information of the main partition and the extended partition will be displayed, press the esc key.

14) At this time, it will prompt that there is no logical disk, you can divide the entire extension partition into one logical disk, or divide it into several logical disks. Now you can enter the size of the first logical disk and press enter.

15) The information about the first disk will be displayed, and you will be asked to enter the size of the second disk.

16) When you're done, press the Esc key to go back to the main menu.

17) At this time, after pressing esc to exit the fdisk and restart, you can format the partition.

If you want to repartition a hard disk that has been partitioned, you must go to the third item to delete the partition in the main menu.