Why do I always have an extra 8M of space when I use the system disk partition, and I can t complete

It is normal for a hard disk to have unallocated space for two main reasons:

The hard disk is not fully allocated at the time of partitioning, and it is leftover.

Some brands of computers reserve a part of the space for special purposes.

Normal. The hard drive will leave the factory with unallocated space. It is mainly used for bad sector replacement. Users cannot allocate this part of the space by themselves.

This belongs to the virtual space, which is available on every machine, and the actual size is 8MB. This is a must for every machine and does not need to be solved! Some machines can't partition other disks without this 8MB. So there's no need for a workaround.

Related to the type of hard disk partition, MBR type hard disk must have a primary partition, and the extra unallocated space in the case of only logical partition can be converted into GPT hard disk and merged. OCD can try to change the type of hard drive.

You can use the PQ partition master to allocate them all.

It's a big deal, you have this with 4k alignment or 16k 32k 64k alignment.

That's it, don't worry too much. It could be a bad market.

Just turn off system protection. Here's how it works:

1. Right click "Properties" on the "Computer" icon on the desktop.

2. Click System Protection on the left.

3. Click the "Configure" button again.

4. Select the restore setting to "Turn off system protection".

1. Windows 7, Chinese name Windows 7, is an operating system developed by Microsoft, the kernel version number is Windows NT 7 can be used in home and business work environments: laptops, tablets, multi-centers, etc.

2. In the same vein as Windows Vista, which is also a member of NT6, Windows 7 inherits many functions including Aero style, and adds some functions on this basis.

Just turn off system protection. Here's how it works:

1. Right click "Properties" on the "Computer" icon on the desktop.

2. Click System Protection on the left.

3. Click the "Configure" button again.

4. Select the restore setting to "Turn off system protection".

1. Windows 7, Chinese name Windows 7, is an operating system developed by Microsoft, the kernel version number is Windows NT 7 can be used in home and business work environments: laptops, tablets, multi-centers, etc.

2. In the same vein as Windows Vista, which is also a member of NT6, Windows 7 inherits many functions including Aero style, and adds some functions on this basis.

You can compress in Win7PE's environment and in Win7PE's Disk Management. Or use adds

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ManagerPartition Manager can resize, move, copy, split and merge partitions without data loss; Startup Manager is a multi-boot software tool that can install multiple operating systems on your desktop; Partition recovery can recover accidentally lost or deleted partitions; DiskDisk is a disk drive repair tool that can perform advanced operations on hard drives like boot record restore and hexadecimal.

The main features of the brand new make it easier than ever to repair the partition structure and boot a new operating system: split partition; Merge partitions; browse images; boot from the attached hard drive; Start from cd ***; Automatic OS detection.

Because you installed the software,Or store the data into the computer hard disk,So he can only compress so much,Simply put,It's a file stored in the 250G position,Can't be divided into other areas,So it can only go to this point,The system that comes with the appearance is not very good,It is recommended to partition and reinstall the win7 ultimate version of the system,Thank you。

Just turn off system protection.

First of all, right-click on the computer - Properties--- System Protection, select C inventory configuration, turn off protection, and use OK.

Then let's see how much we can separate.

For example, if you want to get a 20G partition, you may enter 20,000m or 20,480m. (According to the design of hard disk manufacturers, 1GB is 1000MB, while the operating system launched by Microsoft and other companies thinks that 1GB is 1024MB), but even if you enter an integer multiple of 1024MB, after entering Windows, you will find that the hard disk partition size is still recognized as, not the integer capacity we want. Why?

In fact, the reason is very simple, after the hard disk is partitioned and formatted, it will also occupy a certain amount of space on the hard disk to store information such as disk structure and data storage location, and this part of the space cannot be used to store other data. Every 1024 bytes of available capacity will use 4 bytes to store the above files, so each MB of available capacity actually occupies 1024+4KB, but the first GB of available capacity in the partition does not occupy storage capacity.

To do this, we have established the following integer partitioning formula. The value calculated using this formula gives the value that Windows recognizes the partition as an integer g.

The formula for calculating integer partitions is as follows: 1024 A 4 a—4=ba is the value of the integer partition that needs to be obtained, and the unit is GB

b is the numeric value you should enter when partitioning, and the unit is in mb

Don't worry about this, every hard disk needs to store some information about this disk, this part is just hidden.

Hard disk partitions are primary and extended partitions.

The primary partition is used to install the system.

Extended partitions can be divided into several logical partitions.

A few g less at the end of your disk.

Because when you install ghost, the backup space is divided to the end of the disk.

If you want to use this space, delete the last partition and rebuild it.

First of all, this is because of the hard disk space conversion: 160*1000 1024 is the actual hard disk space. (To put it simply, 1GB = 1000MB = 1000000B in the factory; In WingDOWS, 1GB = 1024MB = 1024*1024B

In addition, it is normal for the hard disk space to shrink accordingly after multiple hard disk partitions. The first is that the disk partition information takes up very little space, and then there is the disk sector corruption caused by multiple formatting (logical bad sectors on the data, this is normal, try to minimize the number of times the hard disk is formatted).

In short, after partitioning, these relevant information of the partition also need to be stored, so there will be some space for it'system', which is not visible to the user.