What to do if Win10 hard disk space decreases for no reason? How to recover the hard disk space inexplicably reduced in Windows 10

php editor Xinyi shares the method to solve the problem of unreasonable reduction of Win10 hard disk space. In Win10 system, sometimes the hard disk space becomes inexplicably smaller, which confuses users. Faced with this problem, we need to take some measures to restore hard drive space. This article will introduce you to some simple and effective methods to help solve this problem. Whether you are cleaning up temporary files or using a disk cleaning tool, it can help you recover occupied hard drive space and make your computer spacious and comfortable again. Next, we will introduce these recovery methods to you in detail one by one.

Win10 hard disk space is reduced for no reason recovery method

1. Delete Windows.old file

If your computer is upgraded from Win 7 or Win 8 system to Win10, and When the C drive space becomes smaller and smaller, it is recommended to delete the Windows.old file, which can free up a lot of C drive space.

The Windows.old file is a Win7/8 system backup file automatically created when the Win7/Win8 system upgrades to Win10, making it easier for users to roll back to the old system later. If after upgrading to Win10, you do not plan to reduce the price to Win7/8 system later, you can delete this Windows.old file.

The Windows.old file size generally exceeds 5GB, and some even reach 10GB. Deleting this file will undoubtedly free up C drive space to a large extent.

It is very simple to delete the windows.old file. You only need to enter Disk Cleanup and delete it. The specific steps are as follows:

1. First, enter the Win10 computer.

2. Right-click on the system C drive, and then click to open "Properties".

3. Under the General tab of the disk properties, click "Disk Cleanup" and continue to click "Clean System Files".

4. Finally, check "Previous Windows Installation" and click "OK" at the bottom to start cleaning.

2. Delete Win10 Hibernation file

Hibernation function is a power-saving mode. During hibernation, the system saves the data in the memory to the hard disk, causing the CPU to stop working. When using it again, you need to press the power button. The machine will be restored to the state when you performed hibernation without having to perform the complicated process of starting Windows again.

In real life, most users rarely use this function, let alone The size of the hibernation file is almost the largest in the Windows system, so deleting it can definitely achieve twice the result with half the effort.

How to delete the hibernation file in Win10

1. First, use the Win R shortcut key combination to open it. Run the dialog box, then enter cmd and click "OK" at the bottom to open the command operation box, as shown in the figure below.

Then enter or copy in the CMD command box Paste the following command:

powercfg hibernate size XX

Note: The "XX" at the end of the above command represents the percentage value, ranging from an integer from 40 to 100. The recommendation is 40 or 80, the user can Entering a value below 40 will keep the hibernation file size at 40% of the system memory size, as shown in the figure below.

Finally, the values ​​are 80 and 40 The size of the hibernation file after compression ratio changes, as shown in the figure.

The size of the hibernation file after 80% and 40& compression commands

By compressing the hibernation file , it can also effectively free up system space and alleviate the embarrassment of insufficient C drive.

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