Hard Drive Full for No Reason Windows 10/8/7

Jean updated on Dec 07, 2018 to Partition Manager | How-to Articles

Overview of a hard drive full for no reason

Why does the hard drive show full when there are no files taking up space literally? The truth is that many users are experiencing the 'full' issue at the moment. Let's see an example.

My Windows 10 c drive is full without reason:

"Every so often I get a message that says 'you have 0MB free on drive c'. Then it asks me to run a disk cleanup, but I worried that disk cleanup would erase system files that are necessary for Windows. So, would you kindly give some suggestions to fix hard drive full but it is not without losing important files?"

4 fixes for a hard drive full but is not in Windows 10/8/7

We provide four solutions here to help you solve the problem of the hard drive full but it is not in Windows 10, 8 and 7. You can try them one by one until the issue has been resolved perfectly. By the way, the solutions can be applied to some specific searches, including hard disk full but no files, external hard drive says it's full but it's not, my hard drive is full but I don't know why, c drive showing full but nothing on the computer, etc.

Solution 1: Safe cleanup of junk files and large files

Instead of teaching you how to use Disk Cleanup to delete unwanted files and temporary internet files in order to free up some space, it's easier to start out by using a third-party free partition manager software, because all Windows versions are doing the same with it.

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 Windows 10 is supported

The following steps will show you how to clean up junk files on your hard drive. If you want to get rid of the large files from your disk, choose Large File Cleanup in step 2 to do it.

 

Step 1: Launch EaseUS Partition Master. Select "Tools" and click "System Optimization".

choose system optimization

Step 2: Click "Junk File Cleanup". Then you can click "Analyze" to let EaseUS Partition Master find junk files on your PC.

choose junk file cleanup

Step 3: You can check and choose junk files and click Clean up. All of the selected junk files will be cleaned and deleted from your PC. Click "Yes" to clean up junk files.

Clean up junk files

Solution 2: Show hidden files & folders

For the case that hard drive showing full but no files were seen, you can try to unhide files and folders to determine whether the disk space is occupied by hidden items.

How to show hidden files/folders in Windows 10/8/7:

Open "Control Panel" -> "File Explorer Options" -> Click "View" tab -> Check the box in front of "Show hidden files, folders and drives".

show hidden files and folders in windows 10, 8 and 7

Solution 3: Add extra space to drive C

Are there hidden items that are eating up the disk space without your notice? If yes, to fix hard disk full issue without losing data, use EaseUS Partition Master Free again to extend c drive that is filling up for no reason.

Guide: how to increase c drive space or extend c drive?

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 Windows 10 is supported

Solution 4: Temporarily disable System Restore

Here is the last resort you can rely on, which is to temporarily disable System Restore function in Windows computer. You'd amazed at how much space has saved from disabling System Restore in a Windows computer.

How to disable System Restore in Windows 10/8/7:

Open "Control Panel" -> "System" -> "System Protection" -> click the "Configure" under Protection Settings -> Select the option "Disable system protection".

disable system restore in windows 10,8 and7

 
 

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Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

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Free is for home users only, with most basic functions available such as partition resize and clone. While trial can help you understand how this product works and test what a full license can do on a business or server OS machine.

Will it cause any data loss after resizing the partition in EaseUS Partition Master?

Generally, it will not cause any data loss or boot issue by resizing a partition. However, in order to protect your data, we suggest that you backup the partition before resizing, in case of any unexpected situations such as power outages, computer hardware failures, etc. You can use EaseUS Todo Backup to backup the partition and its trial version is fully functioned for 30 days.

What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

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