How to Solve C drive full on Dell Computer Problem?

Scenario
What is filling up C drive on Dell computer?
How to free up space for C drive on Dell PC?
How to extend C drive on Dell computer

Scenario

"After using a Windows 10 Dell laptop for a time, I keep receiving Low Disk Space warning on C drive. Then I open File Explorer and found partition C almost full. I didn't put any files on this partition. Why is Dell C drive on Dell laptop getting full automatically? How can I fix C drive full issue?"

What is filling up C drive on Dell computer?

As the default download folder is located in C drive, you may have saved large files to C drive but you don't know. Page files, previous Windows installation, temporary files, and other system files can take up system space on C drive as well. What's more, if your computer is infected with viruses, viruses may generate files to fill up C drive.

How to free up space for C drive on Dell PC?

Here will offer you several ways to free up space for C drive on Dell laptop or desktop that is running Windows operating system.

1. Run anti-virus software to scan Dell computer

If there are chances that your computer is infected with viruses, it is recommended to perform a virus scan at first. You can use Windows Defender or third-party anti-virus software to scan your computer.

2. Delete unwanted files on C drive

You can launch Disk Cleanup to delete unwanted files on C drive by following the steps below:

Warning: Before deleting, you should make sure that you don't need the files anymore.

1. In File Explorer, right-click C drive and choose Properties.

2. In the pop-up window, click Disk Cleanup.

3. It will calculate the capacity of space that you can free up. Then, choose the files that you want to delete and click OK.

3. Uninstall unnecessary applications

If you have installed some applications on C drive and now you want to uninstall them to reclaim space, you can do as follows:

1. Press Windows +R, input control panel, and go to Programs > Programs and Features.

2. Locate the program that you want to uninstall, right-click it, and click Uninstall.

If there is still not enough space for C drive on Dell computer, you can try to delete hibernation file to free up disk space.

4. Move programs from C drive to another drive

If there is still no enough free space on Dell C drive, you can move installed programs on C drive to another drive to free up disk space, and after the move, you can scan your C drive to find removable large files and delete them.

To complete the task, you can use Qiling Disk Master Professional, a safe and comprehensive partition manager for Windows 10/8/7, XP, and Vista. Install and run it. Then, see how it works:

☞ It's available to download its demo version to simulate the operation.

Free Download
Windows 11/10/8.1/8/7, 100% Secure

How to extend C drive on Dell computer?

If you have no intention to free up space for C drive on Dell computer, you can increase the capacity of system partition to fix Dell computer C drive full issue. When there is a contiguous unallocated space behind C drive, you can extend partition C effortlessly. But what if there is no such unallocated space?

Don't worry, you can turn to the great partition manager – Qiling Disk Master Professional to allocate free space to C drive from a partition that has enough space or add non-contiguous unallocated free space to C drive without data loss.

1. Right-click the partition that has enough free space (Here is Partition D) and choose Move/resize.

2. On this page, determine the size of free space that you want to allocate to C drive and choose C drive as the destination drive.

3. You'll return to the main console. If you are satisfied, click Proceed to commit the operation.