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February 15th, 2024 23:46

Inspiron 3470 - How to transfer OS from one disk to another

Inspiron 3470

Inspiron 3470

Hi Dell community, I purchased an Inspiron 3470 4 years ago, and it came with 2 separate hard disks installed (C drive on one disk, and D drive on the other disk). Now my C drive where my OS is installed is completely full, however my D drive (where my personal files are kept) still has 400GB left. My question is - how do I transfer my OS from one disk to the other seamlessly? Thanks in advance for your help!

10 Elder

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45.2K Posts

February 16th, 2024 01:20

Version of Windows?

Does this PC have two hard drives or one hard drive for data and an M.2 SSD for the OS ?  And what sizes are the two drives?

Are you sure all personal files are saved on D: (data) drive?  Did you tell Windows to move all its default folders and contents off C: and onto D: ?

You'd have to wipe the D: drive and do a clean Windows install or image the C: onto it (either way, ALL FILES DELETED!). 

You could uninstall some of your apps in Windows that are stored on C:  and reinstall them, but this time directing their installation onto D:.  NOTE: Some apps, including Microsoft Office, may not allow you to install them on a drive that doesn't have the OS on it.  If you opt to uninstall/reinstall some apps, make sure you have their product keys before you uninstall them.

If you actually have a small SSD for C:, you might want to buy a larger one.  You'd need imaging software to create an image of the existing SSD, and save it on an external USB drive. Then swap in a bigger SSD and use the imaging software to copy the image from the USB onto the new SSD, expanding the C: partition to use all the extra space.   The imaging software should give you an  option to create a bootable USB stick, which you'll need to boot the PC after swapping SSDs, so be sure to create it before you swap drives.

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