This post will show you how to convert internal hard drive to external USB in detail.
Some people also choose to buy a new computer for a better experience.
Either way, your old hard drive will be put aside.
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just dont throw the old drive away; it is still useful.
Making oldHDD to USBis a more economical and environmentally friendly choice.
It only takes surprisingly little effort for you to convert internal hard drive to external USB.

Then, determine whether the old drive is ok.
Confirm the interface of hard drive (IDE, SATA, or PATA).
Step four: connect the old hard drive to the enclosure carefully.
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Step five: attach the enclosure to your desktop or laptop by using the USB cable.
Step six: open Windows File Explorer to check whether your drive shows up there.
How to fix Windows Explorer needs to be restarted problem?
This post tells you several methods to solve it.
Thats how to turn internal hard drive to external.
Now, you’re able to use the USB hard drive like any other external hard drives.
Certainly, yes, they canmake their own external HDD enclosure from card.
The interface and size of the enclosure to buy must match that of your hard drive.