Once you’ve closed the case and booted back up, you’ll notice the drive doesn’t show up in "This PC." This is normal! You need to tell Windows to use it.

His C: drive blinked from red to blue.

Running out of storage is a rite of passage for every PC user. Whether your game library has outgrown your boot drive or you’re a creative professional drowning in high-res footage, adding a second (or third) drive is one of the most cost-effective and impactful upgrades you can make.