I'm new to Linux and looking to set up a dual boot system on my laptop, specifically installing Linux on an external SSD, so that my laptop continues to operate as a regular Windows machine when it's not connected. I've heard that it's important to unplug the internal SSD with Windows installed to prevent risks of one OS interfering with the other, especially with Windows updates potentially damaging the Linux installation. However, accessing the internal drive on a laptop is not as straightforward as on a desktop. Is it still necessary to unplug the Windows drive if I'm using an external SSD? Any advice on this would be greatly appreciated! I'm using a Dell 15 with an AMD Ryzen 7 and Radeon integrated graphics, and I've got a USB drive ready with Mint Cinnamon on it.
3 Answers
You generally don't need to worry about Linux wiping your Windows install unless you accidentally tell it to during the installation. Just be really careful to keep track of which drive you're working on, especially with partitioning. Windows can sometimes mess with Linux installs after updates, but the risk of breaking your laptop while disassembling it to unplug the drive is usually higher. It’s always a good idea to back up important files before jumping in. If you know someone who's familiar with Linux, it might be helpful to get their assistance during the setup!
I’ve had a great experience dual booting with external drives. Just make sure to connect your USB drive, and during the installation process, select that drive as the installation target. One key thing you need to remember is to install the boot manager onto your external SSD. I’ve been using MX Linux, and it runs smoothly! If you're curious, check out some introductory videos on installing different distributions to see what else might work for you.
I've done something similar with an HP laptop and installed Fedora on an external SSD. It worked well! During boot, I can choose which system to start easily (just hit the F9 key). If you're using Mint Cinnamon, just pay attention to where you install the bootloader and specify the external SSD. Overall, it’s a straightforward process, and you should be fine!

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