Trouble Booting After SSD Upgrade - Help Needed!

September 17, 2025 3 answers
Asked by TechieExplorer42
My husband recently upgraded his SSD to a WD_BLACK SN850X NVMe 2TB Gen 4, replacing a 250GB Toshiba that seemed to be a Gen 3. I'm not too tech-savvy, but we've run into some issues. Initially, the BIOS didn't detect the new SSD at all, but I managed to fix that. Now, though, it still alerts us to find the correct boot option and reset. We've been researching how to create a boot USB but are struggling to find a free method since we're on a tight budget after buying the SSD. Any advice on getting this new drive up and running, or tips for making a boot USB with what we have?

Answers

NerdyGuidance33
Just a heads upโ€”if the operating system was on your old SSD and you took it out, the computer wonโ€™t boot without it. Can you let us know what motherboard youโ€™re using? It might allow for both SSDs to be installed at once.

TechieExplorer42: We can't even boot with the old SSD anymore. But we've figured out that itโ€™s a Mogul X99 motherboard.

NerdyGuidance33: Got it! That should help with troubleshooting. Letโ€™s see what we can do next.

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CuriousGamer99
Did you replace the old 256GB SSD with the new 2TB one? Make sure itโ€™s properly seated in the motherboard.

TechieExplorer42: Yes, we've already done that.

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WindowsWhizKid76
Check out the Windows Media Creation Tool from Microsoft; itโ€™s free and can help you create a boot USB easily.
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