Issue Switching SSD from MBR to GPT with Diskgenius

June 10, 2025 2 answers
Asked by TechWhiz42
I recently cloned an SSD for my new computer using Diskgenius, but I'm encountering an issue when attempting to change the format from MBR to GPT. After clicking 'Save', I get an error message saying, 'The ending parameters overflow.' I've included a screenshot for reference, showing that OS E is the drive I'm trying to convert. I'm running Windows 10. I had to repost this because my last attempt got deleted after I added more details.

Answers

DiskMaster99
I've never used Diskgenius for switching MBR to GPT. Itโ€™s often easier to use built-in Windows tools for this, which tend to work without any issues. You might want to check out Microsoft's guide on the process.

TechWhiz42: Thanks, I'll check that out!

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CloneWizard88
Have you tried reaching out in any forums dedicated to Diskgenius? If not, maybe consider doing a clean install of Windows as an alternative, though I understand you prefer cloning over that option.

TechWhiz42: I couldn't find a specific Diskgenius sub, and I prefer cloning since I've done it smoothly in the past. It's frustrating that this time it's giving me trouble.

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