What is MBR-GPT-CORR?
MBR-GPT-CORR shows up as a high-severity storage drive (SSD/HDD) fault. The system sees the disk as unallocated space with no data. Typical causes include end of life (age), defective cable, power outages and high temperatures in the M.2 slot. Follow the steps below to fix it.
Common Causes
- End of life (age)
- Defective cable
- Power outages
- High temperatures in the M.2 slot
Step-by-Step Fix Guide
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1
Back up all data immediately
As a first move, Back up all data immediately handles the most common scenario behind MBR-GPT-CORR.
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2
Try replacing the SATA data cable
For the minority of cases that need more work, the later steps dig into less usual storage instability causes.
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3
Run manufacturer diagnostics
Still seeing MBR-GPT-CORR after that? "Run manufacturer diagnostics" is the next thing to check.
Commands & Diagnostics
chkdsk C: /f /r
wmic diskdrive get status
Frequently Asked Questions
The leading cause of MBR-GPT-CORR is end of life (age), though defective cable, power outages and high temperatures in the M.2 slot also show up in our reports.
Try "Back up all data immediately" first — it resolves most MBR-GPT-CORR cases on its own. Only work through the rest of the guide above if it comes back.
Rated high severity — MBR-GPT-CORR isn't immediately destructive, but recurring instances are a sign to fix it sooner rather than later.
You shouldn't need to. Work through the guide above first — a reinstall is only worth considering if none of those steps help.
Open CrystalDiskInfo (free tool) to check your drive's S.M.A.R.T. status. Any yellow or red indicators — especially reallocated sectors or pending sectors — confirm the drive is degrading and should be backed up and replaced immediately.
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