High
Operating Systems
✓ Solution Verified by Community (0+ upvotes)
How to fix error 0x0000012b in Windows 11
Bug Check 0x0000012B: FAULTY_HARDWARE_CORRUPTED_PAGE — A single-bit error was found on a page — faulty hardware.
Fix based on community reports and expert analysis. Last verified: 2026-08-12
· How we verify fixes
| Error Code | 0x0000012b |
|---|---|
| Affected System | Windows 11 (Microsoft) |
| Difficulty | High |
| Estimated Time | 60 min |
| Requires Admin Rights | ⚠️ Yes |
| Requires Reboot | 🔄 Yes |
Solution Steps
- 1 Run Windows Memory Diagnostic: Press Win+R, type 'mdsched.exe', and press Enter. Choose 'Restart now and check for problems'. This will run a basic memory test. If it finds errors, your RAM is likely faulty.
- 2 For a more thorough test, download MemTest86 and create a bootable USB (follow instructions on their site). Boot from the USB and let it run for at least 4 passes. Any errors indicate faulty RAM that needs replacement.
- 3 If RAM tests pass, check your hard drive: Download CrystalDiskInfo and check the health status. If it shows 'Caution' or 'Bad', back up your data and replace the drive.
- 4 Update your BIOS: Visit your motherboard manufacturer's website and download the latest BIOS update. Follow their instructions. A BIOS update can fix memory compatibility issues.
- 5 Reseat your RAM: Power off your PC, unplug it, and open the case. Remove and reinsert your RAM sticks, ensuring they click into place. This can fix loose connections.
- 6 If the error persists, test your CPU: Use Intel Processor Diagnostic Tool (for Intel CPUs) or AMD Ryzen Master (for AMD). These tools stress-test the CPU and report errors.
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