What is NVRAM-FULL-ERR?
This high-severity issue affects the firmware. The NVRAM memory capacity for storing boot variables is full. It's most often caused by too many OS installed and UEFI error (eg creating duplicate entries). Follow the steps below to fix it.
Common Causes
- Too many OS installed
- UEFI error (eg creating duplicate entries)
Step-by-Step Fix Guide
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1
Clear NVRAM via EFI shell
The highest-success first step is Clear NVRAM via EFI shell, which targets the most common trigger behind NVRAM-FULL-ERR.
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2
Update the BIOS
A second occurrence often means a less common sw-bios instability cause is at play, which later steps address.
Commands & Diagnostics
bcdedit /enum firmware
Frequently Asked Questions
The leading cause of NVRAM-FULL-ERR is too many OS installed, though UEFI error (eg creating duplicate entries) also show up in our reports.
"Clear NVRAM via EFI shell" clears up most NVRAM-FULL-ERR reports by itself. The remaining steps above cover what's left.
Rated high severity — NVRAM-FULL-ERR isn't immediately destructive, but recurring instances are a sign to fix it sooner rather than later.
In most cases, yes — the guide above resolves NVRAM-FULL-ERR without a clean install. Treat a reinstall as the last resort, not the first move.
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