What is NVRAM-FULL?
NVRAM-FULL shows up as a medium-severity firmware fault. UEFI NVRAM is full of variables. It causes boot problems and the inability to save settings. Typical causes include many installed OS, old EFI records and bug in firmware. Use the steps below to track down and fix the cause.
Common Causes
- Many installed OS
- Old EFI records
- Bug in firmware
Step-by-Step Fix Guide
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1
Remove unnecessary EFI entries
Remove unnecessary EFI entries is the first thing worth trying, since it resolves NVRAM-FULL for most affected systems.
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2
Update BIOS
A recurrence usually points to a rarer sw-bios instability cause, which is what the following steps are meant to catch.
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3
Reset NVRAM via BIOS
"Reset NVRAM via BIOS" handles an edge case some users report with NVRAM-FULL.
Commands & Diagnostics
bcdedit /enum all
bcdedit /delete {ID}
Frequently Asked Questions
Many installed OS accounts for the majority of NVRAM-FULL reports; old EFI records and bug in firmware come up less often but are documented.
Try "Remove unnecessary EFI entries" first — it resolves most NVRAM-FULL cases on its own. Only work through the rest of the guide above if it comes back.
As a medium-severity issue, NVRAM-FULL is more of a stability annoyance than a hardware risk — the steps above should clear it up.
You shouldn't need to. Work through the guide above first — a reinstall is only worth considering if none of those steps help.
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