Firmware · medium

How to fixNVRAM-FULL

NVRAM BIOS memory full

What this error means

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.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Remove unnecessary EFI entries

Remove unnecessary EFI entries.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Update BIOS

Update BIOS.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Reset NVRAM via BIOS

Reset NVRAM via BIOS.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Many installed OS
  • Old EFI records
  • Bug in firmware