Storage · critical

How to fixRAW-FILE-SYSTEM

Disk partition converted to RAW format

What this error means

This critical-severity issue affects the storage drive (SSD/HDD). The disk's file system (NTFS/FAT32) has been corrupted and the system sees it as unformatted (RAW). Data is unavailable. It's most often caused by sudden power failure during write, unfinished formatting or resizing of partition and virus attack on MBR/MFT table. Follow the steps below to fix it.

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
01Do not format the drive if you want to keep the data

Do not format the drive if you want to keep the data.

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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02Use data recovery software (TestDisk, Recuva) to rescue the

Use data recovery software (TestDisk, Recuva) to rescue the.

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

I need help
03partition Try CHKDSK repair with /f parameter (can be risky for recovery)

partition Try CHKDSK repair with /f parameter (can be risky for recovery).

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

I need help

Possible causes

  • Sudden power failure during write
  • Unfinished formatting or resizing of partition
  • Virus attack on MBR/MFT table