CHKDSK IS NOT AVAILABLE FOR RAW DRIVES? TRY THESE PROVEN FIXES
You plugged in your USB drive, external HDD, or SD card, and Windows threw up an error: “The type of the file system is RAW. CHKDSK is not available for RAW drives.” Now you’re stuck, frustrated, and searching for answers. The internet is full of advice, but not all of it is good. Some of it is downright dangerous. Below, we bust five myths that are leading people to waste time, lose data, or even make problems worse.
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MYTH 1: “RAW MEANS THE DRIVE IS PHYSICALLY DAMAGED”
This is the first thing people assume. They see “RAW” and immediately think the drive is dead, the platters are scratched, or the flash memory is fried. They start shopping for a new drive or resign themselves to losing everything.
Why it’s wrong: RAW doesn’t mean physical damage. It means Windows can’t recognize the file system. The drive might be perfectly healthy, but the partition table, boot sector, or file system metadata is corrupted. Physical damage usually causes different symptoms—clicking noises, failure to spin up, or I/O errors. RAW is almost always a logical issue, not a hardware one.
The truth: Don’t assume the drive is dead. RAW is often fixable with the right tools. Jumping to conclusions leads to unnecessary panic and data loss. Focus on recovery first, not replacement.
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MYTH 2: “FORMATTING THE DRIVE WILL FIX RAW AND RESTORE MY FILES”
People read this everywhere: “Just format the drive, and it’ll work again.” They right-click the recover data from external hard drive on Mac in File Explorer, hit “Format,” and hope for the best. Sometimes they even check “Quick Format” to save time.
Why it’s wrong: Formatting erases the file system and creates a new one. If your drive is RAW, formatting it will overwrite the existing (corrupted) file system metadata, making recovery much harder. Quick Format doesn’t erase data, but it still destroys the structure needed to find your files. Full format writes zeros to the entire drive, obliterating everything.
The truth: Formatting is a last resort, not a first step. If you care about your data, never format a RAW drive before attempting recovery. Use data recovery tools first, then format only if you’ve given up on the files or have backups.
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MYTH 3: “CHKDSK IS THE ONLY TOOL THAT CAN FIX RAW DRIVES”
This myth is everywhere. People try CHKDSK, see the error, and assume no other tool can help. They keep searching for ways to “force” CHKDSK to work or spend hours tweaking settings, convinced it’s their only hope.
Why it’s wrong: CHKDSK is designed for NTFS and FAT file systems, not RAW. RAW means the file system is unrecognizable, so CHKDSK can’t even start. It’s like trying to use a wrench on a nail—wrong tool for the job. Other tools, like TestDisk, DiskGenius, or professional recovery software, are built specifically to handle RAW drives and corrupted file systems.
The truth: CHKDSK is useless for RAW drives. Stop trying to make it work. Switch to tools that actually support RAW recovery, like TestDisk for partition repair or PhotoRec for file extraction.
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MYTH 4: “IF TESTDISK DOESN’T WORK, NOTHING WILL”
People download TestDisk, follow a guide, and if it doesn’t immediately fix their drive, they give up. They assume TestDisk is the only free tool worth trying, and if it fails, their data is gone forever.
Why it’s wrong: TestDisk is powerful, but it’s not magic. It can’t fix every issue, especially if the drive has severe corruption or bad sectors. It’s also command-line based, which intimidates many users. Just because TestDisk doesn’t work doesn’t mean other tools won’t. Professional recovery software like R-Studio, Disk Drill, or EaseUS Data Recovery often succeed where TestDisk fails.
The truth: TestDisk is a great first step, but it’s not the only option. If it doesn’t work, try other tools before declaring defeat. Paid software often has better algorithms for deep scanning and file reconstruction.
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MYTH 5: “BAD SECTORS MEAN THE DRIVE IS TOAST”
When people run a surface scan and see bad sectors, they assume the drive is failing and rush to replace it. They think bad sectors = physical damage = no hope for recovery.
Why it’s wrong: Bad sectors can be logical, not physical. Logical bad sectors are caused by software issues, like corrupted file system metadata or improper shutdowns. These can often be repaired with tools like HDD Regenerator or Victoria. Even physical bad sectors don’t always mean the drive is dead. Many drives have spare sectors that can replace the bad ones, and data can still be recovered from the good areas.
The truth: Don’t panic over bad sectors. Run a tool like CrystalDiskInfo to check the drive’s health. If it’s mostly green, focus on recovery. If it’s red, consider professional help before giving up. Bad sectors don’t automatically mean the drive is useless.
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PROVEN FIXES FOR RAW DRIVES
Now that the myths are busted, here’s what you should actually do when CHKDSK fails on a RAW drive.
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FIX 1: USE TESTDISK TO REPAIR THE PARTITION TABLE
TestDisk is free, open-source, and designed to fix partition issues. It can rewrite corrupted partition tables, recover deleted partitions, and even rebuild boot sectors.
Steps:
1. Download TestDisk from CGSecurity’s website. Don’t get it from random third-party sites.
2. Run TestDisk as Administrator. Select “Create” to start a new log file.
3. Choose the RAW drive from the list. Select “Proceed.”
4. Pick the partition table type. For most modern drives, it’s “Intel” (MBR) or “EFI GPT.”
5. Select “Analyse” to scan for lost partitions. TestDisk will show the current partition structure.
6. If it finds a partition, highlight it and press “P” to list files. If files appear, the partition is recoverable.
7. Press “Enter,” then “Write” to save the partition table. Reboot and check if the drive is accessible.
If TestDisk finds your files but can’t write the partition table, use “Deeper Search” for a more thorough scan. This takes longer but often succeeds where the quick scan fails.
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FIX 2: EXTRACT FILES WITH PHOTOREC
If TestDisk can’t fix the partition, PhotoRec (included with TestDisk) can extract files directly from the RAW drive. It ignores the file system and scans for file signatures, so it works even when the drive is unrecognizable.
Steps:
1. Open PhotoRec from the TestDisk folder. Run as Administrator.
2. Select the RAW drive and press “Proceed.”
3. Choose the partition (usually the whole disk if it’s RAW).
4. Pick the file system type. For RAW drives, select “Other.”
5. Choose a destination folder for recovered files. Never save them to the RAW drive.
6. Press “C” to start recovery. PhotoRec will scan the drive and save files to