07
Jan
09

HDD can’t handle big file: Converting FAT32 to NTFS

fat32-error-message1It is weird when you can not copy a big file to your HDD, but you are sure there are plenty of space for the file (error message shown as above). It is due to the file system!!

Years ago, Windows (prior to Windows XP) are using FAT32 for its file system.There are several disadvantage for FAT32, as you can find in the reference list below, the main problem for FAT32 is

You can’t have a file larger than 4095MB (4GB-1byte) in size!

Thus, big file like .iso, .nrg files can’t be copied.

Solution: Convert the file system to NTFS
Command: Windows has its default conversion tool: convert.exe. It is advisable to have a backup before the conversion, even the chance to lose file is minimal, it is still POSSIBLE!
On command prompt (eg. the drive need to be convert is G:)

C:\Documents and Settings\MY PC\>g:

G:\>convert g: /fs:ntfs

It will go through some “yes & no” questions for dismount the files opened in that drive. With such command, you won’t lose any files, but at the end of “yes & no” prompts, you might not allowed to convert the drive also (due to various reason).

If you can’t convert the drive on the run, last step: BACKUP & FORMAT IT.

Reference:

  1. Computing.Net: Can’t copy ISO
  2. Microsoft: Limitations of the FAT32 File System in Windows XP
  3. Microsoft: How to convert a FAT16 volume or a FAT32 volume to an NTFS file system in Windows XP
  4. Microsoft TechNet: How to Convert FAT Disks to NTFS
  5. How to use Convert.exe to convert a partition to the NTFS file system
  6. For those using the convert C: /fs:ntfs Command
  7. Converting FAT32 to NTFS in Windows XP
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3 Responses to “HDD can’t handle big file: Converting FAT32 to NTFS”


  1. 1 Believe me
    December 19, 2009 at 2:15 am

    All you need is File Splitter. I found best one here (with a nice GUI, very fast: splitted 5Gb to 5 parts of 1Gb just in one minute), download and use free: www,freebyte.com/hjsplit

    You don’t need to convert to NTFS anymore, unless you want to take all backup or risk (if electricity lost while convert). Why? If you have HJ SPLIT free program? No need, it is not like winrar which doesn’t do a trick without hours and hours of time. It is just a simple, very fast split and join procedure. I love it, and wanted to share. Other resources in that domain are awesome too. Just saying. No advert.

  2. 2 Believe me
    December 19, 2009 at 2:15 am

    All you need is File Splitter. I found best one here (with a nice GUI, very fast: splitted 5Gb to 5 parts of 1Gb just in one minute), download and use free: http://www.freebyte.com/hjsplit

    You don’t need to convert to NTFS anymore, unless you want to take all backup or risk (if electricity lost while convert). Why? If you have HJ SPLIT free program? No need, it is not like winrar which doesn’t do a trick without hours and hours of time. It is just a simple, very fast split and join procedure. I love it, and wanted to share. Other resources in that domain are awesome too. Just saying. No advert.

  3. 3 albertsiow
    December 21, 2009 at 3:39 am

    Cool, Believe me!
    Thanks for your advise. It is very useful, I should have try it out then!!


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