Windows XP Vista Tips and IT Knowledge Network Wireless

When you install third paty software sometime,it may overwrite default important operating system files(Windows system files). This can cause Windows software or applications to unstable or fail.

Microsoft Windows have command to check scan and replace the system files call ‘System File Checker’ by command

“sfc”

Scan system files by sfc command following step;

Start menu > run type sfc /scannow and Enter key

sfc command will scan your windows system files and verify the correct version.If they’re not, the incorrect or missing files will be replaced automatically. You must prompt insert your Windows version installation CD if a problem is detected.

Command option for sfc command

• /SCANNOW Scan all protected system files immediately.
• /SCANONCE Scan all protected system files once at the next windows reboot.
• /SCANBOOT Scan all protected system files every windows reboot.
• /REVERT Return scan to default setting.
• /PURGECACHE Purges the file cache.
• /CACHESIZE=x Sets the file cache size.

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This method will help you convert your file system.

What is Difference between NTFS and FAT32.?

Volume size
FAT32 : Volumes size from 512 MB to 2TB. (but Windows XP, you can format a FAT32 volume up to 32 GB only.)
NTFS : Volumes size  from 10 MB to  2TB and range upward. For example, a dynamic disk formatted with a standard allocation unit size (4 KB) can have partitions of 16 TB minus 4KB.

File size
FAT32 : Maximum file size is 4 GB.
NTFS : File size limited only by size of volume.

Maximum files per volume.
FAT32 : 4,294,967,295 files.
NTFS : 65,534 files or folders per folder.

If you want to convert file system following  this step -

First : Close all open applications.

Use command line to convert
“Convert volume /FS:NTFS” (replace volume with drive letter example d:)

That’s it. If there are open files on the volume being converted, you’ll have to reboot your system for the process to complete.

Command Option:
•/nosecurity for reset security can accesseble by everyone
•/X forces volume to dismount first

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