Laptop unable to use BitLocker on drive with MFT fragmentation
4.5
The Master File Table is split into too many pieces, slowing down file access.
Symptoms
- Slow file search
- BitLocker setup lag
- System lag
Possible Causes
- Millions of files
- Full drive
Step-by-Step Fix
1
Run Contig Tool
Use Sysinternals Contig to defrag the $MFT file.
2
Reduce File Count
Archive old files into ZIP/RAR to reduce MFT entries.
3
Check for Disk Errors
MFT fragmentation can be caused by bad sectors.
When to See a Technician
The MFT is the most important file on an NTFS drive; keep it healthy.
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