Laptop BitLocker failing on drive with event log fragmentation

4.5

Massive, fragmented event logs cause disk I/O bottlenecks.

Symptoms
  • Slow encryption
  • System lag
  • Disk usage 100%
Possible Causes
  • System errors spamming the log
  • Audit logging enabled

Step-by-Step Fix

1

Clear Event Logs

Open Event Viewer > Right-click logs > Clear Log.

2

Limit Log Size

Set a maximum size for logs (e.g., 20MB) and "Overwrite as needed".

3

Check for Errors

If logs are huge, find out what is causing the errors.

When to See a Technician

Event logs should be small; if they are hundreds of MBs, something is wrong with your system.

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