Laptop unable to use BitLocker on drive with hibernation file fragmentation

4.5

The hibernation file (hiberfil.sys) is fragmented, causing boot-time BitLocker errors.

Symptoms
  • BitLocker recovery screen on wake
  • Slow resume
  • Boot error
Possible Causes
  • Low disk space
  • Frequent hibernation

Step-by-Step Fix

1

Disable Hibernation

Run "powercfg -h off" to delete the file.

2

Re-enable Hibernation

Run "powercfg -h on" to recreate a contiguous file.

3

Check Disk Space

Ensure you have enough space for a full-size hiberfil.sys.

When to See a Technician

Always recreate the hibernation file after enabling BitLocker to ensure it's properly secured.

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