Laptop unable to use BitLocker on drive with soft read errors

4.5

The drive can read data but only after multiple retries, slowing encryption to a crawl.

Symptoms
  • Extremely slow progress
  • System lag
  • No hard error yet
Possible Causes
  • Weak magnetic signal
  • Aging drive
  • Interference

Step-by-Step Fix

1

Run chkdsk /f

Fix any logical filesystem issues.

2

Check SMART Attribute 1

Monitor "Raw Read Error Rate".

3

Replace Drive

Soft errors are the precursor to hard bad sectors.

When to See a Technician

Soft errors won't always trigger a failure, but they make the encryption process take 10x longer.

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