Laptop BitLocker failing on drive with SATA PHY error count limit
4.5
Physical layer communication errors between the drive and the laptop.
Symptoms
- Random disconnects
- Blue screen
- I/O error
Possible Causes
- Loose cable
- Faulty port
- Interference
Step-by-Step Fix
1
Check SMART Attribute 183
Monitor "SATA PHY Error Count".
2
Reseat Drive
Ensure a tight connection.
3
Check Motherboard
The SATA controller may be failing.
When to See a Technician
PHY errors are almost always physical; check the connector pins for damage.
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