Storage · medium

How to fixHDD-SLOW-READ-SPEED

HDD slow read/write speed

What this error means

HDD-SLOW-READ-SPEED shows up as a medium-severity storage drive (SSD/HDD) fault. A mechanical hard disk drive (HDD) exhibiting extremely slow read/write speeds, typically below 30 MB/s when sequential reads should be 100-200 MB/s. This is an early warning sign of imminent drive failure. Causes include bad sector remapping slowing down reads, head misalignment, or degraded drive spindle motor. The steps below are ordered to resolve this efficiently.

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Back up all data immediately
  1. Back up all data immediately
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02Run CHKDSK to remap bad sectors
  1. Run CHKDSK to remap bad sectors
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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03Monitor with CrystalDiskInfo for S.M.A.R.T. data
  1. Monitor with CrystalDiskInfo for S.M.A.R.T. data
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Developing bad sectors forcing multiple read retries
  • Head misalignment from physical shock
  • Degraded spindle motor