Microsoft Windows Error Code 0x800702A2: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
Error Code
0x800702A2
Brand
Microsoft Windows
Product Type
hresult
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 0x800702A2 (ERROR_NO_MORE_DEVICES) indicates Windows cannot find or access a required device. This often occurs due to driver conflicts, corrupt system files, or hardware issues. Follow these steps to resolve the problem.
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Tools You'll Need

How to Fix Error Code 0x800702A2

  1. Restart Your Computer

  2. Run Windows Memory Diagnostic

    Save all work before restarting.
  3. Check for Windows Updates

  4. Update or Roll Back Device Drivers

    Ensure you have a backup of important data before changing drivers.
  5. Run System File Checker and DISM

    Do not close the Command Prompt while scans are running.
  6. Perform a Clean Boot

    This disables temporary non-Microsoft services. You can revert changes later.
  7. Check Hardware Connections

    Unplug your PC and take anti-static precautions before opening the case.
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When to Call a Professional

If the error persists after all steps, or if you suspect hardware failure (e.g., clicking hard drive), contact a professional technician.

Frequently Asked Questions

What does error 0x800702A2 mean?
It means Windows cannot find or access a required device, often due to driver issues, corrupt system files, or hardware problems.
Can error 0x800702A2 be caused by a virus?
Yes, malware can corrupt system files or drivers. Run a full antivirus scan if you suspect infection.
Will I lose data fixing this error?
Most fixes (driver updates, clean boot, SFC) won't delete personal files. However, back up important data before major changes.
Do I need to reinstall Windows to fix error 0x800702A2?
Rarely. Only as a last resort if all other steps fail and you've backed up your data.
How do I access Safe Mode to troubleshoot?
Restart your PC and press F8 (or Shift + Restart) before Windows loads. Select Safe Mode from the menu.