Check Why a Drive Is Missing from a WizTree Audit

Establish whether Windows can access the volume before troubleshooting the analyzer.

Home / Guides / Reports and diagnosis

Short answer: Establish whether Windows can access the volume before troubleshooting the analyzer.

By DiskAnalyzer editorial resource · Published 2026-10-05 · Documentation reviewed 2026-10-05

When this guide is useful

If a disk disconnects repeatedly or reports errors, prioritize protecting its data. Repeated scans are not a repair method and can distract from checking cables, power and the drive's condition.

Recommended workflow

  1. Check the drive in File Explorer.
  2. Verify connection and drive letter.
  3. Check whether the volume is locked.
  4. Rescan after access is restored.

Limits and precautions

A missing or unreadable volume can indicate a hardware or encryption issue.

Keep a useful record

Record the drive or folder, scan time, application version and the measurement you used. Keep observations separate from proposed changes. If a result leads to a cleanup, record the file owner, backup status and actual free-space change. This makes the result easier to review and helps explain differences in a later scan.

Quick review checklist

QuestionWhat to record
What did you inspect?The exact volume or folder, not just the PC name.
What action is justified?Rescan after access is restored.
What could go wrong?A missing or unreadable volume can indicate a hardware or encryption issue.

Next steps

If the result is unclear, preserve the current report and narrow the investigation to one folder or application. Make one approved change at a time, then repeat the relevant measurement. Avoid presenting a predicted saving as a measured outcome.

Related guides

Download information · How we verify guidance

Sources and verification

Prepared from public documentation and practical storage-audit reasoning. No hands-on Windows test or independent binary inspection was performed for this publication. Menu names and package requirements can change; check the developer documentation for your installed version.