Windowsの問題修正

WindowsでCHKDSKが動かない？すべてのシナリオのための完全な修正ガイド

2025年12月21日 コメントはまだない
WindowsでCHKDSKがスタック

When CHKDSK Gets Stuck, Everything Stops

ランニング チェックディスク is usually a routine maintenance task. However, when CHKDSK stuck issues occur, users often feel helpless. The scan appears frozen for hours, disk activity stops, and Windows becomes unresponsive. At this point, many users face a difficult question: Should I wait, stop CHKDSK, or restart the system?

Unfortunately, an incorrect decision can lead to ファイルシステムの破損 または 永久データ損失.

このガイドでは why CHKDSK gets stuck, how long you should wait, and which fixes work in real-world scenarios. More importantly, it also addresses data loss risks and explains when using Magic Data Recovery becomes the safest option.

Magic Data Recoveryをダウンロード

Windows 7/8/10/11およびWindows Serverをサポート

目次

What Does “CHKDSK Stuck” Mean?

When users say CHKDSK stuck, they usually mean:

  • The progress percentage does not change for a long time
  • CHKDSK freezes at a specific stage (often stage 4 or 5)
  • Disk usage drops to 0% in Task Manager
  • The system becomes slow or completely unresponsive

In most cases, CHKDSK is not truly frozen. Instead, it is processing complex disk structures that take much longer than expected.

How Long Is Too Long for CHKDSK?

Before assuming CHKDSK stuck, consider these time ranges:

  • Small SSD (≤256GB): 10–40 minutes
  • Large HDD (1–4TB): 2–6 hours
  • Drives with bad sectors: 8+ hours is possible

If CHKDSK shows no progress for more than 3–4 hours, especially with no disk activity, intervention becomes reasonable.

Common Scenarios Where CHKDSK Gets Stuck

CHKDSK Stuck at Stage 1: File Verification

This stage checks file records.

Stalls here often indicate:

Although delays are normal, extreme pauses suggest deeper file system issues.

CHKDSK Stuck at Stage 2 or 3: Index and Security Descriptors

いつ CHKDSK stuck occurs during index verification:

  • The disk may contain orphaned files
  • Folder structures may be severely damaged
  • Antivirus software may interfere

This stage tends to slow down significantly on older HDD.

CHKDSK Stuck at Stage 4 or 5: Bad Sector Scan

This is the most common and alarming scenario.

Stage 4 and 5 perform surface scans, checking every sector on the disk. On failing drives, CHKDSK retries bad sectors repeatedly, which explains why progress seems frozen.

At this point, forcing a shutdown can be risky.

Why CHKDSK Gets Stuck: Root Causes Explained

Understanding the root cause helps you choose the right fix.

1. Physical Disk Damage

Bad sectors and failing read/write heads slow CHKDSK dramatically.

2. Large Disk Size

The larger the disk, the longer each stage requires.

3.ファイルシステムの破損

Severe corruption forces CHKDSK to rebuild metadata structures.

4. Hardware Conflicts

Loose cables, outdated drivers, or controller issues affect stability.

5. Insufficient System Resources

Low memory or background tasks can slow the scan significantly.

Is It Safe to Stop CHKDSK When It Is Stuck?

This depends on what CHKDSK is doing.

  • If CHKDSK runs in 読み取り専用モード, stopping is usually safe
  • If CHKDSK is repairing the file system, interruption can worsen corruption

When data matters, stopping CHKDSK without preparation increases risk.

ベストプラクティス： secure your data first, then attempt repairs.

What to Do Before Fixing a CHKDSK Stuck Issue

Before applying any fix:

  1. Wait at least 2–3 hours
  2. Check disk activity via Task Manager
  3. Listen for abnormal disk noises
  4. Avoid repeated forced restarts

If important files exist on the drive, データ復旧 should come first.

Recover Data Before Attempting Risky Fixes

いつ CHKDSK stuck happens due to disk errors, continued repairs may overwrite recoverable data. This is where a dedicated recovery tool が不可欠になる。.

Magic Data Recoveryが推奨される理由

Magic Data Recovery is designed for situations where disk repair tools fail or become unsafe.

Key Pain Points It Solves

独自のメリット

  • 読み取り専用スキャンでさらなる損傷を防ぐ
  • Advanced deep scan for lost partitions
  • 復元前にファイルをプレビュー
  • User-friendly interface for non-technical users

Typical Use Scenarios

  • CHKDSK stuck at stage 4 for hours
  • Disk becomes RAW after interruption
  • Files disappear after forced restart

Compared to manual fixes, Magic Data Recovery 焦点 データ安全第一, which makes it more reliable in high-risk scenarios.

Magic Data Recoveryをダウンロード

Windows 7/8/10/11およびWindows Serverをサポート

If you are dealing with critical files, trying Magic Data Recovery before further disk repairs is a safer approach.

Proven Fixes for CHKDSK Stuck on Windows

After securing your data, apply the following fixes.

Fix 1: Restart CHKDSK in Safe Mode

Safe Mode reduces system interference.

ステップ

  1. Restart Windows
  2. Enter Safe Mode
  3. 管理者としてコマンドプロンプトを開く
  4. 走れ：

chkdsk C：/f

This often resolves CHKDSK stuck issues caused by software conflicts.

Fix 2: Run CHKDSK Without Surface Scan

If stage 4 or 5 causes delays, avoid /r.

chkdsk C：/f

This skips bad sector scanning and completes faster.

Fix 3: Check Disk SMART Status

Use manufacturer tools or SMART utilities to verify disk health.

A failing disk should not undergo repeated CHKDSK repairs.

Fix 4: Run SFC and DISM

System file corruption can interfere with disk checks.

sfc /scannow

DISM/オンライン/クリーンアップ-イメージ/RestoreHealth

Run these 以前 retrying CHKDSK.

Fix 5: Replace the Drive if Errors Persist

もし CHKDSK stuck continues after multiple attempts, the disk may be physically failing. Continued use increases data loss risk.

避けるべき一般的な間違い

  • Repeated forced shutdowns
  • Running CHKDSK multiple times on a failing disk
  • Ignoring early signs of hardware failure
  • Attempting repairs before データ復旧

These mistakes often turn recoverable data into permanent loss.

まとめ

A CHKDSK stuck issue does not always indicate failure, but it does signal potential risk. While waiting can help in mild cases, persistent freezes often point to deeper disk problems.

The safest strategy follows this order:

  1. Assess disk activity
  2. Recover important data first
  3. Apply targeted fixes
  4. Replace failing hardware when necessary

Magic Data Recovery stands out because it prioritizes data safety over risky repairs. For users who value their files, it provides a practical and reliable solution when CHKDSK cannot finish its job.

If you are looking for a safer way to handle a stuck disk check, Magic Data Recovery は検討に値する。.

Magic Data Recoveryをダウンロード

Windows 7/8/10/11およびWindows Serverをサポート

よくあるご質問

1. Is it safe to stop CHKDSK at stage 4?

Stopping CHKDSK at stage 4 is not recommended unless absolutely necessary. Stage 4 scans the disk surface for bad sectors and attempts recovery. Interrupting this process may worsen file system corruption or lead to data loss, especially on damaged HDDs. If important files exist, data recovery should be performed before stopping CHKDSK.

2. Why is my CHKDSK taking so long?

CHKDSK may take a long time due to disk size, the presence of bad sectors, severe file system corruption, or hardware degradation. Stage 4 and stage 5 are particularly slow because they perform sector-by-sector scans. Older HDDs and failing drives are common causes of extended scan times.

3. How long does CHKDSK stage 4 take?

CHKDSK stage 4 can take several hours on large or damaged drives. On healthy SSDs, it may complete within minutes, while on multi-terabyte HDDs with bad sectors, it can run for 6–8 hours or longer. Lack of progress for several hours may indicate disk issues.

4. Is CHKDSK /f or /r better?

Neither option is universally better; they serve different purposes. CHKDSK /f fixes logical file system errors and runs faster. CHKDSK /r includes a surface scan to locate bad sectors, which significantly increases scan time and disk stress. On suspected failing drives, /f is often safer.

5. Can you cancel CHKDSK while it's running?

You can cancel CHKDSK, but doing so while it is repairing the file system is risky. If CHKDSK is running in read-only mode, cancellation is generally safe. However, if repairs are in progress, stopping the process may cause further corruption or make data recovery more difficult.

6. What if CHKDSK freezes?

If CHKDSK appears frozen, first check disk activity and allow sufficient time, especially during stage 4. If there is no progress for several hours and disk activity is zero, the drive may be encountering bad sectors or hardware failure. In such cases, recovering data before further repair attempts is strongly advised.

7. Can CHKDSK take days?

Yes, CHKDSK can take days in extreme cases. Very large drives, extensive bad sectors, or repeated read retries can cause CHKDSK to run for an unusually long time. When CHKDSK exceeds 24 hours with minimal progress, it often indicates serious disk problems rather than normal behavior.

エリン・スミスは、Amagicsoftで最もプロフェッショナルなライターの一人として認められています。過去10年にわたりライティングスキルを磨き続け、何百万人もの読者の技術的な問題解決に貢献してきました。.

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