One of the more demoralizing Windows problems is the Automatic Repair loop. You see “Preparing Automatic Repair,” then “Diagnosing your PC,” then a black screen, then a restart — and the cycle starts over. Windows is trying to fix itself and failing, then trying again, forever.

Why this happens

Windows is designed to detect when boot is failing and automatically launch its repair tools. When the repair tools themselves can’t fix the underlying problem, Windows restarts and tries again. If the repair tools fail every time, you end up in an endless loop.

The most common causes:

• A botched Windows update that left the system half-patched
• A driver install (often a graphics driver) that broke the boot process
• System file corruption from a sudden shutdown or power loss
• A failing storage drive making files unreadable intermittently
• Less commonly: malware

How to escape the loop

Step 1: Force into the Windows Recovery menu. When the loop starts, you can usually break in by interrupting boot three times in a row — hold the power button to force off as soon as you see the Windows logo, then power back on. After three failed boots, Windows will offer the Recovery menu (“Choose an option”). From here you have actual repair options.

Step 2: Try the easy fixes first. From Recovery, choose Troubleshoot → Advanced options. The order to try:

1. Startup Repair — sometimes works on the second or third try.
2. Uninstall Updates — if the loop started right after a Windows update, removing the latest update often fixes it without losing data.
3. System Restore — rolls Windows back to an earlier point. Doesn’t affect personal files.
4. Safe Mode — boot into a minimal Windows. If Safe Mode works, the loop is being caused by a driver or program loaded at normal startup, and you can disable or uninstall it.

The Command Prompt option

If none of the GUI options help, Recovery also gives you a Command Prompt. Useful commands:

sfc /scannow
DISM /Online /Cleanup-Image /RestoreHealth
chkdsk c: /f /r

These check for corrupt system files, repair the Windows image itself, and check the disk for errors. They take a while — chkdsk especially can run for an hour or more on a struggling drive — but they fix a meaningful share of these loops.

What to do if nothing works

If even Command Prompt repairs fail, the next step is usually backing up your data and reinstalling Windows. We can do that without losing your files in many cases (we boot from a recovery environment, copy off your user data, then do a clean install and put it back). If the drive itself is failing, the priority becomes data preservation — we’d rather get your photos and tax returns back than save the OS.

Don’t make it worse

If you see a “Reset this PC” option that asks if you want to keep your files — read carefully. Some versions of that option will erase your apps but keep documents. Others wipe everything. If you have anything irreplaceable, stop and bring it in before clicking that.

Walk It In

Automatic Repair loops are something we see at the shop multiple times a week, and a meaningful share are repairable without data loss. Bring it to our 9th Street shop in Durham, Mon–Fri 10AM–6PM. (919) 314-3327.

Related errors: “INACCESSIBLE_BOOT_DEVICE,” “Operating System Not Found.”