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Fix a Chromebook that has an extension that breaks

We'll identify the bad extension, disable or remove it, and restore normal browsing—or tell you when to call support.

Troubleshooting · Home maintenance
5–15 min
What you'll need
  • Chromebook
  • List of extensions you use (to reinstall if needed)
Step 1 of 5

Quick triage — pick your path

Get started

Choose the option that matches what you see. You can jump straight to that section.

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Steps

Goal: Find and disable or remove the extension that breaks the Chromebook.

  • Open chrome://extensions.
  • Good: Extensions page loads. Proceed to Disable extensions.
  • Bad: If the Chromebook crashes first, try Guest mode (no extensions).

Disable extensions

Goal: Identify the problematic extension.

  • Disable extensions one by one. After each, test if the issue is gone.
  • Good: You find the culprit. Remove it and update the rest.
  • Bad: If disabling all does not help, the cause may be Chrome OS—call support.

Remove and reinstall

Goal: Fix a needed but corrupt extension.

  • Remove the extension. Reinstall from the Chrome Web Store. Clear site data if the issue returns.
  • Good: Extension works after reinstall.
  • Bad: Extension may be incompatible—find an alternative.

When to get help

Contact support if:

  • Disabling all extensions does not fix the issue.
  • The Chromebook crashes before you can open chrome://extensions.

Verification

  • The Chromebook no longer crashes or freezes from the extension.
  • Pages load normally.
  • You can re-enable other extensions without the issue returning.

Escalation ladder

Work from the device outward. Stop when the problem is fixed.

  1. Disable one by one Turn off extensions in chrome://extensions to find the culprit.
  2. Remove and update Remove bad extension; update remaining extensions.
  3. Disable all Disable all extensions; re-enable one by one.
  4. Call support All extensions disabled, issue persists.

What to capture if you need help

Before calling support or posting for help, have these ready. It speeds everything up.

  • Extension names that cause the issue
  • Whether disabling all extensions fixes it
  • Steps already tried

Can you open chrome://extensions?

If the Chromebook crashes before you can open it, try Guest mode.

Type chrome://extensions in the address bar. Opens: disable extensions one by one. Crashes: try Guest mode (no extensions) or Powerwash.

Yes No

You can change your answer later.

Disable extensions one by one

Turn off each extension. Test after each. When the issue stops, you found the culprit. Remove that extension. Update the rest.

Yes No

You can change your answer later.

Try Guest mode

Sign out. Click "Browse as Guest". Guest mode has no extensions. If it works, an extension is the cause. Sign back in and disable extensions.

Done

Disable all extensions

Turn off every extension. If the issue persists, the cause may be Chrome OS or another app. Restart. If still broken, call support.

Done

Issue resolved

Remove the bad extension. Update the rest. Restart if needed.

Done

Reviewed by Blackbox Atlas

Frequently asked questions

Why would an extension break my Chromebook?
Conflicting extensions, outdated or buggy extensions, or corrupt extension data. Disable extensions to isolate the cause.
Can I fix extension issues myself?
Yes. Disable extensions one by one in chrome://extensions to find the culprit. Remove or update the problematic extension.
When should I call support for extension issues?
If disabling all extensions does not fix the issue, the problem may be Chrome OS or another app. Contact support.

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