When one website will not open, first determine whether the problem affects one site, one browser, one device, or the entire network. That quickly narrows the likely cause.

Before you start: Save important work and avoid deleting, resetting, or changing anything you do not understand. Software menus can move slightly between versions.

Step-by-step instructions

Step 1: Try another website

If no websites open, focus on the internet connection.

Step 2: Try a private window or another browser

This helps test extensions, cookies, and browser settings.

Step 3: Try another device

Use another device on the same network.

Step 4: Reload and clear relevant site data

Start with a normal reload and clear only what is needed.

Step 5: Disable suspicious extensions temporarily

Test without extensions that modify pages, ads, privacy, or network traffic.

Step 6: Restart network equipment if several devices are affected

Restart the router before making larger configuration changes.

Useful tips

  • Do not permanently disable security protection to make one site load.
  • A website may be temporarily down even when your internet is fine.
  • Work, school, or family networks may intentionally block some websites.

Frequently asked questions

Why does the site work on my phone but not PC?

The browser, DNS, extension, firewall, or PC network settings may differ.

Should I change DNS immediately?

No. Test simpler causes first.

What if only one browser fails?

Focus on that browser's cache, profile, extensions, or settings.

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