How to Fix the WordPress White Screen of Death (Step-by-Step Guide)

 
The infamous WordPress White Screen of Death (WSOD) is a dreaded issue for many website owners and developers. It leaves your site inaccessible, displaying a blank white screen with no error message, making it difficult to diagnose the problem. However, don’t worry! This guide will take you through the step-by-step process to fix the WordPress White Screen of Death and get your website back up and running.

>> Read more: How to fix the Wordpress white screen of death (Step-by-step)?

Understanding the WordPress White Screen of Death

Before diving into the solutions, it’s crucial to understand what causes the WSOD. Some common reasons include:

• Plugin or theme conflicts
• Exhausted memory limits
• PHP errors
• Database issues

Now, let's break down the steps to troubleshoot and fix the WSOD.

Step 1: Increase Memory Limit

One of the primary causes of the WSOD is an exhausted memory limit. To increase the memory limit, follow these steps:

1. Access your wp-config.php file: Connect to your site via FTP or use the File Manager in your hosting control panel.
2. Edit the wp-config.php file: Add the following line before the /* That's all, stop editing! Happy blogging. */ comment:

   php
   define('WP_MEMORY_LIMIT', '128M');
   

3. Save the changes and upload the file back to your server.

If increasing the memory limit resolves the issue, you may want to investigate further to understand why your site is consuming so much memory.

Step 2: Disable All Plugins

Plugin conflicts are another common cause of the WSOD. Here’s how to disable all plugins:

1. Access your site’s files via FTP.
2. Navigate to the wp-content folder and rename the plugins folder to plugins_backup.

This action will disable all plugins. If your site loads correctly after this, you know one of the plugins is causing the issue. Rename the folder back to plugins and reactivate each plugin one by one to identify the culprit.

Step 3: Switch to a Default Theme

A problematic theme can also trigger the WSOD. To determine if your theme is the issue:

1. Access your site’s files via FTP.
2. Navigate to the wp-content/themes folder.
3. Rename your active theme’s folder (e.g., mytheme to mytheme_backup).

WordPress will revert to a default theme like Twenty Twenty-One. If your site loads, the issue lies with your theme. Consider updating or replacing it.

Step 4: Enable Debugging

Enabling WordPress debugging can help identify the root cause of the WSOD. To enable debugging:

1. Access your wp-config.php file via FTP.
2. Add the following lines of code before the /* That's all, stop editing! Happy blogging. */ comment:

   php
   define('WP_DEBUG', true);
   define('WP_DEBUG_LOG', true);
   define('WP_DEBUG_DISPLAY', false);
   

These lines will log errors to a debug.log file in the wp-content directory. Review this file to identify any errors that could be causing the WSOD.

Step 5: Clear Your Cache

Cached files can sometimes cause the WSOD. Clear your browser cache and any caching plugins you might be using (like W3 Total Cache or WP Super Cache).

1. Clear Browser Cache: In your browser settings, clear the cache and cookies.
2. Clear Plugin Cache: If you can access your WordPress dashboard, go to the caching plugin settings and clear the cache. Alternatively, delete cached files via FTP.

Step 6: Repair the Database

A corrupted database can also cause the WSOD. To repair your database:

1. Access your wp-config.php file via FTP.
2. Add the following line of code:

   php
   define('WP_ALLOW_REPAIR', true);
   

3. Visit http://yourdomain.com/wp-admin/maint/repair.php and follow the instructions to repair the database.
4. Remove the repair code from wp-config.php after completing the repair.

Step 7: Reinstall WordPress Core Files

If the WSOD persists, reinstalling WordPress core files might help:

1. Download the latest version of WordPress from wordpress.org.
2. Extract the files on your computer.
3. Upload the wp-admin and wp-includes folders via FTP, replacing the existing ones on your server.

This process will not affect your content but will ensure that your core files are intact and up-to-date.

Step 8: Check File Permissions

Incorrect file permissions can also cause the WSOD. The correct permissions are:

• Files: 644
• Folders: 755

To check and set permissions:

1. Access your site via FTP.
2. Right-click on the files and folders and select 'File Permissions' or 'Change Permissions'.
3. Set the permissions accordingly.

Step 9: Contact Your Hosting Provider

If none of the above steps resolve the WSOD, it’s time to contact your hosting provider. They may be able to provide insights or fix issues related to server configurations or resource limits.

Conclusion

The WordPress White Screen of Death can be a frustrating issue, but by following these step-by-step instructions, you can identify and resolve the underlying problems. Remember to always back up your site before making any changes, and if you’re unsure, seek help from a professional. With patience and methodical troubleshooting, you’ll have your WordPress site back to normal in no time.