Step 1: Login to cPanel
Step 2: Under the Files Section, click on File Manager
Step 3: Locate your WordPress installation files, then navigate to the WP-CONTENT folder. Double-click on it to open it.Enter the WP-content folder
Step 4: Right-click on the plugins and then rename the entire plugins folder to something like “plugins-old”. This folder is in the wp-contents folder of your WordPress installation.
Step 5: Rename the original plugins folder. Here it is renamed to plugins-DISABLED.
Step 6: Re-load your WordPress page. If your page loads, then the problem is most likely a loaded plugin. You should be able to login to your WordPress admin at this point.