Navigate to the directory where your WordPress files are located.
Open the wp-content folder.
Inside the wp-content folder, locate the plugins folder.
Rename the plugins folder. This will automatically deactivate all of your plugins. You can rename the folder anything you like, but we recommend choosing something that won’t confuse you if you have to leave your FTP client and reconnect to the server before completing this task. The title plugins_inactive works nicely.
Log in to your WordPress Dashboard. If the white screen of death is gone and you’re able to log in, you’ll know that one of your plugins is, in fact, causing the white screen.
Change the name of the renamed folder back to plugins. Now all of your plugins should appear on the Plugins page in WordPress, but they will be inactive. Start reactivating them, one by one. When the white screen reappears, you’ll know which plugin is to blame.
Return to your FTP client and delete the problem plugin.