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[Solved] How to fix Magento 2 Blank Admin Page Issue

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The blank admin page issue in Magento 2 often occurs when you upgrade Magento 2 version or even with a fresh installation of Magento 2 in Localhost.

Note: You may not see this error on a live site hosted on Magento 2 hosting server, the fix for live site is different. Drop a comment below if you see this error on live site.

When this error occurs, you will see Magento 2 admin page like this.

blank admin page magento 2A proper admin page of Magento 2 should be like this

proper admin page magento 2

I have been facing this issue many times and I finally understand why this error happens. I also found a method working to fix this annoying Magento 2 issue.

Cause of the error

The error usually happens on a localhost installation of Magento 2 on the Windows operating system. The cause of this error is that Magento 2 and Windows has a different file path indicator.

  • On Windows, you can see path to a folder like this: C://Magento2/App/Code
  • In Magento 2, file path is: Magento2\App\Code

That’s it! The cause of the error is different file path indicators between Magento 2 and Windows, which make Magento 2 couldn’t load template files.


This error usually occurs in Magento 2.2.7 and Magento 2.3, 2.3.1, 2.3.2, 2.3.3 version.

As the 2 versions 2.3.x and 2.2.7 have some differences in code, there should be 2 fixes for each version.

Solution for Magento 2.3.x

Go to Validator.php template file located in your theme’s folder: C:\\xampp\htdocs\magento2_installation_folder\vendor\magento\framework\View\Element\Template\File\Validator.php

validator php file

If you can’t find \vendor\magento\framework\ folder, go check in


Next, go to line 138-139 you will see this code

$realPath = $this->fileDriver->getRealPath($path);

line code to fix

This line of code defines the admin template file path, we will update this line to fix the issue. Now replace this line with the following code:

$realPath = str_replace('\\', '/', $this->fileDriver->getRealPath($path));

You can either remove the old code or better, comment that code line by putting “//” in front of the old code line. The new code should be like this:

replace code line

I highlighted the line here:

 * Checks whether path related to the directory
 * @param string $path
 * @param string|array $directories
 * @return bool
protected function isPathInDirectories($path, $directories)
    if (!is_array($directories)) {
        $directories = (array)$directories;

//$realPath = $this->fileDriver->getRealPath($path);
$realPath = str_replace(‘\\’, ‘/’, $this->fileDriver->getRealPath($path));

    foreach ($directories as $directory) {
        if (0 === strpos($realPath, $directory)) {
            return true;
    return false;

Now save file and refresh Magento 2 admin page to see if the issue is fixed

Solution for Magento 2.2.7

The older version – Magento 2.2.7 – has a little different fix.

fix magento 2.2.7 1

We will add $realPath = str_replace('\\', '/', $this->fileDriver->getRealPath($path));  before if (!is_array($directories)) {

Also, we will change if (0 === strpos($this->fileDriver->getRealPath($path), $directory)) { to if (0 === strpos($realPath, $directory)) {

Now the new code should be like this:

fix magento 2.2.7 2

Now save changes and refresh your website to see if the blank admin page issue is fixed

How to fix Magento 2 admin page keep loading

Sometimes after fixing the blank admin page issue, you may experience admin page keep loading. You can’t do anything with the loading admin page, even reload the page does not help.

The issue should be like this:

magento 2 admin page keeploading

Cause of the error

This error happens because Magento 2 didn’t finish deploying static view files in production mode.

blank pub static folder

Static view files are can be found in the <magento_root>/pub/static , and some files are cached in the <magento_root>/var/view_preprocessed directory.


To fix this error, we will run a command that forces Magento 2 to deploy static view files

To open CLI interface in Windows, go to your Xampp control panel and click on Shell button.

open shell xamp

Run the following command in Shell interface:

php bin/magento setup:static-content:deploy -f

Wait a few seconds for Magento 2 system to deploy static content.

Sample output:

sample output

Now refresh Magento 2 admin page and the issue should be fixed

proper admin page magento 2

Video tutorial on how to fix admin blank page in Magento 2

If you follow all the steps in my tutorial but still not get the issue fixed then follow this video tutorial.

Wrapping up

Magento 2 is complex and sometimes, errors may not occur in Live environment, but do occur in local environment. It’s crucial to understand the cause of the issues so that we can fix the issues the next time we face them.

I hope this tutorial helps you fix the issue: Blank Magento 2 admin page in local and Magento 2 page keep loading.

If you followed my tutorial but the issue still persists, drop a comment below and I will be happy to help.


Hung Tran is the main editor of, he loves to write about everything related to Magento 2

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