CI Framework Connection Database issues

The code to read the news in the CI tutorial cannot run the display error (database.php is already configured)
A PHP Error was encountered

Severity:warning

Message:mysqli::real_connect (): (hy000/1045): Access denied for user ' root ' @ ' localhost ' (using Password:yes)

filename:mysqli/mysqli_driver.php

Line number:202

BackTrace:

file:d:\php\vc14\apache24\htdocs\ci\application\models\news_model.php
Line:5
Function:database

file:d:\php\vc14\apache24\htdocs\ci\application\controllers\news.php
Line:5
Function:model

file:d:\php\vc14\apache24\htdocs\ci\index.php
line:292
Function:require_once

A Database Error occurred

Unable to connect to your database server using the provided settings.

filename:core/loader.php

Line number:353

Reply content:

The code to read the news in the CI tutorial cannot run the display error (database.php is already configured)
A PHP Error was encountered

Severity:warning

Message:mysqli::real_connect (): (hy000/1045): Access denied for user ' root ' @ ' localhost ' (using Password:yes)

filename:mysqli/mysqli_driver.php

Line number:202

BackTrace:

file:d:\php\vc14\apache24\htdocs\ci\application\models\news_model.php
Line:5
Function:database

file:d:\php\vc14\apache24\htdocs\ci\application\controllers\news.php
Line:5
Function:model

file:d:\php\vc14\apache24\htdocs\ci\index.php
line:292
Function:require_once

A Database Error occurred

Unable to connect to your database server using the provided settings.

filename:core/loader.php

Line number:353

The password or the account number is wrong.

Database.php in the configuration to change localhost 127.0.0.1 try.

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