What to do if ubuntu logs in cyclically and cannot enter the desktop

Problem:

Due to a problem with the graphics card driver, the system prompts to log in and cannot enter the desktop.

Solution:

We just need to reinstall the driver.

Specific steps:

1. Press the ctrl alt f1 shortcut key on the login interface to enter the tty console, enter the user name and password, and press Enter to log in;

2. Follow this sequence Execute the following command

sudo apt-get update
sudo apt-get upgrade

3. After executing the above command, you can install the graphics card driver. After the graphics card driver installation is completed, you can enter the desktop.

Recommended tutorial: linux tutorial

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