Quickly solve the difficult problem of a black screen after Ubuntu starts. Specific code examples are needed
In the process of using Ubuntu, sometimes you will encounter a black screen after startup. Problem, this will prevent users from entering the desktop environment normally, causing trouble in use. This article will introduce some common problems that cause black screens and corresponding solutions, and provide specific code examples to help readers solve this difficult problem faster.
-
Graphics driver issues
Graphics driver issues are a common cause of a black screen. When the system fails to load or correctly install the graphics card driver, a black screen will appear. This problem may occur if you choose to use a closed-source graphics driver when installing Ubuntu.
Solution: First, enter Recovery Mode. After pressing the computer power-on button, press the "shift" key on the Grub boot interface, and then select to enter recovery mode. Then, enter the following command on the command line to reinstall the graphics card driver:
sudo apt-get purge nvidia* sudo add-apt-repository ppa:graphics-drivers sudo apt-get update sudo apt-get install nvidia-driver-<version>
where
<version></version>
is the version number of the driver you want to install. After the installation is complete, just restart your computer. -
Kernel upgrade problem
Sometimes, when you upgrade the Ubuntu kernel version, a black screen problem will occur. This may be caused by the new version of the kernel being incompatible with your hardware.
Solution: Similarly, after entering recovery mode, enter the following command at the command line to downgrade your kernel version:
sudo apt-get install linux-image-<version> sudo apt-get autoremove sudo reboot
where
<version></version>
is you The kernel version number to downgrade. After the downgrade is completed, just restart the computer. -
Monitor settings issues
Sometimes, the black screen problem may be caused by incorrect monitor settings.
Solution: Similarly, after entering recovery mode, enter the following command at the command line to modify the monitor settings:
sudo vi /etc/default/grub
Find the following line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
Modify it to:
GRUB_CMDLINE_LINUX_DEFAULT="nomodeset"
Save the file and exit the vi editor, then execute the following command to update Grub:
sudo update-grub
Finally, restart the computer.
-
Other Possible Problems
If none of the above solutions work, then other problems may be causing the black screen. This may include hardware failures, software conflicts, etc. This requires further debugging and troubleshooting.
Solution: First, try to reinstall the Ubuntu system to ensure that the system files are not damaged. Secondly, check the system log file (
/var/log/syslog
) and Xorg log file (/var/log/Xorg.0.log
) for error messages to find possible instruct. Finally, consider contacting the Ubuntu community or professional technical support for help.
Summary:
The black screen problem is a common problem you may encounter when using Ubuntu. This article introduces common problems that cause black screens and corresponding solutions, and provides specific code examples. I hope this information can help readers quickly solve the black screen problem and make the use of Ubuntu smoother.
The above is the detailed content of A quick solution to the black screen problem after Ubuntu starts. For more information, please follow other related articles on the PHP Chinese website!

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