toshiba laptop problems black screen

'echo 500 > /sys/class/backlight/intel_backlight/brightness' > /etc/rc.localsudo reboot ..In addition, because Bumblebee does not support the latest Ubuntu 12.04 kernel, some systems will not be able to start on a black screen after it is installed. When xwindows fails, the solution is to uninstall all nivdia-related files and Bumblebee. sudo apt-get remove nvidia-* sudo apt-get remove bumblebee sudo apt-g

The most common key hardware that can cause black screen is power supply, liquid crystal display, memory, hard disk, motherboard, etc. This requires us to one by one exclusions. Because the notebook is more sophisticated, disassembly more complex, the general do-it-yourself are more difficult, but we can first find out the reasons for the maintenance can save a lot of money or feel more simple to repair the

First, the notebook computer boot black screen reason Notebook black screen for a number of reasons, common black screen reasons are: 1, display data line contact bad; 2, graphics card contact bad or; 3. Bad CPU contact and ov

Solve the problem that the black screen cannot be awakened after the laptop CentOS7 is merged Enable and modify/etc/system/logind. conf HandleLidSwitch = lock Save and run the systemctl restart systemd-logind command to take effect immediately. Refer: Power Management (Simplified Chinese) Systemd can handle some power supply-related ACPI events./etc/systemd/logi

Black screen after CentOS7 combination on laptop but not sleep modeCentOS 7 is built with a black screen, but does not enter sleep mode. Modify systemd to handle some power-related ACPI events. You can configure it by using the following options from/etc/system/logind. conf:

A problem occurred when centos5.4 was installed a few days ago and was recorded to facilitate query by other persons who may encounter this problem. I want to install centos5.4 in the "Install Bird brother" Book (5.3 In the "Bird brother" book, I can only find 5.4 ). I engraved it first.I thought it was a problem when I installed a CD, And I carved another one. It is still an old problem. I thought it was a problem with my optical drive and made another USB flash drive. I didn't expect the

I installed the operating system of red flag. Black screen after connecting Vnccserver• Check that the system has VNC installed#rpm-Q VNC• Solutions:1. Modify the configuration file/root/.vnc/xstartupNote: Some system configuration has –nolisten TCP and –NOHTTPD, these two are blocked Xwindows Landing and HTTP mode VNC landing, if you need a graphical interface, then delete this partIf you are using the GNO