How to install Ubuntu 12.10 black screen on HP450

I. software and hardware environment:

Notebook model: HP450 C0S18PA

Operating System Model: Ubuntu 12.10

Ii. Black screen

1. Black screen

Solution: Press F6 when the computer is started, and select the first acpi = off in the small window that appears in the lower right corner (Press Enter first, and then press Esc to make the window disappear ). Then select the second item "Install Ubuntu" in the center of the screen"

2. A black screen is displayed when the system is restarted.

Solution: On the grub interface, select the Ubuntu option and press "e" to enter the editing status. Find "linux/boot/vmlinuz -...... (Omitted in the middle )...... Ro quiet splash ......" In this line, enter an empty cell after the word splash, enter acpi = off, and press Ctrl + X or F10 to enter the Ubuntu boot screen.

(In a dual system, the grub interface is the first interface that appears after the restart. This interface contains a list of different operating systems, such as Ubuntu and Windows 7. The following text is displayed at the bottom of the interface: press e to enter the editing mode ......)

To avoid repeated operations after ubuntu is started, you can press alt + F2 to display a pop-up window, and enter gnome-terminal in the window, the terminal is displayed. Enter sudo gedit/boot/grub. cfg in the terminal, press enter and enter the correct password. The grub. cfg file will be opened.

Find the code between ### BEGIN/etc/grub. d/10_linux ###and ### END/etc/grub. d/10_linux ### in this file. In the code, there is a line under menu entry 'ubuntu '-- class Ubuntu -- class gnu-linux...

Linux/boot/vmlinuz-3.5.0-17-generic root = UUID = 2e09dfd5-54f0-4dc7-89ce-c6bfeef71198 ro quiet splash $ vt_handoff

Change this row

Linux/boot/vmlinuz-3.5.0-17-generic root = UUID = 2e09dfd5-54f0-4dc7-89ce-c6bfeef71198 ro quiet splash acpi = off $ vt_handoff

After saving the file, you can start Ubuntu every time!