Issues after uninstalling and uninstalling NVIDIA graphics card drivers



Since the installation of NVIDIA graphics card driver has been in the loop login interface, password input is correct is not to go, and then decided to uninstall the Nvidia graphics card driver.

First, when you can log in using tty1, use the

$ sudo apt-get autoremove--purge nvidia-*

$ sudo reboot

Then found that the boot can go into the desktop, very happy, the result is to switch to TTY mode is a black screen, in fact, is not a black screen, is due to uninstall the Nvidia driver, screen resolution appeared this problem.

The use of the senior approach, successfully solved the problem. Here's how:

$ sudo vi/etc/default/grub

Grub file grub_cmdline_linux= "" added a parameter, changed to grub_cmdline_linux= "vga=792", 792 for the 1024x768 resolution of the hexadecimal 0x0318 code.

$ sudo update-grub

For finding your own screen VGA parameter code, thank cybertan,http://blog.csdn.net/cybertan/article/details/6550085

VGA parameters for the Linux kernel

In a typical Linux system, if you do not specify the "vga=" parameter, the system will not support the framebuffer device.

The TTY resolution given by default kernel is very limited, and the solution is to pass the VGA parameter to kernel.

1. Setup method under Lilo 　　 lilo:linux vga=318the 1024X768X24BPP mode will be started. The following is the encoding of the common resolution + color

color	640x400	640x480	800x600	1024x768	1280x1024	1600x1200
4bits	?	?	0x302	?	?	?
8bits	0x300	0x301	0x303	0x305	0x307	0x 31C
15bits	?	0x310	0x313	0x316	0x319	0x31d
16bits	? /td>	0x311	0x314	0x317	0x31a	0x31e
24bits	?	0x312	0x315	0x318	0x31b	0x31f
32bits	? /td>	?	?	?	?	?

If you want to set the default to 1024X768X24BPP mode, you can modify the/etc/lilo.conf, add the statement: vga=0x318 and then save the exit, restart. 2. Setting method under Grub 　　is to add the VGA parameter to the kernel of the grub.conf startup list, such as setting the TTY resolution to (800x600x65536)

cat/etc/grub.conf# grub.conf generated by anaconda## Note that you don't have the to rerun grub after making changes to this file# notice:  we have a/boot parti tion.  This means that#          all kernel and INITRD paths is Relative to/boot/, eg.#          root (hd0,0) #           kernel/vmlinuz-version ro root=/dev/sda3#           initrd/initrd-version.img#boot=/dev/sdadefault=0timeout=5splashimage= (hd0,0)/grub/ Splash.xpm.gzhiddenmenutitle Red Hat Enterprise Linux as (2.6.9-22.el)         root (hd0,0)         kernel/vmlinuz-2.6.9-22.el ro root=label=/vga=788         initrd/initrd-2.6.9-22.el.img

The following is a list of common parameters

Linux video=vga16 (640x480x16) <---Default parameters, support for the most common hardware:) vga=769 (640x480x256) vga=771 (800x600x256) vga=788 ( 800x600x65536) vga=773 (1024x768x256) vga=791 (1024x768x65536)

Modified with Zhcon (Http://sourceforge.net/projects/zhcon) or CCE (http://sourceforge.net/projects/cce2k/ ) More perfect.

(Large resolution + Chinese display + chinese input)

The following is a list of all resolutions:

# VESA Framebuffer Console @ 1024x768x64k VGA = 791 # normal VGA console # VGA = normal # VESA framebuffer Console @ 1024x 768x64k # vga=791 # VESA Framebuffer console @ 1024x768x32k # vga=790 # VESA Framebuffer console @ 1024x768x256 # vga=773 # VESA Framebuffer Console @ 800x600x64k # vga=788 # VESA Framebuffer console @ 800x600x32k # vga=787 # VESA Framebuffer C  Onsole @ 800x600x256 # vga=771 # VESA Framebuffer console @ 640x480x64k # vga=785 # VESA framebuffer Console @ 640x480x32k # vga=784 # VESA framebuffer console @ 640x480x256 # vga=769

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Issues after uninstalling and uninstalling NVIDIA graphics card drivers