Blank screen and cannot switch to text console

[Czubek]

Hi all.
I have problem.

I installed Ubuntu 8.04 hardy heron from alternate cd. Everything was ok.
But after first reboot after installation it stopped on blank screen.

Step-by-step:
1. power on;
2. grub, selecting "Ubuntu 8.04, kernel 2.6.24-16-generic";
3. system is starting, ubuntu logo with loading progress bar;
4. when progress bar is about 99% complete, screen blink;
5. for about 2-3 seconds blinking "_";
6. black blank screen;

7. cannot switch to text console with ctrl+alt+f1
7a. i guess i have switched to text console because even i'm not seeing anything i log in like blind and when i press ctrl+alt+del, after some time ubuntu shutting down progress bar appears and it's going to 0%

I'm using ubuntu since 5.04 and i have the same problem on 7.10 but i haven't solved it and i was still using 7.04 :/

My hardware:
Toshiba satellite 1800-554 laptop:
-celeron 1 ghz;
-2x 256 sdram;
-vga compatible controller: Trident Microsystems CyberBlade/i1 (rev 5d)
-lcd 14.1

Thanks.

[liyu]

it seem that your X window failed to startup. I think you can try to use resuce mode in installation CD to enter system for changing X disaplay adapter to vesa? (in /etc/X11/xorg.conf)

[Czubek]

I think you can try to use resuce mode in installation CD to enter system for changing X disaplay adapter to vesa? (in /etc/X11/xorg.conf)

I'm not sure of which part of xorg.conf you are talking about. This is my xorg.conf:

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"pl"
	Option		"XkbOptions"	"lv3:ralt_switch"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
EndSection

Section "InputDevice"
	Identifier	"Synaptics Touchpad"
	Driver		"synaptics"
	Option		"SendCoreEvents"	"true"
	Option		"Device"		"/dev/psaux"
	Option		"Protocol"		"auto-dev"
	Option		"HorizEdgeScroll"	"0"
EndSection

Section "Device"
	Identifier	"Configured Video Device"
EndSection

Section "Monitor"
	Identifier	"Configured Monitor"
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Monitor		"Configured Monitor"
	Device		"Configured Video Device"
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Synaptics Touchpad"
EndSection

[claudio64]

Hi,

I manage to access the console chosing "safe mode" in the boot menu.

Then I log as root and edit xorg.conf using vim.

At end of "Section Screen" I included:
SubSection "Display"
Modes "1024x768" "800x600"
EndSubSection.

Good luck!
Claudio H

[Czubek]

At end of "Section Screen" I included:
SubSection "Display"
Modes "1024x768" "800x600"
EndSubSection.

Thanks but it doesn't help me.

Now my xorg.conf looks like:

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"pl"
	Option		"XkbOptions"	"lv3:ralt_switch"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
EndSection

Section "InputDevice"
	Identifier	"Synaptics Touchpad"
	Driver		"synaptics"
	Option		"SendCoreEvents"	"true"
	Option		"Device"		"/dev/psaux"
	Option		"Protocol"		"auto-dev"
	Option		"HorizEdgeScroll"	"0"
EndSection

Section "Device"
	Identifier	"Configured Video Device"
EndSection

Section "Monitor"
	Identifier	"Configured Monitor"
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Monitor		"Configured Monitor"
	Device		"Configured Video Device"
	SubSection	"Display"
		Modes	"1024x768" "800x600"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Synaptics Touchpad"
EndSection

[LeDieu]

I have the exact same problem. Only this problem occurs at the boot of the live cd. So i cant even install (k)ubuntu.
Is there for this problem a solution yet?

[Czubek]

I also tryied this: http://www.backports.ubuntuforums.or...1&postcount=15
but it wasn't help

[LeDieu]

For me this topic was the solution.
I hope it will work for you all to.

http://ubuntuforums.org/showthread.php?t=766372

[Czubek]

I also tryied this: http://www.backports.ubuntuforums.or...1&postcount=15
but it wasn't help

After that it was even worse, so I had to go before those modifications

For me this topic was the solution.
I hope it will work for you all to.

http://ubuntuforums.org/showthread.php?t=766372

It will not work for me cause I dont have ati card

[erginemr]

What bothers me about your xorg.conf file is that you don't have a "screendepth" line anywhere. There should have been lines like this:

Section "Screen"
	Identifier	"Default Screen"
	Monitor		"Configured Monitor"
	Device		"Configured Video Device"
	DefaultDepth	24
	SubSection	"Display"
                Depth	24
		Modes	"1024x768" "800x600"
	EndSubSection
EndSection

Can you please try these as well?

You can also try backing up your current xorg.conf file and then run:

sudo dpkg-reconfigure -phigh xserver-xorg

all the while in the "recovery mode".