[SOLVED] Ubuntu 9.04 display problems

[mrs1179]

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I have verified everything to be as you instructed. I cut and pasted your code directly from the web page. I went into the log file to see a more descriptive error message:
(==) Log file: "/var/log/Xorg.0.log", Time: Sat May 16 08:51:33 2009
(==) Using config file : "/etc/X11/xorg.conf"
Data incomplete in file : /etc/X11/xorg.conf
Undefined InputDevice "Generic Keyboard" referenced by ServerLayout "Default Layout".
(EE) Problem parsing the config file
(EE) Error parsing the config file

Fatal server error:
no screens found

Please consult the The.X.Org Foundation support at http:/wiki.x.org for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional information.

(WW) xf86CloseConsole: KDSETMODE failed: Bad file descriptor
(WW) xf86CloseConsole: VT_GETMODE failed: Bad file descriptor
(WW) xf86OpenConsole: VTGETSTATE failed: Bad file descriptor
ddxSigGiveUp: Closing log

[devils casper]

Add code for Keyboard and Mouse too.
Add InputDevice "Configured Mouse" in last section.

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"us"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
	Option		"ZAxisMapping"		"4 5"
	Option		"Emulate3Buttons"	"true"
EndSection

Section "Device"
	Identifier	"Generic Card"
	Driver		"vesa"
EndSection

Section "Monitor"
	Identifier	"Generic Monitor"
	Option		"DPMS"
	HorizSync	30-71
	VertRefresh	50-160
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"Generic Card"
	Monitor		"Generic Monitor"
	DefaultDepth	24
	SubSection "Display"
		Depth		24
		Modes		"1280x1024" "1024x768" 
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	        "Default Layout"
	Screen		"Default Screen"
	InputDevice	"Generic Keyboard"
	InputDevice	"Configured Mouse"
EndSection

[mrs1179]

Now I boot up normally and the display appears to be working now. I have opened several applications at the same time and have resized windows and moved them across other windows. I can see the back windows being refreshed over the part where the top window moved across.

I really appreciate your help with this. Is there any documentation available that would give the proper settings for xorg.conf for different hardware? I would like to learn how to resolve such issues in case I install Linux on another PC.