scorp123, you are right! Let me tell you what happened to me since my last post above and this one. Quite a scary experience for me...
As I was not happy with the screen resolution of 1024x768, I wanted it much larger but the that was the max. What made it worse for me was the fact that I'm using an external 17 inch LCD display. A lot of Googling and trawling of forums later I found a suggestion of sorts to install a display driver, and this is where the **** hit the fan.
I did this:
sudo apt-get update
sudo apt-get install linux-restricted-modules-$(uname -r)
sudo apt-get install xorg-driver-fglrx
sudo depmod -a
sudo aticonfig --initial
sudo aticonfig --overlay-type=Xv
Then I edited thexorg.conf file by changing the display driver from "ati" to "fglrx" - BIG MISTAKE, but I did not know it yet!
Section "Device"
Identifier "ATI Technologies, Inc. Radeon Mobility M6 LY [Radeon Mobility 9000]"
Driver "ati"
BusID "PCI:1:0:0"
EndSection
Then a bit lower down the form I noticed there was some entries listing display resolutions looking like this:
Section "Screen"
Identifier "Default Screen"
Device "ATI Technologies, Inc. Radeon Mobility M6 LY [Radeon Mobility 9000]"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1024x768" "800x600" "640x480"
EndSubSection
Here I decided to add the next larger resolution of 1280x1024 so it looked like this:
Section "Screen"
Identifier "Default Screen"
Device "ATI Technologies, Inc. Radeon Mobility M6 LY [Radeon Mobility 9000]"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
I did this with all 6 depths. I then saved and closed all files and then I rebooted. Naturally I got this blue and white with red bordering screen telling me about the X-something not loading and thus no fancy desktop; just a flashing cursor on a black screen. By then i was so annoyed because then it would mean that i have to rebuild the machine again - for the 3rd time in 2 days.
Ah, stuff it; i went downstairs and watched Top Gear on TV and afterwards I came back to see what I can do to salvage what I can as i did not like rebuilding again. (rebuilding a machine is nothing and its fairly quick, its the customisation afterwards that take for ever - loading bookmarks and all the other nitty-gritty things. Anyway, back to Google and forum trawling, until I found something. I know I did 2 changes in total; the driver name and the resolution entries, so I'll correct one at a time and see how it goes.
I then found this line from somewhere:
sudo nano /etc/X11/xorg.conf
but I just got this error 27 (I think) bad command, so I typed reboot and the machine rebooted. Then I pressed escape at to see the boot menu and chose the "safe mode" option (sorry for the Windows terminology

)
This time I was able to get to the xorg.conf file, so I changed "fglrx" back to "ati", pressed the correct keys to save and exit and then rebooted.
If this did not work, then I was going to do the same but delete the extra resolution lines and if that fails - rebuild.
However, this was not the case as the machine booted up and I got the logon screen. What a relief!!!, but it gets better as I now also had a proper screen resolution that I wanted!
Looking back at it all, it would appear that by adding those extra screen resolution entries only, was enough to fix my problem; or something like that...
Well that's my story. Hopefully this might help someone sometime.
To get back to the original post, check out this link:
http://news.bbc.co.uk/1/hi/technology/6288119.stm