After installing Ubuntu 9.04 on my old Acer Travelmate 61x series, I realized that the LCD screen was not properly recognized: the maximum usable resolution was in fact only 800 × 600.
After numerous searches on forums and various attempts I ran into the right solution for my problem: manually edit the file "/ etc/X11/xorg.conf" to properly configure the monitor unknown.
Here is a copy of my modified file and running:
Section "Device"
Identifier "Configured Video Device"
EndSectionSection "Monitor"
Identifier "Configured Monitor"
HorizSync 31.5 - 50.0
VertRefresh 40-90
EndSectionSection "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
DefaultDepth 24
Subsection "Display"
Depth 16
Modes "1024 × 768" "800 × 600" "640 × 480"
EndSubsection
Subsection "Display"
Depth 24
Modes "1024 × 768" "800 × 600" "640 × 480"
EndSubsection
EndSection
E 'should make a copy of the original file for safekeeping. You can still resolve any malfunctions launching the utility "xfix" after booting Ubuntu in "recovery mode".















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