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Sony VAIO PCG-748 - Setup the Screen Resolution on Xubuntu 6.1

After unsuccessfully installing Ubuntu 6.06 LTS and Ubuntu 7.04, I decided to install Xubuntu 6.1. The installation wasn't very difficult and succeeded the first time. But during boot, the screen was so dark, I couldn't see anything. The screen returned to normal at log-in, but the resolution was 800x600, far from the optimal 1024x768 that the LCD supports.

First thing first, to let Xubuntu 6.1 use 1024x768, change "DefaultDepth 24" in "/etc/X11/xorg.conf" to "DefaultDepth 16". The NeoMagic graphics card just don't have enough memory to run with more colors.

Next, to fix the boot up display, edit the "/boot/grub/menu.lst" file. Append "vga=791" to the first occurrence of the following line:

kernel /boot/vmlinuz-2.6.17-10-generic root=/dev/hda1 ro quiet splash

The boot up screen still seems a little dark. But now I can at least see the logo. Reducing the color depth works wonderfully. The fonts are now nice and crisp.

Chieh Cheng
Thu, 17 May 2007 16:53:22 -0700

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