修改/etc/grub.conf文件
将该文件中以kernel开头的一行行尾添加vga=ask
或者以如下数值代替ask
##################################################################
color 640x480 800x600 1024x768 1280x1024
256 769 771 773 775
32000 784 787 790 793
65000 785 788 791 794
16.4M 786 789 792 79
例：
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You do not have a /boot partition. This means that
# all kernel and initrd paths are relative to /, eg.
# root (hd0,0)
# kernel /boot/vmlinuz-version ro root=/dev/sda1
# initrd /boot/initrd-version.img
#boot=/dev/sda
default=0
timeout=10
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
title Red Hat Linux (2.4.20-8)
root (hd0,0)
kernel /boot/vmlinuz-2.4.20-8 ro root=LABEL=/ vga=791
initrd /boot/initrd-2.4.20-8.img
本文转自zcm8483 51CTO博客，原文链接:http://blog.51cto.com/haolun/993100
