在你的$HOME目录建立一个文件.xinitrc 内容如下(有就修改,先做备份)
#!/bin/sh
# Begin ~/.xinitrc
export GDK_USE_XFT="0"
export PATH="/usr/local/bin:/usr/local/sbin:$PATH"
export LD_LIBRARY_PATH="/usr/local/lib:$LD_LIBRARY_PATH"
export GNOME_PATH="/usr/local:$GNOME_PATH"
exec /usr/local/bin/gnome-session
# End ~/.xinitrc