所有软件全部都更新到最新的了。
CPU T7250
GPU Geforce 8600M GT 256M
只要打开3D效果，选择那个要版权的驱动，重启后，就会感觉很卡。
以前用ibm T42 ＋ ati 显卡的时候，感觉3D就很流畅。那个显卡和现在的nvidia 8600显然不是一个档次的。
结果现在3D很卡，每次在firefox里面切换tab的时候，都可以看到xorg把一个cpu占满了达3妙钟左右。
程序窗口最大化最小化的 时候也非常明显。
谢谢！
xorg.conf ：
代码： 全选
# xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by failsafeDexconf, using
# values from the debconf database and some overrides to use vesa mode.
#
# You should use dexconf or another such tool for creating a "real" xorg.conf
# For example:
# sudo dpkg-reconfigure -phigh xserver-xorg
Section "Files"
EndSection
Section "Module"
Load "xv"
Load "glx"
Load "v4l"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ImPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "true"
EndSection
Section "InputDevice"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "SendCoreEvents" "true"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "HorizScrollDelta" "0"
EndSection
Section "Device"
Identifier "Failsafe Device"
Boardname "vesa"
Busid "PCI:1:0:0"
Driver "nvidia"
Screen 0
EndSection
Section "Monitor"
Identifier "Failsafe Monitor"
Vendorname "Generic LCD Display"
Modelname "LCD Panel 1280x800"
Horizsync 31.5-50.0
Vertrefresh 56.0 - 65.0
modeline "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
modeline "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
modeline "1280x768@60" 80.14 1280 1344 1480 1680 768 769 772 795 -hsync +vsync
modeline "1280x720@60" 74.48 1280 1336 1472 1664 720 721 724 746 -hsync +vsync
modeline "1280x800@60" 83.46 1280 1344 1480 1680 800 801 804 828 -hsync +vsync
Gamma 1.0
EndSection
Section "Screen"
Identifier "Default Screen"
Device "Failsafe Device"
Monitor "Failsafe Monitor"
Defaultdepth 24
SubSection "Display"
Depth 24
Virtual 1280 800
# Modes "1280x800@60" "1280x720@60" "1280x768@60" "800x600@60" "800x600@56"
Modes "1280x800@51"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
screen 0 "Default Screen" 0 0
Inputdevice "Generic Keyboard"
Inputdevice "Configured Mouse"
Inputdevice "Synaptics Touchpad"
EndSection
Section "device" #
Identifier "device1"
Boardname "vesa"
Busid "PCI:1:0:0"
Driver "nvidia"
Screen 1
EndSection
Section "screen" #
Identifier "screen1"
Device "device1"
Defaultdepth 24
Monitor "monitor1"
SubSection "Display"
Depth 24
# Modes "1280x800@60" "1280x720@60" "1280x768@60" "800x600@60" "800x600@56"
Modes "1280x800@51"
EndSubSection
EndSection
Section "monitor" #
Identifier "monitor1"
Vendorname "Generic LCD Display"
Modelname "LCD Panel 1280x800"
Horizsync 31.5-50.0
Vertrefresh 56.0 - 65.0
# modeline "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
# modeline "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
# modeline "1280x768@60" 80.14 1280 1344 1480 1680 768 769 772 795 -hsync +vsync
# modeline "1280x720@60" 74.48 1280 1336 1472 1664 720 721 724 746 -hsync +vsync
modeline "1280x800@51" 83.46 1280 1344 1480 1680 800 801 804 828 -hsync +vsync
# modeline "1280x800@60" 83.46 1280 1344 1480 1680 800 801 804 828 -hsync +vsync
Gamma 1.0
EndSection
Section "ServerFlags"
EndSection
