求助！无法进入游戏！

fc860131

求助!游戏安装后出现
Mods loaded: 1
ModLoader 1.2.5

      Bad video card drivers!      
      -----------------------      

Minecraft was unable to start because it failed to find an accelerated OpenGL mode.
This can usually be fixed by updating the video card drivers.



--- BEGIN ERROR REPORT 274cdf2f --------
Generated 12-7-21 下午7:31

Minecraft: Minecraft 1.2.5
OS: Windows XP (x86) version 5.1
Java: 1.7.0_05, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
[failed to get system properties (java.lang.NullPointerException)]

org.lwjgl.LWJGLException: Pixel format not accelerated
        at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
        at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
        at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:185)
        at org.lwjgl.opengl.Display.createWindow(Display.java:311)
        at org.lwjgl.opengl.Display.create(Display.java:856)
        at org.lwjgl.opengl.Display.create(Display.java:784)
        at org.lwjgl.opengl.Display.create(Display.java:765)
        at net.minecraft.client.Minecraft.a(SourceFile:236)
        at net.minecraft.client.Minecraft.run(SourceFile:657)
        at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 640141e2 ----------


JAVA7装了，请问是什么毛病啊~~~~~