Miért nem indul a minecraft?

Elindítom, és ezt írja ki: Bad video card drivers!

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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 7fe0271 --------

Generated 2012.05.12. 23:27

Minecraft: Minecraft 1.2.4

OS: Windows 7 (x86) version 6.1

Java: 1.7.0_04, 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:230)

at net.minecraft.client.Minecraft.run(SourceFile:650)

at java.lang.Thread.run(Unknown Source)

--- END ERROR REPORT de6ebbeb ----------

Mi baja lehet?