Minecraft bug au lancement

 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 7fe0271 --------
Generated 25/08/11 19:05

Minecraft: Minecraft Beta 1.7.3
OS: Windows XP (x86) version 5.1
Java: 1.6.0_26, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
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:294)
	at net.minecraft.client.Minecraft.run(SourceFile:716)
	at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 9b9824f4 ----------