Erreur Minecraft sur Windows 8 [Help]

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 02/05/14 11:15
Description: Initializing game

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:252)
	at org.lwjgl.opengl.Display.createWindow(Display.java:306)
	at org.lwjgl.opengl.Display.create(Display.java:848)
	at org.lwjgl.opengl.Display.create(Display.java:757)
	at org.lwjgl.opengl.Display.create(Display.java:739)
	at ban.ag(SourceFile:340)
	at ban.f(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:148)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	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:252)
	at org.lwjgl.opengl.Display.createWindow(Display.java:306)
	at org.lwjgl.opengl.Display.create(Display.java:848)
	at org.lwjgl.opengl.Display.create(Display.java:757)
	at org.lwjgl.opengl.Display.create(Display.java:739)
	at ban.ag(SourceFile:340)

-- Initialization --
Details:
Stacktrace:
	at ban.f(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:148)

-- System Details --
Details:
	Minecraft Version: 1.7.9
	Operating System: Windows 8 (x86) version 6.2
	Java Version: 1.7.0_55, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 3701720 bytes (3 MB) / 26808320 bytes (25 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.7.9
	LWJGL: 2.9.1
	OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	GL Caps: 
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: ~~ERROR~~ NullPointerException: null
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)