Problème Minecraft HELP

J'ai un nouveau pc, avec Java 7 et voici ce que Minecraft m'affiche lorsque j'essaye de le démarrer :

[16:41:33] [Client thread/INFO]: Setting user: Axel6237
[16:41:33] [Client thread/INFO]: (Session ID is token: :3a3b0b199f373f29bced93cf0aaf615b)
[16:41:36] [Client thread/INFO]: LWJGL Version: 2.9.4
[16:41:36] [Client thread/ERROR]: Couldn't set pixel format
org.lwjgl.LWJGLException: Pixel format not accelerated
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.Display.createWindow(Display.java:306) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.Display.create(Display.java:848) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at org.lwjgl.opengl.Display.create(Display.java:757) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
at ave.ap(SourceFile:521) [1.8.9.jar:?]
at ave.am(SourceFile:363) [1.8.9.jar:?]
at ave.a(SourceFile:310) [1.8.9.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [1.8.9.jar:?]
---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 14/01/16 16:41
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:247)
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 ave.ap(SourceFile:534)
at ave.am(SourceFile:363)
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)


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:247)
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 ave.ap(SourceFile:534)
at ave.am(SourceFile:363)

-- Initialization --
Details:
Stacktrace:
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
Minecraft Version: 1.8.9
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_40, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 87222800 bytes (83 MB) / 154673152 bytes (147 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.9
LWJGL: 2.9.4
OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
GL Caps:
Using VBOs: No
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)
CPU: <unknown>
#@!@# Game crashed! Crash report saved to: #@!@# C:\Users\utilisateur\AppData\Roaming\.minecraft\crash-reports\crash-2016-01-14_16.41.37-client.txt