마인크래프트 에러를 발견해서 썻는데요. 일단 .minecraft 폴더도 지워봤습니다...... 물론 안되고요, 그래서 제가 뭐땜인지 알기위해 여기 올릴게용.

참고로 모드는 안깔았어요

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 16. 12. 9 오후 6:38
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 beq.ap(SourceFile:597)
 at beq.an(SourceFile:433)
 at beq.a(SourceFile:380)
 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 --
Thread: Client thread
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 beq.ap(SourceFile:597)
 at beq.an(SourceFile:433)

-- Initialization --
Details:
Stacktrace:
 at beq.a(SourceFile:380)
 at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
 Minecraft Version: 1.11
 Operating System: Windows 7 (amd64) version 6.1
 Java Version: 1.8.0_25, Oracle Corporation
 Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
 Memory: 153916640 bytes (146 MB) / 255066112 bytes (243 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: 1.11
 LWJGL: 2.9.4
 OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
 GL Caps:
 Using VBOs: Yes
 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>  

지금 이렇게뜨는데 어떻게 해야할까요?