Games : MINECRAFT WILL NOT WORK

This is what comes up when I'm trying to get into the game, everything i try fails and idk what to to now.

[04:02:10] [Client thread/INFO]: Setting user: samiyatsula
[04:02:10] [Client thread/INFO]: (Session ID is token:379db225b8284a54a030f4ee062b8d32:e11742214612404eb77a4ad626405e75)
[04:02:18] [Client thread/INFO]: LWJGL Version: 2.9.4
[04:02:19] [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 avf.ap(SourceFile:521) [1.8.3.jar:?]
at avf.am(SourceFile:363) [1.8.3.jar:?]
at avf.a(SourceFile:310) [1.8.3.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:124) [1.8.3.jar:?]

---- Minecraft Crash Report ---- // Don't be sad, have a hug! <3

Time: 4/4/15 4:02 AM 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 avf.ap(SourceFile:534)
at avf.am(SourceFile:363)
at avf.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 avf.ap(SourceFile:534)
at avf.am(SourceFile:363)

-- Initialization --

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

-- System Details -- Details: Minecraft Version: 1.8.3 Operating System: Windows 8.1 (amd64) version 6.3 CPU: 2x Pentium(R) Dual-Core CPU T4500 @ 2.30GHz Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 60408200 bytes (57 MB) / 161026048 bytes (153 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: 1.8.3 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)

@!@# Game crashed! Crash report saved to: #@!@# C:\Users\Barbara\AppData\Roaming.minecraft\crash-reports\crash-2015-04-04_04.02.20-client.txt

[04:02:20] [Client Shutdown Thread/INFO]: Stopping server
2015-04-04 04:02:20,568 ERROR Unable to write to stream logs/latest.log for appender File
2015-04-04 04:02:20,570 ERROR An exception occurred processing Appender File org.apache.logging.log4j.core.appender.AppenderLoggingException: Error writing to RandomAccessFile logs/latest.log
at org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.flush(RollingRandomAccessFileManager.java:109)
at org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.write(RollingRandomAccessFileManager.java:90)
at org.apache.logging.log4j.core.appender.OutputStreamManager.write(OutputStreamManager.java:129)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:113)
at org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender.append(RollingRandomAccessFileAppender.java:96)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:99)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:425)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:367)
at org.apache.logging.log4j.core.Logger.log(Logger.java:110)
at org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1011)
at net.minecraft.server.MinecraftServer.s(SourceFile:374)
at bpp.s(SourceFile:310)
at avf.H(SourceFile:2515)
at net.minecraft.client.main.Main$2.run(SourceFile:117)
Caused by: java.io.IOException: Stream Closed
at java.io.RandomAccessFile.writeBytes(Native Method)
at java.io.RandomAccessFile.write(RandomAccessFile.java:508)
at org.apache.logging.log4j.core.appender.rolling.RollingRandomAccessFileManager.flush(RollingRandomAccessFileManager.java:106)
... 14 more

2015-04-04 04:02:20,583 ERROR Attempted to append to non-started appender    ServerGuiConsole
Exception in thread "Client Shutdown Thread" org.apache.logging.log4j.core.appender.AppenderLoggingException: Attempted to append to non-started appender ServerGuiConsole
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:425)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:367)
at org.apache.logging.log4j.core.Logger.log(Logger.java:110)
at org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1011)
at net.minecraft.server.MinecraftServer.s(SourceFile:374)
at bpp.s(SourceFile:310)
at avf.H(SourceFile:2515)
at net.minecraft.client.main.Main$2.run(SourceFileJava HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release