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***Unmodified Client***
After launching Minecraft, the Mojang screen pops up for a few seconds then Minecraft closes and goes back to the launcher. I have tried updating my graphics driver and everything. I never had this problem until just this morning. After checking my crash reports folder, this is what it showed(In spoiler tab)... I assume it is an openGL problem, but I have never had this problem occur before... Btw this is my graphics card: Mobile Intel 965 Express Chipset


[spoiler]
---- Minecraft Crash Report ----
// There are four lights!

Time: 2/13/14 7:32 PM
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 azi.ad(SourceFile:325)
at azi.f(SourceFile:696)
at net.minecraft.client.main.Main.main(SourceFile:152)


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 azi.ad(SourceFile:325)

-- Initialization --
Details:
Stacktrace:
at azi.f(SourceFile:696)
at net.minecraft.client.main.Main.main(SourceFile:152)

-- System Details --
Details:
Minecraft Version: 1.7.4
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: Java HotSpot™ Client VM (mixed mode, sharing), Oracle Corporation
Memory: 5406128 bytes (5 MB) / 26808320 bytes (25 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
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: 1.7.4
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: ~~ERROR~~ NullPointerException: null
Anisotropic Filtering: Off (1)
[/spoiler]

I believe i messed up on the spoiler thing. this is my first time posting. sorry

That cant be the problem though. It was working flawlessly around 30 fps yesterday. I had to re install Minecraft then this problem occurs

Quote from jake39786

...

Hi,

Download and install: https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=18223&keyword=Mobile Intel® 965 Express Chipset Family&lang=eng

Then see: http://hopper.minecraft.net/help/references/intel-4-series-chipsets/

Keep in mind that you have a very old graphics card, so the game will not run well if at all.