我的电脑常常突然蓝屏，不知道是什么原因。附上dump文件，不懂怎么分析，请高手帮忙分析下。

dump文件内容：

Microsoft (R) Windows Debugger Version 6.12.0002.633 X86
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Users\Lenovo\Desktop\022812-20529-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: *** Invalid ***
****************************************************************************
* Symbol loading may be unreliable without a symbol search path.           *
* Use .symfix to have the debugger choose a symbol path.                   *
* After setting your symbol path, use .reload to refresh symbol locations. *
****************************************************************************
Executable search path is:
*********************************************************************
* Symbols can not be loaded because symbol path is not initialized. *
*                                                                   *
* The Symbol Path can be set by:                                    *
*   using the _NT_SYMBOL_PATH environment variable.                 *
*   using the -y <symbol_path> argument when starting the debugger. *
*   using .sympath and .sympath+                                    *
*********************************************************************
Unable to load image \SystemRoot\system32\ntkrnlpa.exe, Win32 error 0n2
*** WARNING: Unable to verify timestamp for ntkrnlpa.exe
*** ERROR: Module load completed but symbols could not be loaded for ntkrnlpa.exe
Windows 7 Kernel Version 7601 (Service Pack 1) MP (2 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 7601.17713.x86fre.win7sp1_gdr.111025-1505
Machine Name:
Kernel base = 0x84c0b000 PsLoadedModuleList = 0x84d544d0
Debug session time: Tue Feb 28 17:56:22.954 2012 (UTC + 8:00)
System Uptime: 0 days 0:09:08.593
*********************************************************************
* Symbols can not be loaded because symbol path is not initialized. *
*                                                                   *
* The Symbol Path can be set by:                                    *
*   using the _NT_SYMBOL_PATH environment variable.                 *
*   using the -y <symbol_path> argument when starting the debugger. *
*   using .sympath and .sympath+                                    *
*********************************************************************
Unable to load image \SystemRoot\system32\ntkrnlpa.exe, Win32 error 0n2
*** WARNING: Unable to verify timestamp for ntkrnlpa.exe
*** ERROR: Module load completed but symbols could not be loaded for ntkrnlpa.exe
Loading Kernel Symbols
...............................................................
................................................................
.......................................................
Loading User Symbols
Loading unloaded module list
.....

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上传的附件：

• dump文件.rar （29.62kb，1次下载）