BSOD Closed

Question

Hello, 

My pc is showing BSOD while i'm doing  a normal activity in my pc, it shows up after a while that my pc has turned on. The BSOD code is different 4A or 3B. 

Can some one help my!

xpcman · Answer

These codes are not very informative.  I suggest you test the memory cards since failed/failing memory is one of the frequent causes of BSOD.

Good Luck

Kamon358 · Answer

I did a memory test with MEMTEST86 and it showed some errors but i dont know the  meaning of them, so i wrote the content from the test witch is below:

 
Memtest86 v4.3.6  Intel Core i5-2400 @ 3.10GHz

CPU Clk : 3110 MHZ : Pass100% ##################
L1 Cache: 64K  87276 MB/s: Test100% ##################
L2 Cache: 256K 46249 MB/s: Test #7 [Moveing inversions, 32 bit pattern]
L3 Cache: 6144K 28503 MB/s: Testing: 6144M - 8192M   2048 of 8173M
Memory  : 8173M 15859 MB/s: Patern 00000001

-----------------------------------------------------------------------------------

CPU:   0123    :CPUs_Found:    4 Cpu_Mask: ffffffff
State: WWW\      :CPUs_Started:  4 Cpus_Active:     1

------------------------------------------------------------------------------------

Time 0:31:44 Iterations:  1    AdrsMode:64Bit   Pass:   0    Errors:   940

Error Confidence Value: 154                    
Lowest Error Address: 0021cad2004 - 8650.8MB      
Highest Error Address: 0021cad3fbc - 8950.8MB     
   Bits in Error Mask: 00040000               
Bits in Error - Total: 1  Min: 1   Max: 1   Avg:1                    
Max Contiguous Errors: 8                       
                                         
  Test      Errors
     0             0
     1             0
     2             0
     3             9 
     4             0
     5             0
     6             0
     7           931
     8             0
     9             0
   10             0

Any ideas about this? Thanks for your time xpcman.

xpcman · Answer

Here is what Memtest86 says about "error confidence value"

Error Confidence Value:
     A value that indicates the validity of the errors being reported with
     larger values indicating greater validity. There is a high probability
     that all errors reported are valid regardless of this value.  However,
     when this value exceeds 100 it is nearly impossible that the reported
     errors will be invalid.    
So I suspect one of your memory modules is bad.

 Once a memory error has been detected, determining the failing SIMM/DIMM module is not a clear cut procedure. With the large number of motherboard vendors and possible combinations of memory slots it would be difficult if not impossible to assemble complete information about how a particular error would map to a failing memory module. However, there are steps that may be taken to determine the failing module. Here are four techniques that you may wish to use:

    Removing modules

    This is simplest method for isolating a failing modules, but may only be employed when one or more modules can be removed from the system. By selectively removing modules from the system and then running the test you will be able to find the bad modules. Be sure to note exactly which modules are in the system when the test passes and when the test fails.
    Rotating modules

    When none of the modules can be removed then you may wish to rotate modules to find the failing one. This technique can only be used if there are three or more modules in the system. Change the location of two modules at a time. For example put the module from slot 1 into slot 2 and put the module from slot 2 in slot 1. Run the test and if either the failing bit or address changes then you know that the failing module is one of the ones just moved. By using several combinations of module movement you should be able to determine which module is failing.
    Replacing modules

    If you are unable to use either of the previous techniques then you are left to selective replacement of modules to find the failure.


Good Luck

Kamon358 · Answer

Thank you for your advise xpcman, I will try this  techniques. But after i did the memory test, witch was the first thing I did after turning the pc on, the bsod didn't     
show up any more. Than I did a test with "windows memory diagnostic" and it showed no problems. Does this mean some thing? Can this problem happen because of electricity problems, because in my country in winter the electricity is with problems, and I have had electricity problems in the past. 

Thank you for your help.

BSOD

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