Random BSOD about ntoskrnl.exe or jmcr.sys

[toobuy]

Greetings people,

my brother purchased a Toshiba A500 and for somedays he had been having BSODs during gaming, during skype or just on the desktop. He told me about the problem and he was talking about this "jmcr.sys" file. I checked the laptop and internet about this and it says it is a memory card driver. I tried to update it to the latest but it is still going on.

also when i try to watch a movie from the internet, the sound is interrupted buy some "click" like noise. randomly. it is like the sound card is not able to handle the source. but i think this is not the case because i tried several sound sources. The same.

Now i am suspicious about Realtek HD audio driver, Nvidia hd audio driver and this jmcr.sys.

and here is my bsod data which doesnt include any of the above drivers but something strange, see:
(these are the bluescreens which I had after recovering the laptop from manufacturers recovery media.)
==================================================
Dump File : 050610-39156-01.dmp
Crash Time : 06.05.2010 17:18:55
Bug Check String : PAGE_FAULT_IN_NONPAGED_AREA
Bug Check Code : 0x00000050
Parameter 1 : fffff880`0b0260d4
Parameter 2 : 00000000`00000001
Parameter 3 : fffff880`08212fdd
Parameter 4 : 00000000`00000000
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+71f00
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Processor : x64
Computer Name :
Full Path : C:\Windows\Minidump\050610-39156-01.dmp
Processors Count : 2
Major Version : 15
Minor Version : 7600
==================================================
==================================================
Dump File : 050610-26083-01.dmp
Crash Time : 06.05.2010 17:00:28
Bug Check String : PAGE_FAULT_IN_NONPAGED_AREA
Bug Check Code : 0x00000050
Parameter 1 : fffff880`0807fc5c
Parameter 2 : 00000000`00000001
Parameter 3 : fffff880`06ff3165
Parameter 4 : 00000000`00000000
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+71f00
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Processor : x64
Computer Name :
Full Path : C:\Windows\Minidump\050610-26083-01.dmp
Processors Count : 2
Major Version : 15
Minor Version : 7600
==================================================


I would be glad if you helped me out.

thanks!

 

[Archean]

Can you please post your minidumps for analysis? You can find them in C:\windows\minidump, zip all the files and attach that zipped file with your next post.

0x50 error can be caused by:

i. hardware issues
ii. software issues (especially anti-virus etc.)
iii. faulty Device drivers

Regards