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BSOD ntoskrnl.exe +75bc0
My system has been BSOD randomly for 3-4 months.
Would be grateful if someone can help me. SF diagnostic log attached.
My system has been BSOD randomly for 3-4 months.
Would be grateful if someone can help me. SF diagnostic log attached.
Start by taking Memtest.Code:Microsoft (R) Windows Debugger Version 6.2.9200.20512 X86 Copyright (c) Microsoft Corporation. All rights reserved. Loading Dump File [C:\Users\Usra\Downloads\SF_tompus\SF_24-01-2014\011114-18891-01.dmp] Mini Kernel Dump File: Only registers and stack trace are available Symbol search path is: SRV*C:\SymCache*http://msdl.microsoft.com/download/symbols Executable search path is: Windows 7 Kernel Version 7601 (Service Pack 1) MP (2 procs) Free x64 Product: WinNt, suite: TerminalServer SingleUserTS Built by: 7601.18247.amd64fre.win7sp1_gdr.130828-1532 Machine Name: Kernel base = 0xfffff800`0320b000 PsLoadedModuleList = 0xfffff800`0344e6d0 Debug session time: Sun Jan 12 02:24:40.453 2014 (UTC + 6:00) System Uptime: 0 days 9:54:44.857 Loading Kernel Symbols ............................................................... ................................................................ ......................... Loading User Symbols Loading unloaded module list ............ ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* Use !analyze -v to get detailed debugging information. BugCheck 50, {fffff88007c0bd60, 0, fffff8000327fe5b, 0} Could not read faulting driver name Probably caused by : ntkrnlmp.exe ( nt!KiSystemServiceExit+0 ) Followup: MachineOwner --------- Microsoft (R) Windows Debugger Version 6.2.9200.20512 X86 Copyright (c) Microsoft Corporation. All rights reserved. Loading Dump File [C:\Users\Usra\Downloads\SF_tompus\SF_24-01-2014\012414-17331-01.dmp] Mini Kernel Dump File: Only registers and stack trace are available Symbol search path is: SRV*C:\SymCache*http://msdl.microsoft.com/download/symbols Executable search path is: Windows 7 Kernel Version 7601 (Service Pack 1) MP (2 procs) Free x64 Product: WinNt, suite: TerminalServer SingleUserTS Built by: 7601.18247.amd64fre.win7sp1_gdr.130828-1532 Machine Name: Kernel base = 0xfffff800`0325d000 PsLoadedModuleList = 0xfffff800`034a06d0 Debug session time: Sat Jan 25 00:33:40.275 2014 (UTC + 6:00) System Uptime: 0 days 7:57:44.680 Loading Kernel Symbols ............................................................... ................................................................ ........................ Loading User Symbols Loading unloaded module list ........ ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* Use !analyze -v to get detailed debugging information. BugCheck 1A, {8886, fffffa8000d67ca0, fffffa8000581100, 205} Probably caused by : memory_corruption ( nt!MiUnlinkPageFromLockedList+19c ) Followup: MachineOwner ---------
Take memtest. Run for 8 passes and test each stick in a know good slot for an additional 6 passes.
The goal is to test all the RAM sticks and all the motherboard slots.
Check your motherboard manual to ensure the RAM sticks are in the recommended motherboard slots. Some motherboards have very specific slots required for the number of RAM sticks installed.
If you get errors, stop the test and continue with the next step.
1. Remove all but one stick of RAM from your computer (this will be RAM stick #1), and run Memtest86 again, for 7 passes.*Be sure to note the RAM stick, use a piece of tape with a number, and note the motherboard slot.If this stick passes the test then go to step #3.
2. If RAM stick #1 has errors, repeat the test with RAM stick #2 in the same motherboard slot.*If RAM stick #2 passes, this indicates that RAM stick #1 may be bad. If you want to be absolutely sure, re-test RAM stick #1 in another known good slot.*If RAM stick #2 has errors, this indicates another possible bad RAM stick, a possible motherboard slot failure or inadequate settings.3. Test the next stick of RAM (stick #2) in the next motherboard slot.*If this RAM stick has errors repeat step #2 using a known good stick if possible, or another stick.*If this RAM stick has no errors and both sticks failed in slot#1, test RAM stick #1 in this slot.4. If you find a stick that passes the test, test it in all the other motherboard slots.
If Part 2 testing shows errors, and all tests in Part 3 show errors, you will need to test the RAM sticks in another computer and/or test other RAM in your computer to identify the problem.
In this way, you can identify whether it is a bad stick of RAM, a bad motherboard, or incompatibility between the sticks.InformationErrors are sometimes found after 8 passes.
TipDo this test overnight, before going to bed.
Thanks koolkat77, I'll start memtest and send results.
Memtest86 did not show errors after 8 passes of all combinations of stick-slot, but after testing I changed slots of my RAM sticks, and I dont have BSOD.
Now, I'm going to wait a few weeks and if I have a BSOD again, I'll answer to you.
Thank you