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BSOD on startup, error code:b8
Computer keep having error on startup over a few weeks. Sometime it works fine but lately it has been restarting and leading me to safe mode option. Please provide me some advice.
Computer keep having error on startup over a few weeks. Sometime it works fine but lately it has been restarting and leading me to safe mode option. Please provide me some advice.
Clean boot
Reduce items at start-up. No software except anti-virus is required plus doing this improves the time for logging into windows:
Run the System File Checker that scans the of all protected Windows 7 system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:
- Click on the
- Type CMD on Search
- Left click and Run as Administrator
- Type SFC /scannow
Full tutorial here:
Run Disk Check on your Hard Drive for file system errors and bad sectors on it.
Hard Drive Diagnostics
- Double click and open my computer.
- Right click on desired drive and hit properties.
- Click on tools tab and Check now.
Read complete instructions on the tutorial: Disk Check
Other Tests:
Code:Microsoft (R) Windows Debugger Version 10.0.10240.9 X86 Copyright (c) Microsoft Corporation. All rights reserved. Loading Dump File [C:\Users\Yusra\Downloads\SLY-HP-09_11_2015_220533_04\110615-14227-01.dmp] Mini Kernel Dump File: Only registers and stack trace are available ************* Symbol Path validation summary ************** Response Time (ms) Location Deferred SRV*c:\symbols*http://msdl.microsoft.com/download/symbols Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols Executable search path is: No .natvis files found at C:\Program Files\Windows Kits\10\Debuggers\x86\Visualizers. Windows 7 Kernel Version 7601 (Service Pack 1) MP (8 procs) Free x64 Product: WinNt, suite: TerminalServer SingleUserTS Built by: 7601.19018.amd64fre.win7sp1_gdr.150928-1507 Machine Name: Kernel base = 0xfffff800`0381c000 PsLoadedModuleList = 0xfffff800`03a63730 Debug session time: Fri Nov 6 20:00:52.051 2015 (UTC + 6:00) System Uptime: 0 days 0:00:22.957 Loading Kernel Symbols . Press ctrl-c (cdb, kd, ntsd) or ctrl-break (windbg) to abort symbol loads that take too long. Run !sym noisy before .reload to track down problems loading symbols. .............................................................. ................................................................ ................................................................ .............................. Loading User Symbols Loading unloaded module list ....... ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* Use !analyze -v to get detailed debugging information. BugCheck B8, {fffffa80105835a0, fffff80003a1dcc0, 0, 0} Probably caused by : ntkrnlmp.exe ( nt!SwapContext_PatchXRstor+120 ) Followup: MachineOwner --------- 0: kd> !analyze -v ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* ATTEMPTED_SWITCH_FROM_DPC (b8) A wait operation, attach process, or yield was attempted from a DPC routine. This is an illegal operation and the stack track will lead to the offending code and original DPC routine. Arguments: Arg1: fffffa80105835a0, Original thread which is the cause of the failure Arg2: fffff80003a1dcc0, New thread Arg3: 0000000000000000, Stack address of the original thread Arg4: 0000000000000000 Debugging Details: ------------------ SYSTEM_SKU: F4C76PP#AB4 SYSTEM_VERSION: A3009DD10303 BIOS_DATE: 11/04/2013 BASEBOARD_PRODUCT: 1944 BASEBOARD_VERSION: KBC Version 89.10 BUGCHECK_P1: fffffa80105835a0 BUGCHECK_P2: fffff80003a1dcc0 BUGCHECK_P3: 0 BUGCHECK_P4: 0 FAULTING_THREAD: 105835a0 CPU_COUNT: 8 CPU_MHZ: 892 CPU_VENDOR: GenuineIntel CPU_FAMILY: 6 CPU_MODEL: 3c CPU_STEPPING: 3 CUSTOMER_CRASH_COUNT: 1 DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT BUGCHECK_STR: 0xB8 PROCESS_NAME: System CURRENT_IRQL: 2 ANALYSIS_VERSION: 10.0.10240.9 x86fre DPC_STACK_BASE: FFFFF80000BA0FB0 STACK_OVERFLOW: Stack Limit: fffff80000b9afb0. Use (kF) and (!stackusage) to investigate stack usage. LAST_CONTROL_TRANSFER: from fffff800038935b4 to fffff80003890200 STACK_TEXT: fffff800`00b9abf8 fffff800`038935b4 : 00000000`000000b8 fffffa80`105835a0 fffff800`03a1dcc0 00000000`00000000 : nt!KeBugCheckEx fffff800`00b9ac00 00000000`000000b8 : fffffa80`105835a0 fffff800`03a1dcc0 00000000`00000000 00000000`00000000 : nt!SwapContext_PatchXRstor+0x120 fffff800`00b9ac08 fffffa80`105835a0 : fffff800`03a1dcc0 00000000`00000000 00000000`00000000 00000000`00000201 : 0xb8 fffff800`00b9ac10 fffff800`03a1dcc0 : 00000000`00000000 00000000`00000000 00000000`00000201 00000000`00000002 : 0xfffffa80`105835a0 fffff800`00b9ac18 00000000`00000000 : 00000000`00000000 00000000`00000201 00000000`00000002 fffff800`03887fbd : nt!KiInitialThread STACK_COMMAND: .thread 0xfffffa80105835a0 ; kb FOLLOWUP_IP: nt!SwapContext_PatchXRstor+120 fffff800`038935b4 c3 ret SYMBOL_STACK_INDEX: 1 SYMBOL_NAME: nt!SwapContext_PatchXRstor+120 FOLLOWUP_NAME: MachineOwner MODULE_NAME: nt IMAGE_NAME: ntkrnlmp.exe DEBUG_FLR_IMAGE_TIMESTAMP: 5609efa0 IMAGE_VERSION: 6.1.7601.19018 FAILURE_BUCKET_ID: X64_0xB8_nt!SwapContext_PatchXRstor+120 BUCKET_ID: X64_0xB8_nt!SwapContext_PatchXRstor+120 PRIMARY_PROBLEM_CLASS: X64_0xB8_nt!SwapContext_PatchXRstor+120 ANALYSIS_SOURCE: KM FAILURE_ID_HASH_STRING: km:x64_0xb8_nt!swapcontext_patchxrstor+120 FAILURE_ID_HASH: {21c47b72-ebac-db5b-19e0-cb94026da3c8} Followup: MachineOwner ---------