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Windows 7: BSOD BCCode 50. freezes in normal mode, works fine in safe mode

24 Feb 2014   #1
gussie1966

Windows 7 Home Premium 64bit
 
 
BSOD BCCode 50. freezes in normal mode, works fine in safe mode

laptop has been randomly freezing. cursor disappears no keyboard function. only thing to do is manual shutdown.

Now getting a BSOD error 50.

any help?


My System SpecsSystem Spec
.
25 Feb 2014   #2
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Code:
BugCheck 50, {fffff80040f9e3b0, 1, fffff80000b9a1aa, 5}

*** WARNING: Unable to verify timestamp for ntoskrnl.exe
*** ERROR: Module load completed but symbols could not be loaded for ntoskrnl.exe

Could not read faulting driver name
Probably caused by : ntoskrnl.exe ( nt_fffff80000b95000+51aa )

Followup: MachineOwner
---------
Your crash dumps are not showing any finite probable cause. In such a situation, it is better to enable Driver Verifier to monitor the drivers.
Driver Verifier - Enable and Disable
Run Driver Verifier for 24 hours or the occurrence of the next crash, whichever is earlier.

information   Information
Why Driver Verifier:
It puts a stress on the drivers, ans so it makes the unstable drivers crash. Hopefully the driver that crashes is recorded in the memory dump.

How Can we know that DV is enabled:
It will make the system bit of slow, laggy.

warning   Warning
Before enabling DV, make it sure that you have earlier System restore points made in your computer. You can check it easily by using CCleaner looking at Tools > System Restore.

If there is no points, make a System Restore Point manually before enabling DV.

Tip   Tip

Let us know the results, with the subsequent crash dumps, if any.
My System SpecsSystem Spec
26 Feb 2014   #3
gussie1966

Windows 7 Home Premium 64bit
 
 

ok will run drive verifier after creating a back up of my data. keeps crashing while trying to image
My System SpecsSystem Spec
.

26 Feb 2014   #4
gussie1966

Windows 7 Home Premium 64bit
 
 

I ran verifier. BSOD & laptop freezing.

disabled verifier. now SF diagnostic tool will not work. immediately after clicking run as administrator get error message it has stopped working. Problem event Name: CLR20r3

deleted and reinstalled SF diagnostic tool. same result
My System SpecsSystem Spec
27 Feb 2014   #5
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Try the option two of BSOD posting instructions.
My System SpecsSystem Spec
27 Feb 2014   #6
gussie1966

Windows 7 Home Premium 64bit
 
 

Here are the SF debug files

also ran Memtest86

11 passes no errors
My System SpecsSystem Spec
27 Feb 2014   #7
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Install Service pack 1 and all other windows updates. Otherwise the system will remain vulnerable to threats.
Code:
Windows 7 Kernel Version 7600 MP (2 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 7600.17273.amd64fre.win7_gdr.130318-1532
Learn how to install Windows 7 Service Pack 1 (SP1)
Service Pack and Update Center - Microsoft Windows

Report back for any further BSOD.
My System SpecsSystem Spec
27 Feb 2014   #8
gussie1966

Windows 7 Home Premium 64bit
 
 

Tried to update to SP1

It gets as far as rebooting then to a screen that has a grey box in left hand corner that says "Loading personal settings"

then BSOD error 50 ntoskrnl.exe

then loops to the same thing again
My System SpecsSystem Spec
28 Feb 2014   #9
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Boot into Advanced Boot Options > Safe mode with networking. Then update to SP1.
My System SpecsSystem Spec
28 Feb 2014   #10
gussie1966

Windows 7 Home Premium 64bit
 
 

same problem in safe mode
My System SpecsSystem Spec
Reply

 BSOD BCCode 50. freezes in normal mode, works fine in safe mode




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