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KERNEL_DATA_INPAGE_ERROR (7a)
The requested page of kernel data could not be read in. Typically caused by
a bad block in the paging file or disk controller error. Also see
KERNEL_STACK_INPAGE_ERROR.
If the error status is 0xC000000E, 0xC000009C, 0xC000009D or 0xC0000185,
it means the disk subsystem has experienced a failure.
If the error status is 0xC000009A, then it means the request failed because
a filesystem failed to make forward progress.
Arguments:
Arg1: fffff6fc40009828, lock type that was held (value 1,2,3, or PTE address)
Arg2: ffffffffc00000a3, error status (normally i/o status code)
Arg3: 00000000ac6d1860, current process (virtual address for lock type 3, or PTE)
Arg4: fffff88001305810, virtual address that could not be in-paged (or PTE contents if arg1 is a PTE address)
Debugging Details:
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All your BSOD's come with the same bug check code 7A. It's usual causes are:
- Usual causes: Memory, Paging file corruption, File system, Hard drive, Cabling, Virus infection, Improperly seated cards, BIOS, Bad motherboard, Missing Service Pack
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* Bugcheck Analysis *
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Use !analyze -v to get detailed debugging information.
BugCheck 7A, {fffff6fc40009828, ffffffffc00000a3, ac6d1860, fffff88001305810}
GetPointerFromAddress: unable to read from fffff80003902278
*** WARNING: Unable to verify timestamp for win32k.sys
*** ERROR: Module load completed but symbols could not be loaded for win32k.sys
Probably caused by : memory_corruption
Followup: memory_corruption
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Make sure there is enough free space in your hard drive. Also unplug & safely remove any external USB device.
Code:
ERROR_CODE: (NTSTATUS) 0xc00000a3 - {Drive Not Ready} The drive is not ready for use; its door may be open. Please check drive %hs and make sure that a disk is inserted and that the drive door is closed.
Hard Drive/Storage
Post disk summary using CrystalDiskInfo software: CrystalDiskInfo Standard Edition
-
For how to upload a screenshot or file, read here
Make a hard drive test from the hard drive manufacturers website: Hard Drive Diagnostic Procedure
Disk Check
For errors on your Hard drive(s): How to Run Disk Check in Windows 7
Daemon Tools/Alcohol %
- Start Menu\Programs\DAEMON Tools Lite Public:Start Menu\Programs\DAEMON Tools Lite Public
Daemon Tools (and Alcohol % software) are known to cause BSOD's on some Win7 systems (mostly due to the sptd.sys driver, although we have seen dtsoftbus01.sys blamed on several occasions). Please uninstall the program, then use the following free tool to ensure that the troublesome sptd.sys driver is removed from your system (pick the 32 or 64 bit system depending on your system's configuration): DuplexSecure - FAQ
As an alternative, many people recommend the use of Total Mounter or Magic ISO
Security App
- Start Menu\Programs\AVG Public:Start Menu\Programs\AVG Public
AVG can be a possible cause of BSOD's. Remove AVG and replace with Microsoft Security Essentials to see if it provides more stability. Uninstallers (removal tools) for common antivirus software. Microsoft Security Essentials and Malwarebytes are recommended from a strict BSOD perspective. They do not cause blue screens on the system as other AV products do.
Microsoft Security Essentials, Free antivirus for windows and Malwarebytes Anti-Malware Free
Please remove McAfee as well Uninstallers (removal tools) for common antivirus software.
- Start Menu\Programs\McAfee Family Protection Public:Start Menu\Programs\McAfee Family Protection Public
Start up
Keep less stuff at the start-up. Only anti-virus, this helps avoid driver conflicts and improves time to log in to windows.
Troubleshoot a Problem by Performing a Clean Startup in Windows 7 or Vista
How to Change, Add, or Remove Startup Programs in Windows 7
SFC /scannow to check windows for corruption:
How to Repair Windows 7 System Files with System File Checker
1. Click Start 
2. In the search box, type Command Prompt
3. In the list that appears, right-click on cmd.exe and choose Run as administrator
4. In the command window that opens, type sfc /scannow
and hit enter.
Memtest86+
Run Memtest86+ for at least 8-10 passes. It may take up to 20 passes to find problems. Make sure to run it once after the system has been on for a few hours and is warm, and then also run it again when the system has been off for a few hours and is cold. How to Test and Diagnose RAM Issues with Memtest86+
Note
Pay close attention to part 3 of the tutorial in order to rule the faulty RAM stick out.
Tip
Do this test overnight.
Let us know the results.
Do not start the free trial of MalwareBytes, unselect that option when prompted.
Update and make full scans with both separately.
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