Windows 7 Frequent BSOD on Startup After Extended Downtime: Need Help Diagnosing the Issue

Kumud Adhikari

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My PC shuts down showing the blue screen. Blue screen appears mostly when the computer is started after certain hours. I donot have deep knowledge about the computer maintenance. I've attached the dump files with the help of Windows 7 diagnostic tool. I am hopeful to get some solutions.
 

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It could very well be as the above dump file points to ATAPI which as I wrote above relates to DVD drives and such. Try checking the cables in the case and remove any dust that has collected. I've known a CD drive to stop working simply down to dust. I also had a DVD drive give me bsod's until it was changed so it's entirely possible that yours has become faulty.
This web page has a few apps to test functionality:
http://www.computerhope.com/issues/ch001090.htm
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Code: 
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck D1, {0, 2, 1, 87f5b09b}

Probably caused by : ataport.SYS ( ataport!PortListRemoveRequest+2d )

Followup: MachineOwner

Hi,
ataport.sys relates to the ATAPI system which is how your PC communicates with DVD drives and the like. I'm afraid with only one dump file it's difficult to draw any conclusions as of yet.

BiosVersion = V2.4
BiosReleaseDate = 03/26/2009
Your bios has updates:
Link Removed

Does your DVD/CD drive still work ok?
Just check that windows hasn't become corrupt. Find command prompt in the start menu and right click on it. Choose properties and then look for run as admin. Type:
sfc /scannow
Press enter and await results.

Your Intel drivers need updating please run the driver utility here:
Link Removed

Rt86win7.sys Fri Jun 10 07:31:55 2011: Realtek NIC please update:
http://www.realtek.com/downloads/do...d=5&Level=5&Conn=4&DownTypeID=3&GetDown=false

RTKVHDA.sys Wed Jul 28 11:00:28 2010: Realtek HD Audio Codec Driver please update:
Link Removed

Please run this app for detecting malware:
https://www.malwarebytes.org/

Post any new dump files.
 
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I don't think my DVD/CD drive works well. It reads the dvd but while copying files from cd, it gets interrupted in the middle. Does this has to do something with BSOD problem?
 
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It could very well be as the above dump file points to ATAPI which as I wrote above relates to DVD drives and such. Try checking the cables in the case and remove any dust that has collected. I've known a CD drive to stop working simply down to dust. I also had a DVD drive give me bsod's until it was changed so it's entirely possible that yours has become faulty.
This web page has a few apps to test functionality:
http://www.computerhope.com/issues/ch001090.htm
 
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