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boot failures


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#1 gwb51

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Posted 13 December 2012 - 09:11 AM

About two weeks ago I started having boot problems. I cannot relate it to any particular event like a new program or update. My system information is listed below using Piriform Speccy - this is a home built system and has functioned fine for about 18 months. I have had it set up to schedule shut downs at night using my CyberPower 1000 UPS. I would simply restart in the morning. Worked fine for over a year.

Two weeks ago the machine would not restart. It hung on black screens (dual monitors)and the hard drive light showed no activity. After a number of hard reboots the system started normally. This now occurs every time the system is shutdown or restarted. The hang point varies. About 90% of the time the screens simply remain blank and boot stops. Sometimes it I will get a blinking cursor on the #1 screen and other times it will get as far as the Windows start (the POST shows no errors I can see)and freeze before the colored balls come together. When it does successfully boot it runs apparently without problem.

System Information:
Operating System
Microsoft Windows 7 Ultimate 64-bit SP1
CPU
AMD Phenom II X4 955 47 C
Deneb 45nm Technology
RAM
8.00 GB Dual-Channel DDR3 @ 666MHz (9-9-9-24) - Patriot Sector 5
Motherboard
ASUSTeK Computer INC. M4A79XTD EVO (AM3) 43 C
Graphics
SyncMaster (1680x1050@60Hz)
DELL E207WFP (1680x1050@60Hz)
AMD Radeon HD 6700 Series (XFX Pine Group)
Hard Drives
466GB Western Digital WDC WD5001AALS-00E3A0 ATA Device (SATA) 42 C
466GB Western Digital WDC WD5000AAKS-00WWPA0 ATA Device (SATA) 36 C
Optical Drives
PLEXTOR DVDR PX-L890SA ATA Device
PLEXTOR DVDR PX-880SA ATA Device
Audio
VIA High Definition Audio

I suspected, after reading some of your threads, it might be a bad stick of RAM. I ran the Windows memory diagnostic and it showed no problems. I also pulled all of the RAM and tried each stick in the #1 socket. Initially I thought I had found the problem when I got a successful boot with only the original stick in the #1 socket. All the other sticks failed to boot. That made me suspicious. Retesting the first "good" stick resulted in a failed boot. I replaced all the RAM.

I ran chkdsk and it showed the drive to be clean. No issues were reported.

I ran sfc /scannow and it returned "Windows Resource Protection found corrupt files but was unable to fix some of them." I attempted to open the CBS.log file and received an "access denied" response??? I am the Administrator so I'm confused. I'll keep trying an post the results in this thread if I can open the file.

I also attempted do a reinstall of Windows 7 Ultimate from a CD, but it would not load because the current version is newer. I am assuming that means because my updates are loaded. I will try again, but choose the option to look for the latest version of Windows 7 online.

I should also point out that I am running Bitdefender Total Security 2012 with daily checks and it identifies no problems.

One other thing. When the system is hung, soft reboots and hard reboots are generally ineffective. The system just goes back to black screens and stops. But, if I pull the power cord and wait until all the board lights are out, the next attempt gets me to at least the POST screens. The system may or may not successfully launch Windows, but it gets to the Windows start up. A subsequent hard boot usually gets a successful start.

Yea, I'm confused. Any help would be welcome.

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#2 gwb51

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Posted 13 December 2012 - 09:54 AM

I managed to figure out how to open my sfc /scannow CBS.log. I've attached the file. Hope this helps some. The result of the scannow was there are corrupt file the scannow could not repair.

#3 dc3

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Posted 13 December 2012 - 10:11 AM

Where's the log?Posted Image

Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#4 gwb51

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Posted 13 December 2012 - 10:57 AM

Oops, I missed that attaching the file was two stage operation - I missed the "attach this file" button. I tried it the right way and it told me the file was too big. I'll break it up. I also missed the max file size. I was in a hurry.

#5 dc3

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Posted 13 December 2012 - 10:59 AM

No problem.Posted Image

Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#6 gwb51

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Posted 13 December 2012 - 11:12 AM

This is the first part of the CBS log. The full file was about 100K over the size limit. The second part follows

Attached Files



#7 gwb51

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Posted 13 December 2012 - 11:23 AM

Well this was more difficult than I thought. I was a quoted not just a max file size. So, I had to zip the second half. (I initially tried to compress the entire file, but I used 7zip and the format was denied. I assumed compressing wasn't allowed.) It's a learning experience.

BTW: I looked at this file and most of the failed repairs seem to have to do with gaming and backgammon. None of which I've ever used. Also, after running scf /scannow about three times I had to reboot same problem. Stopped on black screens. I pulled the power plug and restarted, got normal start.

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