Desktop Unexpectedly Shuts Down

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alanattom

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Oct 10, 2012
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In the past few months my W7 desktop will occasionally shut down unexpectedly. This happens maybe once every 2 or 3 days.

The desktop is now 6 years old, but it otherwise works fine.

I have not detected any pattern. It happens during various activities - surfing the WWW, watching videos, etc. No one thing consistently causes it so far as I can tell.

I replaced my video card, but that had no effect. I ran the MSFT memory test and it found no problems.

Is there a way for me to hone in on the likely cause?

Thanks for any advice,

Alan
 
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exactly what happens when your pc shuts down e.g. bsod, freezing, resettng/restarting etc?

what are your full pc specifications? please post in details.
are all the components and cables attached properly?
any loose connections?
is the interior clean?
does the exhaust air feel hot to touch?
 
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Hi Roy,

Thank you for taking the time to answer. Much appreciated.

Yesterday I discovered a loose monitor cable-extender connection into the back of the desktop (I've used a monitor cable-extender for years.)

I have to admit I never knew that a loose connection like this might cause the desktop to suddenly shut off/power down.

In any event, I am now hopeful that this was the cause. I will post here again if it turns out not to be the cause.

Thank you again,

Alan



 
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Hi Roy and all,

Wanted to update - I believe I may've isolated a likely cause: when I have more than about a dozen tabs open in Chrome the system powers down. I've been able to replicate this now a couple of times. With fewer open tabs there does not seem to be a problem.

There does not seem to be any "hot air" exhaust issue. All cables are connected tightly. The video card is only a few weeks old, but the problem has continued to exist after it was installed.

Windows Mem Test shows no issues.

This problem began to occur a few months ago. Before that the same high number of tabs did not cause a problem.

Here is my configuration:


Operating System System Model
Windows 7 Professional (x64) Service Pack 1 (build 7601)
Install Language: English (United States)
System Locale: English (United States)
Installed: 10/30/2009 12:00:37 PM
Boot Mode: BIOS (Secure Boot not supported) Enclosure Type: Desktop
Processor a Main Circuit Board b
2.85 gigahertz Intel Core2 Quad
64 kilobyte primary memory cache
6144 kilobyte secondary memory cache
64-bit ready
Multi-core (4 total)
Not hyper-threaded Board: Intel Bearlake Fab D
Bus Clock: 333 megahertz
BIOS: Phoenix Technologies, LTD 6.00 PG 07/24/2008
Drives Memory Modules c,d
999.88 Gigabytes Usable Hard Drive Capacity
810.86 Gigabytes Hard Drive Free Space

ATAPI iHAS124 Y ATA Device [Optical drive]

ST31000520AS ATA Device [Hard drive] (1000.20 GB) -- drive 0, s/n 5VX05Y73, SMART Status: Healthy 8192 Megabytes Usable Installed Memory

Slot 'A0' has 2048 MB
Slot 'A1' has 2048 MB
Slot 'A2' has 2048 MB
Slot 'A3' has 2048 MB
Local Drive Volumes

c: (NTFS on drive 0) 999.88 GB 810.86 GB free
Network Drives
None discovered
Users (mouse over user name for details) Printers
local user accounts last logon
Alan 7/10/2015 8:03:00 AM (admin)
Mom 4/26/2015 4:46:02 AM
UpdatusUser 6/24/2015 7:52:36 AM (admin)
local system accounts
Administrator 10/28/2009 2:41:00 PM (admin)
Guest never
HomeGroupUser$ never

DISABLED Marks a disabled account; LOCKED OUT Marks a locked account

Amyuni Document Converter 400 on NUL:
deskPDF Creator on DDX:
EPSON NX420 Series on USB001
EPSON XP-310 Series on EPDD1BE1:XP-310 SERIES
Microsoft Shared Fax Driver on SHRFAX:
Microsoft XPS Document Writer on XPSPort:
PDF995 Printer Driver on PDF995PORT
Snagit 10 Printer on C:\ProgramData\TechSmith\Snagit 10\PrinterPortFile
Controllers Display
Standard floppy disk controller
ATA Channel 0 [Controller] (3x)
ATA Channel 1 [Controller] (3x)
Standard Dual Channel PCI IDE Controller (3x) NVIDIA GeForce 8400GS [Display adapter]
LG W2353 [Monitor] (23.1"vis, s/n 327923, January 2010)
Bus Adapters Multimedia
Intel(R) ICH9 Family USB Universal Host Controller - 2934
Intel(R) ICH9 Family USB Universal Host Controller - 2935
Intel(R) ICH9 Family USB Universal Host Controller - 2936
Intel(R) ICH9 Family USB Universal Host Controller - 2937
Intel(R) ICH9 Family USB Universal Host Controller - 2938
Intel(R) ICH9 Family USB Universal Host Controller - 2939
Intel(R) ICH9 Family USB2 Enhanced Host Controller - 293A
Intel(R) ICH9 Family USB2 Enhanced Host Controller - 293C Logitech Mic (QuickCam E2500)
NVIDIA High Definition Audio (4x)
Realtek High Definition Audio
USB AUDIO
Virus Protection [Back to Top] Group Policies
Microsoft Security Essentials Version 4.8.0204.0
Scan Engine Version 1.1.11804.0
Virus Definitions Version 7/9/2015 Rev 1.201.1342.0
Last Disk Scan on Monday, June 29, 2015 4:54:07 AM
Realtime File Scanning On
None discovered
Communications Other Devices
Microsoft 6to4 Adapter
Microsoft ISATAP Adapter
↑ Realtek PCI GBE Family Controller
primary Auto IP Address: 192.168.0.6 / 24
Gateway: 192.168.0.1
Dhcp Server: 192.168.0.1
Physical Address: 00:E0:4D:43:0A:92
Connection Speed: 1 Gbps

Networking Dns Servers: 209.18.47.61
209.18.47.62
HID-compliant consumer control device
USB Input Device (2x)
Logitech QuickCam E2500
Standard PS/2 Keyboard
HID-compliant mouse
Logitech USB Camera (QuickCam E2500)
USB Composite Device
USB Root Hub (8x)
USB Virtualization Connector Driver (2x)
Generic volume shadow copy
USB Storage Use in past 30 Days (mouse over last used for details) Hosted Virtual Machines (mouse over name for details)
None discovered
Name Last Used
Windows XP Mode 3/8/2015 8:38:56 AM

See your entire network map...
click for Belarc's System Management products

Network Map (mouse over IP address for physical address) [Back to Top]
IP Device Type Device Details Device Roles
192.168.0.1 Router Arris / TG862G Router 2.0.40_0920E / #C7ABSMABW561377 DHCP Server, Gateway, Web Server
192.168.0.2 Web Server
192.168.0.3 Physical Address FC:F1:52:92:2D:3E
192.168.0.5 Physical Address 14:CC:20😀4:10:56
192.168.0.6 Windows 7 Workstation Alan-desktop (in WORKGROUP),
alan-desktop.triad.rr.com Print Server, Browse Master

Find your security vulnerabilities...
click for Belarc's System Management products

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Hotfixes from Microsoft Update (agent version 7.6.7601.18804) wait for install approval.
Last install: 6/11/2015 8:41:44 AM, download: 6/11/2015 4:48:29 AM, check: 7/10/2015 7:47:31 AM.

These security updates apply to this computer but are not currently installed (using Advisor definitions version 2015.7.8.6), according to the 06/09/2015 Microsoft Security Bulletin Summary and bulletins from other vendors. Note: Security benchmarks require that Critical and Important severity security updates must be installed.

Hotfix Id Severity Description (click to see security bulletin)
APSB15-16 Important Adobe Flash Player security update for Flash Player 17.0.0.191 ActiveX 64-bit
APSB15-16 Important Adobe Flash Player security update for Flash Player 17.0.0.191 ActiveX 32-bit
APSB15-16 Important Adobe Flash Player security update for Flash Player 18.0.0.194 Plugin 64-bit
APSB15-16 Important Adobe Flash Player security update for Flash Player 18.0.0.194 Plugin 32-bit
HT204947 Critical Apple QuickTime security update for QuickTime 7.7.6 (1680.95.31)
HT204949 Critical Apple iTunes security update for iTunes 12.1.2.27

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Belarc - Advisor d3f3f113
Microsoft - Internet Explorer
(Microsoft - Office XP Professional
Microsoft - PowerShell
Microsoft - Windows 7 Professional (x64)
Microsoft - Windows 7 Professional (x64)
Nico Mak Computing - WinZip 55300476
TechSmith - SnagIt

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ıı i Almico Software - SpeedFan Version 4.50 Final
ı i Amazon - Music Version 3.9.7.901
ı i APBA International - Baseball for Windows Version 5.75
ı i Apple - Bonjour Version 3,0,0,10 (64-bit)
ı i Apple - iTunes Version 12.1.2.27 (64-bit)
ı i Apple - MobileDeviceService Version 3.3.0.0 (64-bit)
ı i Apple - Push Version 2.4.3.81 (32/64-bit)
ıı i Apple - QuickTime QuickTime 7.7.6 (1680.95.31)
i Apple - Software Update Version 2.1.3
ı i Belarc - Advisor Version 8.4
i Budy Setiawan Kusumah - BooZet Advanced Rename Version 1.00.0002
i Budy Setiawan Kusumah - BooZet Duplicated Files Finder Version 1.01
i Budy Setiawan Kusumah - BooZet File Splitter Version 1.00.0004
i Budy Setiawan Kusumah - BooZet NFO Reader Version 1.00.0003
i Budy Setiawan Kusumah - BooZet Photo Rename Version 1.00.0047
i Budy Setiawan Kusumah - BooZet Thumbnail Maker Version 1.00.0005
i Budy Setiawan Kusumah - Visual CD Version 4.02
ıı i Crystal Dew World - CrystalDiskInfo Version 6.0.4.2013
ıııı i Dropbox - Dropbox 2.4.11 Installer Version 2.4.11.0
i Google - AutoBackup Version 1.0.27.161
ı i Google - Chrome Version 43.0.2357.132
ı i Google - Drive Version 1.22.9403.0223
ıı i Google - Picasa Photo Viewer Version 3.9.0
ııı i Google - Picasa Version 3.9.139
ı i Google - Update Version 1.3.25.5
i Google - Updater Version 2.0.711.37800.beta
i H.D.S. Hungary - Hard Disk Sentinel Version 4
ı i Intuit - Quicken for Windows Version 24.1.8.1
i Intuit - TurboTax Version 2009.9.14.216
i Intuit - TurboTax Version 2010.10.17.274
ıııı i Intuit - TurboTax Version 2011.10.17.540
ıııı i Intuit - TurboTax Version 2012.11.19.430
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ıı i Intuit - TurboTax Version 2014.11.24.612
i Intuit - Update Service Version 3.1.2.0
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i Ipswitch - Activation Version 1.4
ııı i Ipswitch - WS_FTP Pro/LE Version 12,3,0,0
i LockLizard - Keystore Cleaner Version 1.0.0.0
i LockLizard - Lizard Safeguard - PDF Viewer Version 2.5.0.0
ıııı i Mark Ross Services - ATMgr575 Version 5.75
i Microsoft - .NET Framework Version 2.0.50727.5483 (32/64-bit)
i Microsoft - .NET Framework Version 3.0.4506.5464 (64-bit)
i Microsoft - .NET Framework Version 4.0.41210.0 (32/64-bit)
i Microsoft - Application Error Reporting Version 10.0.2609
i Microsoft - Clip Organizer Version 10.0.6308
i Microsoft - CoReXT Version 7.250.4232.0 (64-bit)
ııı i Microsoft - Internet Explorer Version 11.00.9600.17840 (32/64-bit)
ı i Microsoft - Malware Protection Version 4.8.0204.0 (64-bit)
i Microsoft - Office Isolated Converter Environment Version 12.0.6500.5000
i Microsoft - Office Save My Settings/Profile Wizard Version 10.0.6515
ıı i Microsoft - Office XP Version 10.0.6871
i Microsoft - Open XML Converter Version 12.0.6500.5000
ı i Microsoft - Security Client Version 4.8.0204.0 (64-bit)
i Microsoft - Silverlight Plug-In Version 5.1.40416.0 (32/64-bit)
i Microsoft - Silverlight Version 5.1.40416.0 (32/64-bit) ı i Microsoft - Windows Installer - Unicode Version 5.0.7600.16385 (32/64-bit)
ıııı i Microsoft - Windows Live Movie Maker Version 15.4.3538.0513
i Microsoft - Windows Live Photo Gallery Version 15.4.3538.0513
ıııı i Microsoft - Windows Live? Photo Gallery Version 15.4.3538.0513
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i Microsoft - Windows Virtual PC Application Launcher Version 6.1.7601.17514 (32/64-bit)
ııı i Microsoft - Windows Virtual PC Version 6.1.7601.17514 (64-bit)
i Miller Associates - APLUS Version 2.06
ıı i Mozilla - Firefox Version 38.0.5
ıııı i Mozilla - Nvu Personal Debug
ıııı i Mozilla Foundation - Composer Personal
i Mozilla Foundation - Firefox Version 38.0.5
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i No Company Name - BB_VIEW.EXE - Shortcut
i No Company Name - Cmba
i No Company Name - FLV Player
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ıııı i No Company Name - Player Editor
i No Company Name - Quicken Online Backup
i No Company Name - Statcomp (32-bit)
ı i NVIDIA - Driver Helper Service, Version 341.44 Version 8.17.13.4144 (64-bit)
ı i NVIDIA - Update Version 10.4.0.4
ıııı i Phil Murray - BBWReplayStatsMaint Version 1.00
i Phil Murray - BBWTOACCESS2 Version 1.00
ıııı i Phil Murray - BBWUsage Version 1.00
ıııı i Phil Murray - BBWUSAGE Version 2.05
ıı i Piriform - CCleaner Version 4, 14, 00, 4707 (32/64-bit)
ı i Realtek Semiconductor - HD Audio Control Panel Version 1, 0, 0, 264 (64-bit)
ı i Realtek Semiconductor - Voice Manager Version 2.0.2.1
i Seagate - FreeAgent Application Version 4, 7, 0, 10
i Seagate Technology - Manager Version 2, 2, 50, 0
i Seagate Technology - Sync Version 5, 0, 0, 4
ı i SEIKO EPSON - E_UPBX02.EXE Version 1.2.1.0 (64-bit)
ı i SEIKO EPSON - EEventManager Application Version 3.0.0.9
ıı i SEIKO EPSON - EProjManager Application Version 2, 6, 0, 2
i SEIKO EPSON - EPSDNAVI.EXE Version 4.0.1.0
ı i SEIKO EPSON - Epson Customer Participation Version 1.7.0.0 (64-bit)
i SEIKO EPSON - EPSON Driver Update Version 3, 3, 0, 0 (64-bit)
ııı i SEIKO EPSON - Epson Printer Driver Setup Version 7.00 (64-bit)
i SEIKO EPSON - Epson Printer Driver Setup Version 7.08 (64-bit)
ı i SEIKO EPSON - EPSON Scan Version 3.7.9.0
ıııı i SEIKO EPSON - EPSON Scan Version 5.0.3.0
ı i Seiko Epson - EPSON Scanner Driver Version 1.1 (64-bit)
i SEIKO EPSON - EPSON Status Monitor 3 Version 5.00 (64-bit)
i SEIKO EPSON - EPSON Status Monitor 3 Version 7.00 (64-bit)
ı i SEIKO EPSON - EPSON Status Monitor 3 Version 8.00 (64-bit)
i SEIKO EPSON - EpsonNet Setup Ver3.2a Version 3, 2, 1, 2100
i Siber Systems - RoboForm Version 6-10-1
ı i Siber Systems - RoboForm Version 7-9-14-4
ıııı i Skowhegan Savings Bank - APBA BBW Newspaper Style Boxscores Version 2.00
ıııı i Skowhegan Savings Bank - Recaps Version 1.00
ıııı i Skype Technologies - Skype Version 7.0
i StumpCat Software - BBWExplorer Version 1.0.0.0
i TeamViewer - TeamViewer 10 Version 10.0
ıı i TechSmith - Snagit Version 10.0.2.21
ıııı i WinZip Computing - WinZip Version 9.0 SR-1 (6224)

 
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Hi Roy, Thank you again for your time and help. Much appreciated.

As for Firefox, in my limited trials it does not trigger the issue. That led me to believe the issue is Chrome-related, but I don't see any Google Search results for this (the ones I do see are related to Chrome itself shutting down, not the entire PC). Likely my Search was ineffective because it's hard to believe I'm the only Chrome user with the issue...

I can certainly return to Firefox (I used it for years before switching to Chrome several months ago) if it's possible that this issue can indeed cause an entire PC to shutdown... I do often have 25 or so open tabs which I assume is a lot, and perhaps Chrome cannot handle that many reliably?



Alan
 
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thank me later if i do actually end up helping you. :)

if you want to stick with chrome, is this specific version causing problems or any version? for example, older or newer ones. or may be an extension.

check your event logs for errors during the shutdown happens.

also check if your motherboard's utility is somehow conflicting with chrome.

are your softwares, drivers, browser patches updated?
 
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Hi All,

Today's update: Thanks to a suggestion here, I installed REALTEMP. It shows "HOT" warnings as soon as I open a second tab in either Chrome or Firefox. Opening additional tabs triggers HOT warnings for additional sensors. Closing the open tabs eliminates the HOT warning.

For what it's worth, I observe only a very slight difference between Chrome and Firefox in terms of how quickly the HOT warnings appear.

The 4 temperatures (when only a single tab is open) are: 70, 66, 66, and 66. With 2 tabs, it's 72, 67, 68, 68. With 5 tabs it's 102, 93, 97, and 98.

The air from the desktop feels only slightly warm. All fans are operating.

Frankly, this is all new to me, and I have no idea how to proceed.

Thanks again for all the help.

Alan

 
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check your cpu'c cooling assembly for any looseness.
if it;s dusty inside, clean it by spraying air from a can of compressed air. especially the cpu cooler area.

try using piriform's speccy to monitor the other parts too. (ignore the google chrome installation request when asked).
 
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Thank you (again!), Roy.

Since my earlier post this AM, the temps in 4 have all gone down to normal range (91, 84, 84, 87) despite the open tabs. The HOT temps lasted about 5 minutes or so.

I have cleaned the interior of the desktop several times recently with compressed air, and I just checked again, and the interior is spotless<g>. The air from the 5 fans all feels quite cool.

I just installed Speccy and the only item in red is the: "Intel Core 2 Quad Q9550 @ 2.83GHz 86 °C"
Yorkfield 45nm Technology".

RealTemp is reporting all 4 Thermal Status items are "LOG" (no longer "HOT").

Thanks again,

Alan
 
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