PC rebooting when idle

I have a Dell Precision T5400.  I've had it for several years now and it has worked very well for me.  Recently, my PC began rebooting when it was idle and the power management would come on.  I adjusted some of the power management settings and also ran a virus check (nothing was found) and it seemed to clear itself up for a couple of weeks.  I noticed that the problem started immediately following one of the automatic Microsoft updates that occurs weekly.  Anyway, after the problem went away for a couple of weeks, it has started back up again.  

I checked the event log and the log shows the following error when the PC gets rebooted:

The computer has rebooted from a bugcheck.  The bugcheck was: 0x00000116 (0xfffffa800a667010, 0xfffff8800fc46e2c, 0xffffffffc000009a, 0x0000000000000004). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: 081714-27970-01.

So, to test if it was software driver related, I rebooted and went into safe mode.  I left the PC idle for several hours and the PC was fine.  It never rebooted.  This makes me think it is a software driver issue?  It doesn't appear to be hardware related.

At this point, I'm not sure what next steps I should take to further identify the problem and how to resolve it.

I'm thinking it might be video driver related or possibly the power management?

I have a NVIDIA GeForce GT 610 graphics card.  The current driver is: 9.18.13.3523

Any help on how I can resolve this would be greatly appreciated.

Thanks.
-Dman100-Software ConsultantAsked:
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acsevenCommented:
Hi,

Bug Check 0x00000116: VIDEO_TDR_ERROR (more from Microsoft).

You should check if nVidia's drivers are updated at their site. Current versions for Vista, 7 & 8 32 bit are versioned with number 340.52 (WHQL) - you failed to mention which Windows system you are using so I can't be more specific.

Considering it might be another driver that is somehow conflicting, you might also (or instead) install IObit's Driver Booster Free. I find it does a very good job updating all drivers on a Windows machine. Just be aware during the installation process, as it suggests you to install their full suite and isn't necessary.

Hope this helps
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joinaunionCommented:
I agree check video drivers.

Run Nividia auto detect and install new driver.
http://www.nvidia.ca/Download/Scan.aspx?lang=en-us
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RobOwner (Aidellio)Commented:
If this has happened in the last week then you should review this news article: http://www.itnews.com.au/News/391112,microsoft-yanks-blue-screen-of-death-windows-patch.aspx?eid=1&edate=20140818&utm_source=20140818_AM&utm_medium=newsletter&utm_campaign=daily_newsletter

Microsoft have issues with their latest updates and it's causing BSOD!  Check if you've got the updates it mentions installed and remove them.

Microsoft advises to remove the following updates if installed:

2982791 MS14-045: Description of the security update for kernel-mode drivers: August 12, 2014;
2970228 Update to support the new currency symbol for the Russian ruble in Windows;
2975719 August 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2;
2975331 August 2014 update rollup for Windows RT, Windows 8, and Windows Server 2012.

Read more: http://www.itnews.com.au/News/391112,microsoft-yanks-blue-screen-of-death-windows-patch.aspx#ixzz3AhLv65ue

Rob
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-Dman100-Software ConsultantAuthor Commented:
Hi Rob,

It started happening about a month ago.  I thought I had fixed it by adjusting the power management settings, but it is rebooting after my PC is idle for 30 minutes or so.  

I installed  IObit's Driver Booster and ran the scan and updated my network adapter driver.  That was the only  one that was out of date.  Everything else is up-to-date.

Still, my PC is rebooting.

I'm not getting the BSOD, but it is just shuts down and reboots.  Not sure what I need to try next?
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RobOwner (Aidellio)Commented:
The computer has rebooted from a bugcheck.
That is a BSOD.  Your computer is just set to reboot automatically.

If you completely disable the power management does it still reboot?  Do any of your power management settings (such as hard drive) set to 30min?  It could indicate a failing hard drive but that's a gut feel guess without more info.
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acsevenCommented:
Can you tell us if your computer overclocked in any way?

This could also be what's causing it. If it is overclocked, lower those parameters and test again.

Also, have you checked for BIOS updates for your computer?
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-Dman100-Software ConsultantAuthor Commented:
Rob,

I went into the power settings and changed the plan settings to turn of the display to never and put the computer to sleep to never.

So far, my computer has not rebooted and it has been a couple of hours.  I'll see how it does tomorrow.

Acseven, my computer isn't overclocked in any way.  I haven't checked for a BIOS update.  Not sure how I would check if my the BIOS need an update?

I appreciate the help guys!  Thank you.
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RobOwner (Aidellio)Commented:
Now that you've isolated it to be power management related, the next thing to do as acseven has suggested would be to update the BIOS and drivers.

What I don't get is that you haven't changed anything that you can think of have you?  Not replaced any parts, plugged in any new hardware via usb etc?

Have opened up the computer and had a look inside? Is it full of dust?

I would create a full image of your hard drive now as a backup if you haven't already.Not sure what version of windows you have but under Backup and Restore there should be the option to create a System Image
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nobusCommented:
maybe the easiest is to install the OS from fresh - since it's running several years
don't forget to backup !!! (i always image the drive first - so i can turn back)
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acsevenCommented:
Usually DELL computers show the BIOS version on the startup screen. Latest revision is A11, you could have A09 installed.

BIOS updates are available at this link:
http://www.dell.com/support/home/us/en/04/product-support/product/precision-t5400/drivers

Or, try installing DELL's client system update utility:
http://en.community.dell.com/techcenter/systems-management/w/wiki/1960.dell-client-system-update.aspx
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nobusCommented:
you can also look if there is a system recovery partition; that helps for installing a lot
when everything is installed - applications + updates, you can take an image of the drive
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acsevenCommented:
One more suggestion, you could use system restore to pull back to a date when you know system configurations should be fine.
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-Dman100-Software ConsultantAuthor Commented:
Thanks for all the help.  I ran Dell's client system utility and the scan didn't find any errors.  I turned my power management settings back on and I'll see if my PC reboots on me again.  Since I turned it off, there have been no reboots.  If the reboots start happening again, I'll see if I can further narrow down the issue.

Thanks for again for the help!
Regards.
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nobusCommented:
there is no ned to close the Q before you have the answer
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