System Just Shuts Down - No Errors/Warnings

domtrump

New Member
For the past month or so, I been experiencing the following on an HP Pavillion tx2000 notebook:

The system will simply shut down. It doesn't go to sleep or hibernate, it shuts itself down like a normal shutdown with the exception that it doesn't prompt to save any open work as Windows normally would if I initiated the shut down. All unsaved work is lost. There are no errors. No BSODs. When I reboot the system, it boots normally as if nothing had happened. I do not see anything exceptional in the Event log, but I'll admit that I am not exactly sure what I'd be looking for.

This happens after some period of inactivity. Sometimes after fifteen minutes, sometimes a half hour, but if I leave the thing unattended for any length of time, it will most certainly be shut down when I return. I've even seen it happen while I was in the middle of typing once! Prior to this happening, I could leave the machine running overnight without such problems.

I've gone through all of the power settings available and basically told it "never go to sleep or turn anything off under any circumstances!" I'm not sure what other settings I could change to prevent this. I've checked the cpu and other component temperatures using PC Wizard 2012 and CoreTemp and neither of them report anything exceptional (although this machine and several other HPs I have run notoriously hot). BIOS is up to date and BIOS diagnostics do not reveal any problems.

I'm thinking of just wiping the machine and loading a clean copy of Win 7 Pro 64 to see if that will remedy the problem, but I thought I'd reach out to the community first before I go through all the hassle of reloading over 50 apps and to make sure the consensus points to a software issue and not hardware.

Any and all thoughts/suggestions are appreciated.

Regards,

Dom
 

My Computer

Dom
Run a full anti virus scan
Download and run a full, updated scan with Malwarebytes, if negative
Lets try a small test. Boot up in safe mode, leave the computer on overnight and lets see if the problem happens.
http://www.computerhope.com/issues/ch000689.htm

You may also get a clue to the cause by going to the event viewer, after the problem occurs. Just go to search, by the start button, and type event viewer. In viewer go to administrative and look for critical and errors at the time of the shut down.
 

My Computer

System One

  • Manufacturer/Model
    Dell XPS420
    Memory
    6 gig
    Graphics Card(s)
    ATI Radeon HD3650 256 MB
    Sound Card
    Intergrated 7.1 Channel Audio
    Monitor(s) Displays
    Dell SP2009W 20 inch Flat Panel w Webcam
    Hard Drives
    640 gb
    Cooling
    Fan
    Keyboard
    Dell USB
    Mouse
    Dell USB 4 button optical
    Other Info
    DSL provided by ATT
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