1. Does it run without the battery? (if so, battery is dead or shorting out)
2. AC adapter could be going out or not working properly. I have people do this at work, they run and run on battery not knowing the power pack or outlet isn't working, they have been running on battery for hours and it eventually just shuts down on them.
3. Could be a short in the cord of the power pack, you think its working, but it might not be depending on if the cord is touched or moved.
4. Hard drive might be over heating. Does the laptop seem to run ok or is it acting slow? Laptop drives tend to go bad more frequently than desktop drives due to size, heat and space inside those laptops. If the drive is failing and working extra hard to read the data, it builds up more heat and will shut down.
5. Is the laptop sitting on a docking station or stand alone?
6. Is the laptop on your lap sitting on something soft like pants or blanket that will be blocking the cooling ports on the side or bottom of the unit, causing excess heat build up.
what brand of laptop?
Thanks for all the quick responses.
It has a mobile processor, but always run hot. It was built by a small local shop.
Haven't given the battery too much thought but makes sense. It is old(3.5yrs) and now just left plugged in. The notebook sits on a desk and seems to be running ok until shutdown.
I'll try a few things.
Thanks again folks
might double check the energy saving settings and see if you have them set all "Turbo Al Gore".
Also does the machine power down after 15 minutes while plugged in or just on battery?
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Similar problem with my laptop until now that I only use it while it's on a wire rack that I can put over my alp and it still has a couple of inches of airgap beneath it.
My bet is that it's overheating.
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I was going to put a thermometer on it and check his settings.
I have an HP that pops off after about an hour on one account and not at all on another.
It's the power settings.
I have a toshiba that overheats and shuts completely off after 15 min. on the dot unless I prop it up or hang the left end where the fan is (can see the inlets on the bottom) over the edge of a table so it can breathe. I would say before you spend more money on it, check to see if it is a heating problem.
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