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Hi daddyo1269. That problem could mean that the laptop is overheating, probably the fan is not turning on and the CPU temperature can rise very very quickly and it shuts down in order to protect the CPU or the motherboard. After you turn it on, turn the laptop upside down and check the fan. If the fan is spinning propertly then the motheboard is "short" for some reason so you have to take it to a repair shop. I hope this helps and dont forget to rate.:D Thank you.
laptop suddenly shuts down by itself without any warning. Sometimes it
works fine for hours, sometimes it shuts down in 10-15 minutes.”
This complaint we hear from our customers over and over again. About
15-20% of all Toshiba laptops we get for repair, suffer from an
overheating problem. Yep, OVERHEATING!
This is one of the
most common problems with Toshiba laptops we deal with. Indications of
laptop overheating problem:
The keyboard and the
bottom of your laptop are very hot when the laptop is working.
The CPU fans are
working all the time at maximum rotation speed and operate much
louder than before.
The laptop suddenly
shuts down by itself without warning. When it just started, the laptop
was shutting down after 1-2 hours and how it shuts down after 5-10
minutes of operation.
The laptop works fine
when it runs idle, but shuts down as soon as you start using any memory
demanding applications (DVD player, image editing software, video
editing software, etc.).
If the CPU heatsink is
not clogged with dust and lint completely, you can use canned air and
just blow it inside the laptop through the openings on the bottom and on
the sides. It’s nice as a precaution measure, but it might not work if
your laptop already has a problem and the heatsink is completely
Open the laptop case,
so you can access the CPU fan and the heatsink. In some cases you can
access the heatsink through the latch on the bottom of the laptop.
Sometimes you have to open the laptop case all the way
the fan cables on the system board and remove the fan. If the fan makes
unusual sound when it spins (grinding sound), I would recommend to
replace the fan.
Clean the fan and the
heatsink with compressed air.
I would also
recommend removing old thermal grease from the CPU and applying new
grease for better heat conductivity.
Computers may not be smarter than people, but if they’re designed
properly, they will shut themselves down before overheating to the
extent that they do themselves damage.
If the smart person keeps
turning the notebook back on and figures out a way to foil the
protection, the laptop is probably doomed. Once a laptop shuts down for
thermal event protection, it may refuse to power back up for a fixed
period of time, five or ten minutes, or it may begin to boot and shut
down immediately as soon as it boots to the point that it can figure
out that its too hot.
The over-temperature protection is generally a
BIOS rather than an operating system function, so one sign of an
overheated laptop is one that shuts itself down while you’re using it
and then refuses to boot as far as the operating system unless you
leave it alone for an hour or so to cool down.
Unless you’ve been
working in a very unfriendly environment, high temperatures, direct
sunlight, etc, you should take even a single overheating shutdown as a
warning to back up your data at the first opportunity and to give the
cooling system a serious cleaning. Good luck
The cpu get overheated and will shtdown to protect it. The fan continues to run until a CPU safe temperature is reached / sustained.
1. Use laptop on flat surface, not on pillow, carpet, bed, etc. that will restrict air flow. Using a can of compressed air, clear the air vents.
2. If the symptom continues, then the heat conductive paste between the cpu chip and the heatsink is no longer effective (hardened, too thin, etc.). Remove the heatsink and add thermal paste
($6 Radio Shack).
It is possible that the battery is not charging at all and can't pass electricity to the board. But if its 3yo, its probably really dead.
Also, if you can see a fan not working at all, overheating is also possible.
It is also possible that there is a tiny foreign object capable of conducting electricity, such as human hair, that gets activated at the slightest movement of the laptop by shorting some pins on your board.
So I would suggest to observe more or clean the inside of your laptop if you know how to remove your keyboard.
We had some Acers do the exact same thing and we fixed them. I believe it shuts right off as a safety. Usually when the processor gets too hot it powers right off to save the laptop from burning up. First quick fix it to blow out the vents and especially blow out the heat sink vent. Also could be that the heat paste that sits between the CPU and Heat Sink could have dried up and stopped doing it's job to remove heat efficiently from the CPU. Big problem in earlier model Gateway laptops too. This can be fixed by acquiring some paste from a local tech shop and reapplying it. If you feel unsure about it, take it to a tech shop and they can do it quick for cheap if not for free. Keep me posted - Scotty