Have a Toshiba A15 laptop. Fans and cooling system working. Not overheating but System Warning kepps poping up. Warning a problem with the cooling system has been detected. How can I turn off this pop up.
I bought a A665 in 2010 and had problem with the windows 7 crashing, after two crashes the fans warning started and it began to overheat. Since Toshiba has no support is in Brazil, I took it to the local computer repair tech it worked about a year and the same problem started again . Now the health monitor shows no problem but the "cooling system warning" pops up on start-up. It also began freezing up too. If you turn off the all the eco-junk and power saving, turn off sleep modes set everything to " never" it quit freezing up ( for now anyway). I am really sick of it. I would sell it but I am too considerate. Tie a rock to it and throw it in the Ocean. It is a piece of junk.
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Re: System warning pop-up
Are you sure that nothing is overheating? If your cpu fan is turning too slow it won't disipate the heat. Do you have a program showing cpu temp:? I would take the access off the bottom and make sure the cpu fan is clean. If that is not the problem I believe you can turn the warnings off in the bios settings
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Computer shops say that up to 20 percent of Toshiba laptops
brought in for repair have issues with overheating. Symptoms may be as
simple as the keyboard and bottom of the laptop being very hot while the
computer is working, or the fans running at maximum rotation while the
system becomes very slow for several minutes at a time. More
inconvenient issues are common, such as the system completely seizing up
and having to be "killed" with the battery pulled out, or the computer
may shut down all by itself with no warning. Sometimes the laptop works
fine until the user starts any significant memory-demanding
applications, like photo editing software, several Internet windows
being open at the same time, or an Internet video stream.
A common problem with the Toshiba laptop is that dust
becomes clogged between the cooling fan and the heatsink, a device which
lowers the temperature by dissipating heat into the surrounding air.
Now heat produced by the processor is trapped inside the laptop, and the
fan cannot blow it out.
Full coolant level does not mean your engine cannot overheat. You need to fix the problem as overheating will destroy the engine if not addressed.
The radiator cooling fans must be working, as must the water pump. The thermostat must also be working properly. There must also be no air in the cooling system as air locks will impair water flow. When cooling systems are drained fully or partially and re-filled air in the system must be bled out using the correct bleeding procedure for the particular engine/cooling system. Failure to do this properly will lead to overheating.
If you ONLY see the overheating warning when running your aircon you need to check that the electric radaitor fans are kicking in at idle when you switch on and run the aircon and the engine has been warmed up some. If they do not start operating when the a/c is running you will get an overheating condition in normal driving conditions.
If the radiator fans are operating normally and you still get an overheating warning when the aircon is on or off the most likely culprit is a faulty thermostat in the engine's cooling system which will need to be replaced.
If you have either a faulty thermostat or if the water pump in the cooling system fails you will get continuous overheating whether the aircon is on or off.
Hi, you can try to clean fan with a compressed air can, if the fan works most of the time this helps and you will not need to take anything apart, just pick up one at your local electronic store, follow the safety instruction on the can and spray all the air ways starting with the openning under your fan, but start SLOW and gradually increase the air flow and be very careful not to let the air pressure break the fan fins by sudden changes in the air flow... As for the pop-up it may not nessesarly mean it is heating problem, it may be a virus and you may want to install and anti virus just in case... Best od Luck
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 (for example Toshiba
Satellite A70/A75) 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.
You can't replace the fan, you have to replace the power supply. In order to find out whih one you need the best thing to do is open your PC and find out the Wattage. It will be marked on the outside of your power supply. Just in case you do not know where the power supply is, if yo see where the vents are on your computer the power supply is there. It has a fan to blow the hot air out of it..
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If you DO NOT hear the fan running, have it looked at by a professional. Your fan may have died. If you can hear the fan running, blow out the fan exhaust port in the opposite direction of normal air flow. Especially on lap tops, the heat sink cooling fins become completely clogged with dust. When this happens the processor overheats causing it to run slow and eventually shuts itself down to keep from going super nova. You should blow it out at least once or twice a year. Also, if you use your laptop on the couch or in bed, place it on a hard surface like a cutting board or something similar that will allow air to flow underneath the computer. This will also help prevent dust from the cushions or blankets and such from clogging the cooling fins on the heat sink faster than usual. Remember blow it out in the opposite direction of normal air flow. You want to blow the dust out the same passage it came in through.