Satellite M100-179 and cooling fan

Cooling fan runs every 10 seconds. Must it be so?
it without loading, at set recovery

Hi
If the temperature increases to a certain level the cooling modules start to rotate and to cool the CPU. If the temperature decreases the cooling modules stop.
This is nothing unusual.
I dont know how long you use the notebook but from time to time its recommended to clean the ventilators.
You could try to use the vacuum cleaner against the ventilation grilles.
But be careful
What you could also change the Toshiba power saver settings in the basic setup.
There you can control the CPU speed and the cooling method. Check it simply

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Welcome to Apple Discussions!
Do you have iStatPro? You can download it from the Apple site and see what it is that is running so hot. Under the low usage you describe, the fans should be idling silently. And you might be able to tell what is getting so hot.
If Activity Monitor doesn't show anything, then you might want to run the extended version of the Apple Hardware Test. It sounds like something is getting very hot. If there is a hardware problem, then you should get one or more error codes. The Apple Hardware Test is on Install Disc #1 of the gray discs that came with your Mac--you boot to it by holding down "D". Instructions are on the disc and on the screen.
Also, be sure you have "All Processes" selected on the Activity Monitor. And the boxes at the bottom should be mostly black with very little red or green at 3.5% CPU usage. Given all the symptoms, I am surprised that there is not some process running amok in the background.
Good luck!

HP 15-d103tx starts overheating even after changing the Motherboard and cooling fan.

I puchased a laptop before 6 month but it starts overheating in very less time. The motherboard and cooling-fan has been changed but again started overheating in 2 weeks.
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Dear Customer,
Welcome and Thank You for posting your query on HP Support Forum
Please perform the below shown steps to resolve the issue:
1. You should clean all the Vents and Openings really good with a can of compressed air
2. Check if the Fan is spinning when AC Adapter is connected
3. Boot into the BIOS >> System Configuration >> Device Configuration >> Enable "Fan always ON"
4. Update the latest BIOS and Graphics Driver
Note: Please Click Here to find more steps involved in troubleshooting this issue
Hope this helps, for any further queries reply to the post and feel free to join us again
**Click the KUDOS star on left to say Thanks**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
Thank You,
K N R K
I work on behalf of HP

Satellite A215-S4757 - Battery life and cooling fan issue

Hello everybody,
I would like to ask a few questions abou my system: first of all, the cooling fan is running in my opinion too often: almost continuously, with brakes of 2-3 seconds. Is this normal?
I have my laptop since august last year and I think it shouldn't be a problem of dust, because it is too "young" for that and I don't live in a "dusty" appartment...
Anyway, I think the "almost allways running fan" problem appeared about 2 months after I purchased the notebook. I have installed "Speedfan" and I see "HD0" temperature is increasing from about 30deg immediately after I start the laptop, to about 39deg after 1 hour.
But the curious thing is that so named "Core" temperature is oscillating from the beginning between 45deg and over 52deg! The fan starts each time the core temperature is rising over 50deg and stops when the temperature reaches 45deg. Is this behaviour normal???
Is the core temperature of 45-50deg normal? I am just using my laptop for Internet browsing, e-mails, etc., no complex 3d games!
The second thing is that the battery life is (and was from the beginning) not spectacular: it lasts max. 1,5 hours with wireless on, but normal use of laptop (not playing dvd's or something like this). Is this normal? If yes, is it because of the amd turion 64x2 processors?
Please help me with some advices / opinions.
P.S. I've bought my Toshiba as I was on trip in USA (NY).
Thank you very much in advance.
Conrad

> I would like to ask a few questions about my system: first of all, the cooling fan is running in my opinion too often: almost continuously, with brakes of 2-3 seconds. Is this normal?
Im an owner of a Satellite A210. Its similar to the A215. The A210 is a European model and the A215 belongs to the US notebook series.
I have noticed the same on my A210 and I think its normal behavior.
> But the curious thing is that so named "Core" temperature is oscillating from the beginning between 45deg and over 52deg! The fan starts each time the core temperature is rising over 50deg and stops when the temperature reaches 45deg. Is this behavior normal???
The CPU temperature of 40-60deg is nothing unusual.
The temperature could arise up to 70-80degrees while playing a game. So dont worry about the temperature.
The cooling modules are controlled by BIOS. The fan table is stored in the BIOS and it contains informations about temperature limits and the cooling usage.
If a certain temperature level was reached the cooling module starts to rotate with a certain speed.
Now I would like to say something about the notebooks battery life time
Generally the battery life time depends on the notebooks usage.
While playing games or watching movies the battery would discharge much faster.
Anyway, your notebook was equipped with high-performance devices and as far as I know the Vista was preinstalled on this series. Both factors (high performance devices CPU and GPU) + Vista OS need a lot of battery power. Vista needs more notebook resources as the Win XP and therefore notebooks with Vista OS run shorter on battery as the notebooks with preinstalled Win XP.
Last but not least you have to know that there are different battery models A stronger battery with higher *mA* value would help to run the notebook longer using the battery power.
Hope I could clarify this question.
Bye

Satellite C660-1MP - annoying cooling fan

Owning a Toshiba laptop C660-1MP.
My problem is the fan that comes on every 10-15 Letter, and goes out.
This is not to bear in areas where it is quiet

Hi
BIOS update might help in this case but I would also recommend settings the CPU Frequency mode: Always low This can be found in HW setup.
This are my setting proposals:
*1st Proposal:*
Cooling Method: Maxim Performance
Intel Turbo boost Technology: Enable
CPU Frequency mode: Always low
*2nd Proposal:*
Cooling Method: Battery Optimized
Intel Turbo boost Technology: Disable
CPU Frequency mode: Always high
Here you can find the single options:
<Setting Method>
Changes in Operating System:
Control Panel --> Power Options --> Change plan settings --> Change advanced power settings --> TOSHIBA Power Saver Settings --> Cooling Method
Changes in Bios (Power Management):
Intel Turbo boost Technology
Changes in Operating System:
TOSHIBA HW Setup --> CPU Frequency mode

Temperature control system using thermocouples and cooling fans

Greetings labview community,
I'm fairly new to the labview program and though I have watched the tutorial videos and tried to search these forums I couldn't find a solution to my problem.
I need to write a program in labview that controls the temperature via use of fans inside a case with heatsinks and various electronic parts.
In particular I want to use two thermocouples, in order to measure the temperature of two transistors (one in each side of the case), where heatsinks are placed on top of them.
When the temperature is above 25 degrees, a fan should activate. The fans speed should be faster, the longer the temperature stays above 25 degrees, until it drops down to 25 degrees.
How can this be done? I thought of using a "mask and limit testing" for activating it, but I can't figure out how to control the speed of the fan in a loop automatically based on the temperature.
Here are some of my specifications:
USB-6009 (this was provided to me and is therefore my only option)
Labview 2011
NIDAQmx 9.5 driver
2 thermocouples (one for measuring the temperature for each transistor and activating one fan)
2 fans 0-5V
Below you'll see an attachment of the program I've wrote so far (just for one set of thermocouple-fan) and I'm using a slider to simulate the input from the thermocouple. If there is anymore information needed, tell me.
Thank you very much.
Attachments:
Temperature sensors and fan activation.vi ‏130 KB

Hi Lomedil
What you have is a general control problem. This statement:
"The fans speed should be faster, the longer the temperature stays above 25 degrees, until it drops down to 25 degrees. "
Is an indication that you at least need a PI-controller, or you could use a PID-controller. The I in PID stands for integral and that means that the longer you have the same value different from your reference the larger the control signal will be and thereby the faster the fan will spin.
I would recommend you to have a look at the following article to learn the basic principles of control theory:
PID Control
http://zone.ni.com/devzone/cda/tut/p/id/6440
To find the coefficients in your design you can either choose to make a mathematical approximation of your test setup and then calculate the three constants Kd, Ki, Kp using this model, or you can choose to estimate the parameters on a "trial-and-error" basis until you have the desired response time / overshoot i.e.
In general you should note that designing a control application on a General Purpose O/S as Windows will not give you deterministic timing, thus your control loop can be more unstable than expected, design your controller with this in mind! For the fan operation it should not be a problem but for more advanced control purposes your would always use a Real-Time system like the singleboardRIO, compactRIO or setting up a standard PC as a LabVIEW Real-Time Target (Converting a Desktop PC to a LabVIEW Real-Time Target - http://zone.ni.com/devzone/cda/tut/p/id/2733)
Best Regards
Anders Rohde
Applications Engineer
National Instruments Denmark

Satellite L850-1KG - cooling fan runs constantly

Hello
I have the problem that constantly runs in my Nootebook the fan. How can I open the case and clean it?
I have a Satellite L850-1KG
Thank you

I don't know how old is your notebook and if dust can be reason for permanently running cooling fan but try please at first to check advanced power options. There you will find option for cooling method. Set it please to battery optimized. This should reduce cooling fan activity.
I also hope you use notebook on the desk and cooling fan/cooling grill is free.
By the way: do you use original Toshiba recovery image with original display driver?

Cooling fan runs constantly on Tecra A3

I have a Tecra A3 an my fans runs constantly, even when idleing, and it has done this since i got it (about 18 months ago). It also runs at a constant rate, and it's just like hear Arnold talk - very annoying. Sometimes one (?) of the fans stopp running for just a couple a seconds, and then it starts again, back to the same speed. I've had the computer in for repairs, and they changed the fan and cleand the cooling system, but this didn't make things better, well, okay, I got rid of the ratteling sound, but that was all!
I've tried everything i can think of, currently I'm running the computer fixed on the lowest setting for the processor speed and battery optimized cooling by the help of the Power Saver utility, but it doesn't seem to help at all. I also tried setting the processor speed to low in the BIOS setup, this made some difference, and the fan stayed of for periods of up to 30 seconds (!), bur the performance of the computers performance was horrible with these settings so I had to change it back to dynamic processor speed.
As for the the temeratures i get at temperature of about 36-37 degrees celsius (95-97 degrees Fahrenheit) for the HD temperature (using speedfan). So theres no problems with overheating (?). This leads me to believe that this might be due to a bug in the software. I'm currently using a norwegian install of Windows XP with SP2, it's a custom install, provided by my university (my computer is a student PC bought through the university).
So, can anyone help my make my computer quiet, like normal, sane computers ?!
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Hello Stigs
I use Tecra notebook (M1) for years and I can tell you that this model is really one of quietest notebooks I know but it is definitely no utterly quiet and cooling fan runs almost constantly but on slowest level. I know that it has nothing with your problem but I just want to say that quietest notebook produces noises.
Reading your posting I can just say that you are probably right when you say that it can not be because of hardware because the notebook temperature is OK and there is no sign of overheating. The fact is that all newer notebooks are louder than some old models and Tecra A3 is one of them and unfortunately there is no much to do. As far as I know nobody has reported about any software bug till now. Many bugs are fixed by BIOS updates and all I can recommend you, is to check if new BIOS version is available and see if this can help. Please before you start with BIOS update read carefully Instructions how to do this.
Good luck!

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Also has any one got the details how you could open the unit up to service the cooling fan since the machine heats up a lot and need to service it.
thanks
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Hi Janak,
Ok, lets break this answer down to two parts which hopefully will help:
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Hi,
I think I might have a problem with fan on my Satellite P100-347. It seems to be continually working at all times and is a lot louder than when I purchased the computer. Initially it used to just switch off and on when required, I think this might now be wrong.
Please help.

Hi Beata
I agree with Sanremo suggestions; its not known to me how old your notebook is but from time to time its necessary to clean the cooling fans. The dust and debris inside the notebook could prevent the cooling modules from properly working!
The properly fresh air circulation is also very important. Be sure that there is enough free space around the notebook. Do not use the notebook on the knees or in the bed. In such case the notebook cannot be cooled in the right way and the high temperature can damage some parts like GPU on the board.
But if you think there is an serious hardware problem you should contact the authorized service provider in your country.
Good luck and greetings to Poland ;)

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Hi Everyone
I was asked by a friend to repair their Satellite Pro A300, as their CPU Cooling Fan had stopped working even during POST bootup and the laptop would overheat and shutdown. So I thought it could one of three things:
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# Fan bearing has failed
# Fan power cable was loose
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Hello
Im not a technician but for me it sounds like that fan connector is malfunctioning if you have already replaced the fan and therefore it would be necessary to replace the mainboard
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It is out of Warranty now as well.

Hi
Cooling fan replacement is pretty complicated procedure. Whole notebook must be disassembled and, as you probably know, it should be done by authorized personal only.
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Hi Pinrose,
Welcome to Adobe Forums.
You can use the same subscription on 2 machines. If you want to use it on a 3rd machine you can deactivate
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