Question about Toshiba L305-S5902 2.0GHZ 15.4 I Laptops PC Notebook

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My cpu keeps overheating... I'm running Linux, which seems to run cooler with... My cpu would overheat, default motherboard shuts down... this problem only started occuring after i ran windows 7 64 bit... im not sure if that has anything to do with it. But when i throw an extra fan underneath, it cools down and has no issues. i cant always carry a fan around on me and some have even broken down on me from wear and tear or just being plain cheap. i need my laptop to run as it did in factory condition. all does, except the fact that it hits 70 - 80F on average, it usually sits around 90, and shuts off at about 101 - 110 F... id appreciate any advice or help to fix this issue.

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It is obvious that you are "computer savvy", I like that in customer :-), what you described is common problem for laprops, you did not give me brand and model, therefore I cannot give more detailed info on the subject. MSI and Toshiba especially tend to create this problem.

Check your BIOS settings, these should be, especially in Linux, same as ACPI Linux settings, BIOS settings will override software settings.

Another very common problem is little known settings in Windows and LInux, called POWER MANAGEMENT SETTINGS.

Default settings for that in windows as well as in linux is DESKTOP. change that to PORTABLE/LAPTOP and this should solve majority of cooling problems on poratbles.

In Windows XP, Vista there are similar steps:
1. Select "Start" button
2. Control Panel
3. Power Options
4. Select "Portable/Laptop"

In Linux, I cannot help much, seem like every distribution have it's own power settings and typing all possible variables will create a book not an advice. Ubuntu have in it's last year edition bug which to save energy was throttling the fan, frying motherboard and processor on the way...

I ma advising always disable BlueTooth regardless of Operating system if not in use, can use up to 20% of power. It is a radio, it is broadcasting all the time.

Please read and this sites:
http://www.linuxpowertop.org/index.php
http://tuxmobil.org/apm_linux.html

and if you feel very masochistic, try this one as well:
http://www.gentoo.org/doc/en/power-management-guide.xml

If problem is exacerbated by software, ususally start in hardware, this usually solves hardware problem:

1. Switch off computer
2. Disconnect all calbes
3. Remove battery, if removable, remove as well hdd and cd-rom
4. Turn laptop upside down
5. With little brush (toothbrush will do) clean all grill airvents from all possible debris.
6. Blow out gently all fluff and debris, if you can access fan blades, whipe them off as well.
7. In reverse order put laptop together
8. Connect power cord and switch laptop on on power, not on battery

On my laptops I am using as a back plate very thin perforated stainless plate, it is size of the bottom of the laptop, it is about 0.7mm thick and work as a passive cooler as a charm. Advantage is that I can take it to bed with me or lie on the carpet and it still provide adequate ventilation under the laptop as little legs from laptop rest on the top of it.

Posted on Aug 07, 2010

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Shuts down unexpectingly when running game programs


Is the Laptop Overheating? During intense game play your Laptop will Overheat if it's not getting sufficient air flow. Try cleaning the Fan, vents, heatsing with Compressed Air, Improve air flow through the Laptop, a Laptop Cooler is a option. Try shutting down unnecessary processes, I use freeware RAZER GAME BOOSTER, you configure what you want to shut down: http://www.razerzone.com/gamebooster Remember, Your machine usually shuts down for a good reason, it's trying to protect vital components. Overheating will fry the CPU, Graphics Adapter, etc.

May 11, 2013 | Gateway NV73A17u Laptop

Tip

PC Overheating


Why does the PC keep shutting down whilst in operation?
If you PC keeps shutting down then it means that it is overheating and the shutting down is to prevent it from damaging itself. The optimal operating temperature of all electronics as somewhere around 21 degrees Celcius or 69.8 degrees Fahrenheit ambient air temperature.

4 Things you can do to prevent overheating.

Dust Removal - The first thing you can do to prevent overheating is to make sure your case fans as well as system fans are clear of dust as dust clogs up the flow of air therefore less cool air can reach the hot component. To do this you can use a vacuum cleaner. With a dust free PC you can expect around 10 degrees cooler in some cases, it all depends really on the operating conditions.

Invest in some case fans - Another way to prevent overheating is to invest in some good quality case fans, the sizes vary between 80mm to around 140mm, some can be even larger.

Replace thermal paste - You should always replace the thermal paste under the heatsink of your CPU every 4 to 5 years as over time it gets crusty and becomes less effective at dispersing heat. Thermal paste should be placed in a line about the size of a rice grain on top of the CPU in the centre.

Invest in a good CPU cooler - Most stock CPU coolers are able to keep temperatures at a reasonable level, but better CPU coolers can be purchased if you really want a cool CPU. These can range from Cooler Masters V-Series Air Coolers (V6, V8, V12) to liquid cooling systems by various manufactures such as DeepCool and Corsair. Remember - Most after market coolers are better than the stock cooler supplied with the CPU. For clarification it's best to have a one-on-one chat to a sales person at your local PC store.

There is a great FREE program on the Web called Hardware Monitor by CPUID. You can get it here.
slasher_x_53.jpg
Just click on the 1.17 Setup, english, as shown below circled in red, to download the program.
slasher_x_54.jpg
The Hardware monitor software monitors your systems temperatures in the background whilst you work. It shows current, minimum and maximum temps of your components such as:
- North Bridge and South Bridge motherboard temperatures.
- ACPI Power Supply temperature.
- CPU temperature.
- Graphics Card or Display Card temperature.
- Hard Drive temperature.

The diplay of these temperatures depends on the temperature nodes in your system. Newer Motherboards will have CPU, North and South Bridge temperature readings. The Hard drive readings depends on your hard driver, most SATA hard drives should have readings. Again the ACPI reading will depend on the quality of your Power Supply.

Harware Monitor also displays the fan speeds of your CPU as well as any fans directly connected to the motherboard.

With these temperatures on hand you can quickly isolate the overheating components and take action to ensure that they are kept cool.

on Nov 11, 2010 | Computers & Internet

2 Answers

My computer will keep cutting off it mainly do it when im on netflix i thinking it got somethin to do with my shockwave


Overheating When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.

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1 Answer

When I plug the unit into power, the CPU fan runs very fast but no boot, and then when I press power on the fan slows down and the PC boots normally. It shuts down in about 30 minutes with no sign of...


Sounds like you are overheating. One way to tell if it's overheating is you say it will run for about 30 minutes then shuts down. When it shuts down try rebooting to see if the boots successfully. If it fails to boot successfully right after it shut down then you are probably overheating. If you wait awhile to let it cool down for 30 minutes or so and if you reboot and it does it successfully you definitely have a overheating problem. If I remember correctly all those compaq sr series have loud and fast running fans. Computers overheat because of three reasons for the most part: 1) A fan has stopped working. 2) The Thermal Paste on the CPU and Heat Sink has dried up or is not thick enough to keep the unit cool. 3) Dust has clogged the fan vents and inside the computer. Fortunately for you desktops don't have to be completely disassembled like laptops to get to the fan, CPU and heatsink. Just pop the case and you'll see the components attached to the motherboard

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Check the CPU cooling fan. It is running, and if so, running correctly? Check the heat sink for the CPU cooler. They get clogged with dirt and cause overheating. Use canned air and blow out the heat sink to clear it of dirt and debris. DO NOT remove the CPU cooler to clean it. There is special thermal material on the heat sink to properly transfer heat. Removal will damage this and render the fan ineffective unless you have replacement materials available.

You can usually check the CPU temperature in the BIOS to ensure that the cleaning effort has worked.

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1 Answer

I have a Compaq Presario SR5505f. It seems to have an overheat issue. When the cores start running higher the fan kicks in faster and if it hold there it will shut down. I have to restart the computer...


Here are several solutions that may help with your problem. First of all the vents for this or any laptop can't be covered this will cause any laptop to overheat. Don't cover the vents also make sure your laptop is on a hard smooth surface putting your laptop on blankets, quilts or a soft surface like a sofa or bed may not allow it to breathe and cause overheating.

Second, Check your power management settings. They control CPU speed which will help with
overheating. If the computer has had the OS reinstalled make sure that the dirvers for this are
properly installed and power management is working correctly.

If using the laptop for heavy duty games and functions like video rendering for long periods of time
it may just overheat from being overworked. A laptop cooler may help. For a simple solution I've
just put a couple of pencils under my laptop to elevate it a little off the table in the back. This
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My computer suddenly dies within 1 / 4 hour


Hi. Thanks for your question.
My first guess on your case would be overheating of your motherboard which could cause "sudden dead".
To proof my guess we need to check temperature on motherboard and chips. There is a very fine and free program that can do this it is called speedfan and you can download it hear ----->http://download.cnet.com/SpeedFan/3000-2094_4-10067444.html
Once you downloaded it and installed have a look at temperatures. Are they rising up to the point when computer shuts down?. If yes it isn't all that bad. On some motherboards speedfan let's you control speed of fans :-). so you can run your PC cooler. If this is not the case with yours please check for dust in the case. Are fans clogged up? Is computer standing in the corner with no access to air? Get it unplugged and brush gently of the dust. Keep it clean and your temperatures should improve.

Hope this help. Good Luck and please do not hesitate to ask more questions if you still didn't find an answer. Thanks

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1 Answer

Acer Aspire 7520, running windows Vista, keeps overheating and shutting down. It is fairly new - less than a year old. Does not run for much more than 20 minutes before shutting off. It was purchased in...


Sounds like there is dust where the cpu fan is and its blocking the ventilation path in the laptop. If you can take apart the laptop to expose the fan, I would make sure the fan is free of debris. Clogged CPU fans will cause the laptop to overheat cause the air has nowhere to go.

If you do that and the laptop is still overheating then the motherboard is going bad unless your not using the correct charger for it. If you use a charger that puts out more voltage then whats needed then that could cause the laptop to overheat so you might need a new charger.

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2 Answers

Shut down itself


Hi i'm Rain.
If your Laptop is over heating you may need to look into a stronger type of cooling system { Fan }
But for now lets set up your power Options settings
to try to keep your CPU cool.
In power options select Power Saver.
If you see the selection to keep the fan running select it also. save and exit.
Hopefully this will help to keep your system cool until you can service it.

Nov 25, 2009 | Compaq Presario Notebook

2 Answers

System just shuts off randomly


It will do this when it senses that the fan is not working properly or that maybe a setting fo the fan is incorrect

First off. If you changedanything using any motherboard utility then change it back or reset defaults.

Second. Open the computer case and check that the fan and poer supply are not full of gunk after you have unplugged the computer.

if so then get a can of compressed air meant for cleaning computers and take it outside to blow all the gunk out whilst wearing glasses.
Dont poke the nozzle inside anything.

When you have done that check that the cooling fan for the cpu is secure to the cpu itself (dont remove unles it is loose)

Also check that the fan spins freely.

If it doesnt or feels loose then replace the cooler

Check your manual for the exact instructions but you should remove the cooler completely

DO NOT REMOVE THE CPU

Now with nothing more than isopropynol and cotton bud sticks or another alcohol based cleaner remove the old thermal grease / sticker from the top of the CPU (make sure it is clean)

At this point it is up to you but you could consider a newer better cooler
You could take your old cooler to a good computer shop show them it and just ask for a better one

If you are using your original cooler then here we go
Do the same with the underside of the cooler.
While the cooler is off it may be worth giving it a good 8low job
.
Now apply some new thermal grease (most computer shops have it)
Be careful about how much you put on
Here are some basic instructions
Once you have re-assembled your cooler and re-connected it check everything is OK and power up the computer.

If everything went to plan you should now be back in business.

Another consideration is that many cases have places in them for extra fans and usually extra connections on the motherboard too.
They are quick and easy to fit.

Quite often I will fit TWO in what is called a push/pull configuration. One pulls cool air in while the other pushes hot air out

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