Question about BenQ Joybook S33 Notebook

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Can u help me..I need to open the bottom of my BenQ T-31 notebook to clean cpu fan. I did remove all the screws at the bottom but it still can not open.Thanks

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I need to replace a CPU fan in my Toshiba Laptop P205-S6337 because it is no working. I blew the air in to clean the fan and still no good. I bought the CPU fan and I need to know how to get in to...

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Sep 03, 2010 | Toshiba Satellite P205-S6337 Notebook


The MOST common problem with laptop (CPU) over-heating is caused by DUST/LINT...

That would be normal, as the variable speed fan comes on only when the computer is under load.

What is not normal is that the fan is not coming on when the computer overheats.Or that the fan is not cooling enough when computer is overheating.

Monitor computer temperature using a software, check if Fan is coming up when temperature gets critical.

If fan comes up but does not cool enough, then replace the fan, it is not efficient anymore because of a bad bearing or dust. ~Also ensure that fan is well mounted, if fan has poor contact with CPU surface , cooling will be poor.

If fan does not come up, and critical temp is not detected, then the sensor on motherboard is bad, this is very uncommon. When this happens the problem is usually related to system or power settiings , rather than overheating.

If fan does not come up and temp is critical, then fan is faulty, replace it.

There are also more than one fan on many laptops, check that one of the fans (CPU fan, video fan) is not completely ded, and therefore cause for the problem.

By using the software below you can also find out if the problem is really overheating. If temperature results within normal range, then usually it is not overheating.In that case test systtem and check power saving settings.

Here is the software to control your fan and temp. sensor state:

Download SpeedFan - Access temperature sensor in your computer

Download SpeedFan 4.38

SpeedFan - Free software download

on Jun 04, 2009 | Acer Aspire One Netbook 8.9" Notebook

1 Answer

Laptop won't boot turns on then off after about


Your Laptop seems to be full of dust - Maybe your CPU Heat sink FAN cannot turn because if this THUS causing your laptop to heat up and shut down again to prevent your CPU from receiving damage due to high temperature.

Close your laptop lid, then put the unit on its backlcd. Make sure you disconnect the Battery and the A/C Power chord. With the emty battery slot is facing you, take note of the screw that is facing you to the right on the bottom cover. There might be others like this in the same area. The cover that you need to remove is of rectangular shape, and the largest cover.

When you have removed it you should see the CPU Heat sink and a FAN. This is the part where you blow the unit out at that spot with compressed air so that the dirt will no longer block the heat from venting away from the laptop mainboard/cpu.Please check if the CPU FAN is still turning licenly. If it doesn't turn or very difficult - replace .

Then, remove the 3 screws from the CPU heat sink and thereby remove the HEAT sink completely. Remove the CPU Heat sink FAN and clean it as nessesary. Use a small flat to switch the CPU from closed to open and remove it. Then clean it with a cloth and ethanol - make sure you remove all dirt and old heat sink paste on top if it. make sure you do not touch the bottom of the CPU and handle the pins carefully.

When you are done, place the CPU back and reaaply a eyedrop of fresh heatsink paste onto the CPU, lock the CPU switch again. Then clean the backside of the CPU heat sink where it rests on the CPU. When you are done with that, place the CPU heat sink back onto the CPU then screw the 3 screws back onto the CPU heat sink and onto the mainboard. Keep the sequence in mind. Reconnect the CPU Heat sink FAN to power on the mainboard with the cable then place the cover back onto it. Tighten all screws again and reconnect battery and A/C Power chord.

Jun 04, 2010 | Acer TravelMate 4230 Notebook

1 Answer

Need to replace fan in IBM T41p laptop. Need to know the steps to remove the back.

CPU fan, right? The fan is actually under the keyboard. There are 4 screws at the bottom of the case, labelled with a keyboard symbol. Once unscrewed, press the top of the keyboard (where the power/volume buttons are) downwards (i.e. in towards the palmrest) to free the keyboard. Then carefully disconnect keyboard connector. Once the keyboard has been removed, you should be able to remove the cpu heatsink. The fan is attached to the heatsink, to remove it just undo the screws holding it.
Hope this helps,
Good luck,

Nov 14, 2009 | IBM ThinkPad T41p Notebook

1 Answer


there are screws at the bottom and in the screen in some places u need to remove rubber pads to access the screws

Oct 25, 2009 | Intel XTERNote MS2117 Notebook

1 Answer

Fan really loud, probably full of dust. how to take the case off?

You will need to open the case by removing the screws or thumbscrews on the back, should be anywhere from 1 to 4. Make sure you disconnect the power and discharge any static charge by pressing the power button after plug is disconnected. Once the screws are removed slide the case side panel off, or open like a **** depending on case design. Once opened you should be able to see the heatsink/fan assembly sitting on top of the cpu. You should not need to disassemble it to clean it. Just spray it out thoroughly with a can of compressed air. Once clean put the case back together and reconnect power. If the noise still persists then it could be that a bearing has burned out on the fan and it will need replaced. You can buy a fan fairly cheap to replace. Hope this helps you out.

Jul 08, 2009 | HP Pavilion dv2000z Notebook

1 Answer

Acer Aspire 1640z overheating

Clear the dust from the heatsink and fan assembly. Most laptops have vents on the bottom and outlet vents on the side or back of the laptop. The fan covers on the base are held in place by screws. The fan is usually over the CPU and is held in place with 3 or 4 spring loaded screws, remove these will allow you to remove the fan and heatsink assmbly.
If there isn't vents on the bottom of the laptop, only on the sides and back edges, then the heatsink and fan assembly is usually located under the keyboard and you need to remove the keyboard to clean/remove the dust off the heatsink/fan.
After cleaning and before re-assembly apply a thin film of heatsink compound on top of the CPU.

Feb 21, 2009 | Acer Aspire 1640Z Notebook

2 Answers

Stop moving the fan

the problem might be lots of dust inside clogging up the fan. some people have opened the computer and cleaned out the accumulated dust. the fan then began to work and cooled the computer.

Dec 15, 2008 | Computers & Internet

3 Answers

Cpu colling fan

there is usually screws under the rubber foot pads.

Jan 02, 2008 | Compaq Presario M2000 Notebook

1 Answer

Opening fan

first open your cpu cover carefully ,by opening the screws once your cpu cover is opened then carefully remove the wire of the fan connected to the motherboad then open the screws of the fan and clean it then do the same just connect your fan to the motherboad and screw it up and its over make sure that your fan is working and its over

Nov 10, 2007 | WeatherWorks CH-V18 Floor / Box Fan

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