Question about IBM ThinkPad R40 2681

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I keep getting this message 'thermal sensing error' when I switch on my thinkpad, what does this mean?

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I am having a fit, my Lenova think pad edge e531 showed a message "thermal sensing error". This computer was purchased Oct.10, 2013. What do you think I should do??

Have a look at this page about replacing the fan.

Thermal fan assembly removal and installation ThinkPad Edge E531 Lenovo...

Also the service manual which says the solution is to " Replace the system board."

Replacing the board is the most expensive as it is the whole computer. It could also mean that it has a loose connection!

Feb 28, 2015 | Edge Computers & Internet

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What causes a thermal sensing erro on ibm t43

A Thermal error on the T43 usually indicates a problem with overheating. This can be caused by many reasons:
1. Dirt build up on fan or fan louvres causing fan to turn slowly and not being able to cool the system properly.
2. Blocking of air inlets to the laptop. Do not use on your lap, or on soft surfaces such as blankets, bedsheets, etc.

If you feel a lot of heat from the air out of the laptop, then the system is over heating.

You can run fan diagnostics as follows:
1. Turn on the computer and check the air turbulence at the louver near the PC Card slot.
2. Run Diagnostics --> ThinkPad Devices
--> Fan.

Here is the T43 maintenance manual to see how to check and or replace the fan.

May 08, 2014 | IBM ThinkPad T43 Notebook

1 Answer

How do i solve thermal sensing erro on ibm t43

See my answer here:

May 08, 2014 | IBM ThinkPad R30 2656 Notebook

1 Answer

Think pad edge e531 thermal sensing error

Sorry but the only solution is to replace the motherboard. Check lenovo site

as your warranty may still be in effect and the cost free. Otherwise, they are around $200 and you will also need a boot thumb drive to set up the new mobo with serial and model number.

Feb 17, 2014 | Lenovo ThinkPad Edge E531 Laptop

1 Answer

Keep getting message

Remove HeatSink. Clean dust and lint from heat transfer grill. Clean dust from Fan. Clean old Heatsink grease from CPU and video chip and replace with new high quality Heatsink grease. Replace Heatsink taking care to tighten screws in order noted on Heatsink spring. Close all covers and start laptop.

Jun 15, 2013 | IBM / Lenovo ThinkPad T43p, Type 2668,...

1 Answer

Lenovo ThinkPad X61 got "thermal sensing error" when it boot up

OverheatingWhen the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith 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 surethe vents are clear and dust free. Use a small brush and can of compressed airto do this.

Aug 04, 2012 | IBM Lenovo ThinkPad X61 Notebook

1 Answer

Thermal sensor error

Chcek for a service manual.

Sep 15, 2009 | IBM ThinkPad R40 2681

1 Answer

Thermal Sensing error

"Thermal sensor error" just means "Broken fan".

Jan 11, 2009 | IBM ThinkPad R40 2681

2 Answers

I keep getting this message "thermal sensing error"

That same thing happened to me this morning and when i did my research I notice it only happens to Lenovo brand Laptops. You need to get a new CPU. I was horrifed to know that because it's not my laptop.

Jan 11, 2009 | IBM ThinkPad R40 2681

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