Just yesterday I had to repair a similar problem on Toshiba Satellite A This was a really helpful guide, thank you. Thanks for the great site! It was under warrenty then and I could have told them to replace the fan for good measure. To change the cooling method go to:

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Changes to some of the settings will require re-starting the computer. Judy, I am not an expert but when you took apart the toshiba 1400 s151 and unhooked the display cable there was another toshlba wire secured by a screw.

Should I trhow toshiba 1400 s151 away already?? When I spoke to the Toshiba rep he indicated the problem was with the motherboard but all the symptoms point to overheating though it could be a faulty SMBIOS on the board. Just keep fans and heatsink clean all the time.

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At worst right now it is only annoying. 1400 try to start the laptop in Safe Mode to load only basic Windows files. Recently, it started shutting itself down or freezing with a white screen again. If the Toshiba Hardware utility is not present, try the F2 key method toshiba 1400 s151 the Esc key method see below.

Thank you so much, especially for the instruction for dismantling A If onboard memory is bad, the entire system board must be replaced. It could be a dead memory, dead CPU or something else. One of toshiba 1400 s151 customers has a toshiba 1400 s151 and she brings her laptop for cleaning every three-four months. A clogged heatsink was definitely a problem, but apparently there is something else to it. It had a overheating issue. Thank you very much for a great webpage!!!

I tried resoldering but the problem remained. There is a constant tkshiba and grinding sound when I switch on the PC.

It is possible that your laptop is infected toshiba 1400 s151 a virus. Again, hard shutdown with no warning. As soon as it gets to desktop it shuts down. If you set it up to a maximum performance, the cooling fan works on a higher speed and makes a better job cooling the CPU.

Usually the keyboard comes back but not the touchpad. To all fellow Toshiba sufferers, make sure that Toshiba has your contact information by calling their warranty department at What can be the reason of toshibx problems? Can you please provide detailed instructions with picture.

I already cleaned toshiba 1400 s151 heatsink and the fan and assembled toshiba 1400 s151 the laptop.

Toshiba suddenly shuts down by itself | Laptop Repair

You will need new thermal grease to re-attach to heat sink. When you turn on the laptop, toshiba 1400 s151 the fan start spinning? Thanks for the ideas. When you blow compressed air inside the fans opening on the bottom, it will go through the heatsink and should clean it.

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In this model the battery connects directly to the systemboard, the power switch is located on the systemboard and the memory is integrated into the system board. My computer is getting overheated and I am not able to toshiba 1400 s151 any movie files as the computer automatical shuts down.

It is not necessary to remove the heatsink to clean it, just use compressed air toshib blow off the dust from the heatsink. I asked other technicians if the performance would be reduced if you use only one wire, and nobody can give toshiba 1400 s151 a straight answer.

If the heatsink is clogged, the CPU will overheat. May be you plugged in only one of them?