Question about Toshiba Satellite 1805-S274 Notebook
The problem may be related to a capacitor called NEC/TOKIN Proadlizer which loses its capacitance with time and causes such issues when AC is plugged in. One needs to replace this cap as shown here: http://gs138.photobucket.com/groups/q251/S1BXDWUERU/
Posted on Aug 11, 2012
Make sure that there is good air flow all around the laptop, including the bottom. By resting it in your lap, you may be constricting the air flow. This is one of the reasons why laptops are now called notebooks! They really don't work well on your lap. When I use my notebook, I make sure that the fans have a clear path so that I don't have this problem. Try that and see if it works. You could also use a notebook cooler. They run about 20.00, depending on the type and size.
Posted on Feb 03, 2009
Yes, it could be, but it could also be that your heatsink that sits on top of the processor has come loose, therfore it cannot transfer the heat to all the little blades for the fan to blow on to keep the processor cool. So, the processor overheats, making the computer shutdown automatically to prevent from destroying your processor.
This is a safety feature that most computers have, however, if your processor keeps overheating over and over, you could destroy it, so for right now, the best thing to do if you have to use your laptop is to stay away from programs that use the processor alot, like games, and video players or editors.
Posted on Mar 10, 2009
turn it off turn it over and clean the fan on the bottom. I use a Satellite a25. I have used air to blow out the cooling coils a nunber of times. Toshiba has picuten in the owners manual on how to remove the fan for cleaning. it picks up dust from the work area and does not blow it clear. this cause it to over heat most likely
Posted on Dec 21, 2008
you need to check a few things... when the fan/heatsink assembly were replaced, did you make sure that the thermal pads on the CPU and GPU are NEW/Good.... Make sure that the Heatsink GPU pad Firmly sits in the chip....
You can test the thermal controller by using a hair dryer or heat gun.... Point it onto the heatsink pipes and see if your fan spins when the pipes get hot, then remove and see if the fans slow after a minute...
You might have faulty RAM or Misseated RAM... Pull The RAM chips and reseat them...
Also Make Sure Your CPU Is Locked Down....
Periodic Shut Downs Can Be Caused By Quite A Few Different Things...
Typically it's due to Thermal Damage
Though Failing RAM or A Failing Hard Drive, Overheated Video/GPU Chip, Or Even Failing CPU can as Well Cause This Issue...
Posted on Nov 16, 2009
SOURCE: My Toshiba Satellite A665-S6070
When the CPU in the computer or laptopoverheats then it will shut down (i.e. thermal overload) and won't boot upagain until it has cooled down. If this is the problem is not fixed then theCPU will eventually fail.
A faulty fan causes this 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 withdust the remove the dust and make sure the vents are clear and dust free. Use acan of compressed air to do this.
Posted on Aug 10, 2011
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