As you have stated that you have no power this means that the CPU is overheating and is unable to complete the function of opening the operating system if you can feel the large fan that circulates air throughout the laptop you can generally say that the power is reaching the mother board but the CPU is getting to hot to function therefore i would sagest that you see about getting a heat seek fan for your laptop if you take it to a reputable computer store they may replace it for you and double check it for you
Hope this solves your problem Paddy
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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.
Typically, normal temperature is over 100 degrees. There have been reports of fires starting as the result of a overheated PC. I am not making the claim, I have not had this experience.
Heat is the enemy of delicate computer parts. They call them Lap Tops but you should never use one on your lap. Always place your lap top on a hard surface to insure the vents are not blocked and the internal fan can try to do its job. If you are concerned about the heat, you can get a 'cool pad' to use under your lap top. A cool pad has a fan which blows onto your lap top to keep it cool. The cool pad gets its power from a USB in your laptop. This cool pad should not be used for long periods of time on battery power for obvious reasons.
Hi. I suggest you try pressing the power button to wake it up or you could also try power draining it and turting it on. To powerdrain your computer you must remove first the battery and unplug the ac adapter then press and hold the power button for 20 seconds, after that you must place back the battery and plugin the ac adapter then turn on your computer. Hope This Helps
If the fan is spinning quite fast then the overheating problem is most likely dust clogging the fan and heat-sink assembly. Blasting air into the fan and heat-sink can only make it worst as you are forcing the dust further into the heat-sink fins.
Remove the panels covering the vent and fan/heat-sink, loosen the dust and vacuum to remove this dust off the fan and heat-sink. Check the fan to see if it spins freely, if not replace the fan.
After re-assembling and boot up, if you still have heating problems, addition cooling can be employed by purchasing a laptop fan assisted cooling pad. Place the laptop on top of this pad and the fans on the pad will direct additional cooling air to the laptop's vents.
You didn't mention if you had a laptop or a desktop. But on a laptop there is a small fan on the power supply that cools the CPU and all inside. The laptop must always be used on a flat surface like a table to ensure the air is circulating properly. Putting it on your lap or on your bed will cause it to heat more than usual. Yes they do get hot, the tempature is monitored by your BIOS and will automatically shut down if it gets too hot, this is to save the CPU from being damaged. As long as things are working properly then you are ok.
This is unfortunately, not an uncommon problem. Modern processors dissipate way too much heat in a small area, one of the prices of ever more dense packing of circuits in the quest for more speed and processing power.